From 2b6960a63a0f6dd01c09e86cf040e706b044292e Mon Sep 17 00:00:00 2001
From: Matteo Spinelli <matteo@cubiq.org>
Date: Mon, 10 Jun 2013 14:05:03 +0200
Subject: [PATCH] fix various snap errors, fix #377

---
 README.md                  |   2 +
 build/iscroll-lite.js      |  20 +++--
 build/iscroll-probe.js     |  60 ++++++++++---
 build/iscroll-zoom.js      |  60 ++++++++++---
 build/iscroll.js           |  60 ++++++++++---
 demos/2d-scroll/index.html |   2 +-
 demos/carousel/index.html  |   3 +-
 demos/minimap/index.html   |   2 +-
 demos/snap/index.html      | 172 +++++++++++++++++++++++++------------
 dist/iscroll-lite-min.js   |   4 +-
 dist/iscroll-min.js        |   4 +-
 dist/iscroll-probe-min.js  |   4 +-
 dist/iscroll-zoom-min.js   |   4 +-
 package.json               |   2 +-
 src/core.js                |  16 +++-
 src/snap/snap.js           |  40 +++++++--
 16 files changed, 326 insertions(+), 129 deletions(-)

diff --git a/README.md b/README.md
index 90e39bf2..928c0eaf 100644
--- a/README.md
+++ b/README.md
@@ -9,3 +9,5 @@ iScroll comes with a custom build system. The required nodejs packages are inclu
 	./build.js dist
 
 The compiled scripts will be saved in the /build and /dist directories.
+
+Script released under the MIT license.
\ No newline at end of file
diff --git a/build/iscroll-lite.js b/build/iscroll-lite.js
index 93d93b7c..6d0055a4 100644
--- a/build/iscroll-lite.js
+++ b/build/iscroll-lite.js
@@ -1,4 +1,4 @@
-/*! iScroll v5.0.0-beta.1 ~ (c) 2008-2013 Matteo Spinelli ~ http://cubiq.org/license */
+/*! iScroll v5.0.0-beta.2 ~ (c) 2008-2013 Matteo Spinelli ~ http://cubiq.org/license */
 var IScroll = (function (window, document, Math) {
 
 var rAF = window.requestAnimationFrame	||
@@ -235,7 +235,6 @@ function IScroll (el, options) {
 		startX: 0,
 		startY: 0,
 		scrollY: true,
-		lockDirection: true,
 		directionLockThreshold: 5,
 		momentum: true,
 
@@ -268,7 +267,7 @@ function IScroll (el, options) {
 	this.options.scrollX = this.options.eventPassthrough == 'horizontal' ? false : this.options.scrollX;
 
 	// With eventPassthrough we also need lockDirection mechanism
-	this.options.lockDirection = this.options.lockDirection || this.options.eventPassthrough;
+	this.options.freeScroll = this.options.freeScroll && !this.options.eventPassthrough;
 	this.options.directionLockThreshold = this.options.eventPassthrough ? 0 : this.options.directionLockThreshold;
 
 	this.options.bounceEasing = typeof this.options.bounceEasing == 'string' ? utils.ease[this.options.bounceEasing] || utils.ease.circular : this.options.bounceEasing;
@@ -294,7 +293,7 @@ function IScroll (el, options) {
 }
 
 IScroll.prototype = {
-	version: '5.0.0-beta.1',
+	version: '5.0.0-beta.2',
 
 	_init: function () {
 		this._initEvents();
@@ -392,13 +391,13 @@ IScroll.prototype = {
 		}
 
 		// If you are scrolling in one direction lock the other
-		if ( !this.directionLocked && this.options.lockDirection ) {
+		if ( !this.directionLocked && !this.options.freeScroll ) {
 			if ( absDistX > absDistY + this.options.directionLockThreshold ) {
 				this.directionLocked = 'h';		// lock horizontally
 			} else if ( absDistY >= absDistX + this.options.directionLockThreshold ) {
 				this.directionLocked = 'v';		// lock vertically
 			} else {
-				this.directionLocked = 0;		// no lock
+				this.directionLocked = 'n';		// no lock
 			}
 		}
 
@@ -470,6 +469,8 @@ IScroll.prototype = {
 			time = 0,
 			easing = '';
 
+		this.scrollTo(newX, newY);	// ensures that the last position is rounded
+
 		this.isInTransition = 0;
 		this.initiated = 0;
 		this.endTime = utils.getTime();
@@ -563,6 +564,13 @@ IScroll.prototype = {
 			y = this.maxScrollY;
 		}
 
+		if ( this.options.snap ) {
+			var snap = this._nearestSnap(x, y);
+			this.currentPage = snap;
+			x = snap.x;
+			y = snap.y;
+		}
+
 		this.scrollTo(x, y, time, this.options.bounceEasing);
 
 		return true;
diff --git a/build/iscroll-probe.js b/build/iscroll-probe.js
index 92b9d72a..ceccae6e 100644
--- a/build/iscroll-probe.js
+++ b/build/iscroll-probe.js
@@ -1,4 +1,4 @@
-/*! iScroll v5.0.0-beta.1 ~ (c) 2008-2013 Matteo Spinelli ~ http://cubiq.org/license */
+/*! iScroll v5.0.0-beta.2 ~ (c) 2008-2013 Matteo Spinelli ~ http://cubiq.org/license */
 var IScroll = (function (window, document, Math) {
 
 var rAF = window.requestAnimationFrame	||
@@ -239,7 +239,6 @@ function IScroll (el, options) {
 		startX: 0,
 		startY: 0,
 		scrollY: true,
-		lockDirection: true,
 		directionLockThreshold: 5,
 		momentum: true,
 
@@ -272,7 +271,7 @@ function IScroll (el, options) {
 	this.options.scrollX = this.options.eventPassthrough == 'horizontal' ? false : this.options.scrollX;
 
 	// With eventPassthrough we also need lockDirection mechanism
-	this.options.lockDirection = this.options.lockDirection || this.options.eventPassthrough;
+	this.options.freeScroll = this.options.freeScroll && !this.options.eventPassthrough;
 	this.options.directionLockThreshold = this.options.eventPassthrough ? 0 : this.options.directionLockThreshold;
 
 	this.options.bounceEasing = typeof this.options.bounceEasing == 'string' ? utils.ease[this.options.bounceEasing] || utils.ease.circular : this.options.bounceEasing;
@@ -303,7 +302,7 @@ function IScroll (el, options) {
 }
 
 IScroll.prototype = {
-	version: '5.0.0-beta.1',
+	version: '5.0.0-beta.2',
 
 	_init: function () {
 		this._initEvents();
@@ -417,13 +416,13 @@ IScroll.prototype = {
 		}
 
 		// If you are scrolling in one direction lock the other
-		if ( !this.directionLocked && this.options.lockDirection ) {
+		if ( !this.directionLocked && !this.options.freeScroll ) {
 			if ( absDistX > absDistY + this.options.directionLockThreshold ) {
 				this.directionLocked = 'h';		// lock horizontally
 			} else if ( absDistY >= absDistX + this.options.directionLockThreshold ) {
 				this.directionLocked = 'v';		// lock vertically
 			} else {
-				this.directionLocked = 0;		// no lock
+				this.directionLocked = 'n';		// no lock
 			}
 		}
 
@@ -501,6 +500,8 @@ IScroll.prototype = {
 			time = 0,
 			easing = '';
 
+		this.scrollTo(newX, newY);	// ensures that the last position is rounded
+
 		this.isInTransition = 0;
 		this.initiated = 0;
 		this.endTime = utils.getTime();
@@ -594,6 +595,13 @@ IScroll.prototype = {
 			y = this.maxScrollY;
 		}
 
+		if ( this.options.snap ) {
+			var snap = this._nearestSnap(x, y);
+			this.currentPage = snap;
+			x = snap.x;
+			y = snap.y;
+		}
+
 		this.scrollTo(x, y, time, this.options.bounceEasing);
 
 		return true;
@@ -966,6 +974,10 @@ IScroll.prototype = {
 		this.pages = [];
 		this.currentPage = {};
 
+		if ( typeof this.options.snap == 'string' ) {
+			this.options.snap = this.scroller.querySelectorAll(this.options.snap);
+		}
+
 		this.on('refresh', function () {
 			var i = 0, l,
 				m = 0, n,
@@ -979,12 +991,12 @@ IScroll.prototype = {
 				cx = Math.round( stepX / 2 );
 				cy = Math.round( stepY / 2 );
 
-				while ( x >= -this.scrollerWidth ) {
+				while ( x > -this.scrollerWidth ) {
 					this.pages[i] = [];
 					l = 0;
 					y = 0;
 
-					while ( y >= -this.scrollerHeight ) {
+					while ( y > -this.scrollerHeight ) {
 						this.pages[i][l] = {
 							x: Math.max(x, this.maxScrollX),
 							y: Math.max(y, this.maxScrollY),
@@ -1005,7 +1017,7 @@ IScroll.prototype = {
 				n = -1;
 
 				for ( ; i < l; i++ ) {
-					if ( el[i].offsetLeft === 0 ) {
+					if ( i === 0 || el[i].offsetLeft < el[i-1].offsetLeft ) {
 						m = 0;
 						n++;
 					}
@@ -1050,6 +1062,18 @@ IScroll.prototype = {
 			return this.currentPage;
 		}
 
+		if ( x > 0 ) {
+			x = 0;
+		} else if ( x < this.maxScrollX ) {
+			x = this.maxScrollX;
+		}
+
+		if ( y > 0 ) {
+			y = 0;
+		} else if ( y < this.maxScrollY ) {
+			y = this.maxScrollY;
+		}
+
 		for ( ; i < l; i++ ) {
 			if ( x >= this.pages[i][0].cx ) {
 				x = this.pages[i][0].x;
@@ -1101,7 +1125,7 @@ IScroll.prototype = {
 	goToPage: function (x, y, time, easing) {
 		if ( x >= this.pages.length ) {
 			x = this.pages.length - 1;
-		} else if ( x < 0) {
+		} else if ( x < 0 ) {
 			x = 0;
 		}
 
@@ -1135,8 +1159,12 @@ IScroll.prototype = {
 		var x = this.currentPage.pageX,
 			y = this.currentPage.pageY;
 
-		x += this.hasHorizontalScroll ? 1 : 0;
-		y += this.hasVericalScroll ? 1 : 0;
+		x++;
+
+		if ( x >= this.pages.length && this.hasVericalScroll ) {
+			x = 0;
+			y++;
+		}
 
 		this.goToPage(x, y, time, easing);
 	},
@@ -1145,8 +1173,12 @@ IScroll.prototype = {
 		var x = this.currentPage.pageX,
 			y = this.currentPage.pageY;
 
-		x -= this.hasHorizontalScroll ? 1 : 0;
-		y -= this.hasVericalScroll ? 1 : 0;
+		x--;
+
+		if ( x < 0 && this.hasVericalScroll ) {
+			x = 0;
+			y--;
+		}
 
 		this.goToPage(x, y, time, easing);
 	},
diff --git a/build/iscroll-zoom.js b/build/iscroll-zoom.js
index 8e9639fe..70678345 100644
--- a/build/iscroll-zoom.js
+++ b/build/iscroll-zoom.js
@@ -1,4 +1,4 @@
-/*! iScroll v5.0.0-beta.1 ~ (c) 2008-2013 Matteo Spinelli ~ http://cubiq.org/license */
+/*! iScroll v5.0.0-beta.2 ~ (c) 2008-2013 Matteo Spinelli ~ http://cubiq.org/license */
 var IScroll = (function (window, document, Math) {
 
 var rAF = window.requestAnimationFrame	||
@@ -242,7 +242,6 @@ function IScroll (el, options) {
 		startX: 0,
 		startY: 0,
 		scrollY: true,
-		lockDirection: true,
 		directionLockThreshold: 5,
 		momentum: true,
 
@@ -275,7 +274,7 @@ function IScroll (el, options) {
 	this.options.scrollX = this.options.eventPassthrough == 'horizontal' ? false : this.options.scrollX;
 
 	// With eventPassthrough we also need lockDirection mechanism
-	this.options.lockDirection = this.options.lockDirection || this.options.eventPassthrough;
+	this.options.freeScroll = this.options.freeScroll && !this.options.eventPassthrough;
 	this.options.directionLockThreshold = this.options.eventPassthrough ? 0 : this.options.directionLockThreshold;
 
 	this.options.bounceEasing = typeof this.options.bounceEasing == 'string' ? utils.ease[this.options.bounceEasing] || utils.ease.circular : this.options.bounceEasing;
@@ -305,7 +304,7 @@ function IScroll (el, options) {
 }
 
 IScroll.prototype = {
-	version: '5.0.0-beta.1',
+	version: '5.0.0-beta.2',
 
 	_init: function () {
 		this._initEvents();
@@ -423,13 +422,13 @@ IScroll.prototype = {
 		}
 
 		// If you are scrolling in one direction lock the other
-		if ( !this.directionLocked && this.options.lockDirection ) {
+		if ( !this.directionLocked && !this.options.freeScroll ) {
 			if ( absDistX > absDistY + this.options.directionLockThreshold ) {
 				this.directionLocked = 'h';		// lock horizontally
 			} else if ( absDistY >= absDistX + this.options.directionLockThreshold ) {
 				this.directionLocked = 'v';		// lock vertically
 			} else {
-				this.directionLocked = 0;		// no lock
+				this.directionLocked = 'n';		// no lock
 			}
 		}
 
@@ -501,6 +500,8 @@ IScroll.prototype = {
 			time = 0,
 			easing = '';
 
+		this.scrollTo(newX, newY);	// ensures that the last position is rounded
+
 		this.isInTransition = 0;
 		this.initiated = 0;
 		this.endTime = utils.getTime();
@@ -594,6 +595,13 @@ IScroll.prototype = {
 			y = this.maxScrollY;
 		}
 
+		if ( this.options.snap ) {
+			var snap = this._nearestSnap(x, y);
+			this.currentPage = snap;
+			x = snap.x;
+			y = snap.y;
+		}
+
 		this.scrollTo(x, y, time, this.options.bounceEasing);
 
 		return true;
@@ -1117,6 +1125,10 @@ IScroll.prototype = {
 		this.pages = [];
 		this.currentPage = {};
 
+		if ( typeof this.options.snap == 'string' ) {
+			this.options.snap = this.scroller.querySelectorAll(this.options.snap);
+		}
+
 		this.on('refresh', function () {
 			var i = 0, l,
 				m = 0, n,
@@ -1130,12 +1142,12 @@ IScroll.prototype = {
 				cx = Math.round( stepX / 2 );
 				cy = Math.round( stepY / 2 );
 
-				while ( x >= -this.scrollerWidth ) {
+				while ( x > -this.scrollerWidth ) {
 					this.pages[i] = [];
 					l = 0;
 					y = 0;
 
-					while ( y >= -this.scrollerHeight ) {
+					while ( y > -this.scrollerHeight ) {
 						this.pages[i][l] = {
 							x: Math.max(x, this.maxScrollX),
 							y: Math.max(y, this.maxScrollY),
@@ -1156,7 +1168,7 @@ IScroll.prototype = {
 				n = -1;
 
 				for ( ; i < l; i++ ) {
-					if ( el[i].offsetLeft === 0 ) {
+					if ( i === 0 || el[i].offsetLeft < el[i-1].offsetLeft ) {
 						m = 0;
 						n++;
 					}
@@ -1201,6 +1213,18 @@ IScroll.prototype = {
 			return this.currentPage;
 		}
 
+		if ( x > 0 ) {
+			x = 0;
+		} else if ( x < this.maxScrollX ) {
+			x = this.maxScrollX;
+		}
+
+		if ( y > 0 ) {
+			y = 0;
+		} else if ( y < this.maxScrollY ) {
+			y = this.maxScrollY;
+		}
+
 		for ( ; i < l; i++ ) {
 			if ( x >= this.pages[i][0].cx ) {
 				x = this.pages[i][0].x;
@@ -1252,7 +1276,7 @@ IScroll.prototype = {
 	goToPage: function (x, y, time, easing) {
 		if ( x >= this.pages.length ) {
 			x = this.pages.length - 1;
-		} else if ( x < 0) {
+		} else if ( x < 0 ) {
 			x = 0;
 		}
 
@@ -1286,8 +1310,12 @@ IScroll.prototype = {
 		var x = this.currentPage.pageX,
 			y = this.currentPage.pageY;
 
-		x += this.hasHorizontalScroll ? 1 : 0;
-		y += this.hasVericalScroll ? 1 : 0;
+		x++;
+
+		if ( x >= this.pages.length && this.hasVericalScroll ) {
+			x = 0;
+			y++;
+		}
 
 		this.goToPage(x, y, time, easing);
 	},
@@ -1296,8 +1324,12 @@ IScroll.prototype = {
 		var x = this.currentPage.pageX,
 			y = this.currentPage.pageY;
 
-		x -= this.hasHorizontalScroll ? 1 : 0;
-		y -= this.hasVericalScroll ? 1 : 0;
+		x--;
+
+		if ( x < 0 && this.hasVericalScroll ) {
+			x = 0;
+			y--;
+		}
 
 		this.goToPage(x, y, time, easing);
 	},
diff --git a/build/iscroll.js b/build/iscroll.js
index b22520bf..f24bd1e4 100644
--- a/build/iscroll.js
+++ b/build/iscroll.js
@@ -1,4 +1,4 @@
-/*! iScroll v5.0.0-beta.1 ~ (c) 2008-2013 Matteo Spinelli ~ http://cubiq.org/license */
+/*! iScroll v5.0.0-beta.2 ~ (c) 2008-2013 Matteo Spinelli ~ http://cubiq.org/license */
 var IScroll = (function (window, document, Math) {
 
 var rAF = window.requestAnimationFrame	||
@@ -239,7 +239,6 @@ function IScroll (el, options) {
 		startX: 0,
 		startY: 0,
 		scrollY: true,
-		lockDirection: true,
 		directionLockThreshold: 5,
 		momentum: true,
 
@@ -272,7 +271,7 @@ function IScroll (el, options) {
 	this.options.scrollX = this.options.eventPassthrough == 'horizontal' ? false : this.options.scrollX;
 
 	// With eventPassthrough we also need lockDirection mechanism
-	this.options.lockDirection = this.options.lockDirection || this.options.eventPassthrough;
+	this.options.freeScroll = this.options.freeScroll && !this.options.eventPassthrough;
 	this.options.directionLockThreshold = this.options.eventPassthrough ? 0 : this.options.directionLockThreshold;
 
 	this.options.bounceEasing = typeof this.options.bounceEasing == 'string' ? utils.ease[this.options.bounceEasing] || utils.ease.circular : this.options.bounceEasing;
@@ -300,7 +299,7 @@ function IScroll (el, options) {
 }
 
 IScroll.prototype = {
-	version: '5.0.0-beta.1',
+	version: '5.0.0-beta.2',
 
 	_init: function () {
 		this._initEvents();
@@ -414,13 +413,13 @@ IScroll.prototype = {
 		}
 
 		// If you are scrolling in one direction lock the other
-		if ( !this.directionLocked && this.options.lockDirection ) {
+		if ( !this.directionLocked && !this.options.freeScroll ) {
 			if ( absDistX > absDistY + this.options.directionLockThreshold ) {
 				this.directionLocked = 'h';		// lock horizontally
 			} else if ( absDistY >= absDistX + this.options.directionLockThreshold ) {
 				this.directionLocked = 'v';		// lock vertically
 			} else {
-				this.directionLocked = 0;		// no lock
+				this.directionLocked = 'n';		// no lock
 			}
 		}
 
@@ -492,6 +491,8 @@ IScroll.prototype = {
 			time = 0,
 			easing = '';
 
+		this.scrollTo(newX, newY);	// ensures that the last position is rounded
+
 		this.isInTransition = 0;
 		this.initiated = 0;
 		this.endTime = utils.getTime();
@@ -585,6 +586,13 @@ IScroll.prototype = {
 			y = this.maxScrollY;
 		}
 
+		if ( this.options.snap ) {
+			var snap = this._nearestSnap(x, y);
+			this.currentPage = snap;
+			x = snap.x;
+			y = snap.y;
+		}
+
 		this.scrollTo(x, y, time, this.options.bounceEasing);
 
 		return true;
@@ -953,6 +961,10 @@ IScroll.prototype = {
 		this.pages = [];
 		this.currentPage = {};
 
+		if ( typeof this.options.snap == 'string' ) {
+			this.options.snap = this.scroller.querySelectorAll(this.options.snap);
+		}
+
 		this.on('refresh', function () {
 			var i = 0, l,
 				m = 0, n,
@@ -966,12 +978,12 @@ IScroll.prototype = {
 				cx = Math.round( stepX / 2 );
 				cy = Math.round( stepY / 2 );
 
-				while ( x >= -this.scrollerWidth ) {
+				while ( x > -this.scrollerWidth ) {
 					this.pages[i] = [];
 					l = 0;
 					y = 0;
 
-					while ( y >= -this.scrollerHeight ) {
+					while ( y > -this.scrollerHeight ) {
 						this.pages[i][l] = {
 							x: Math.max(x, this.maxScrollX),
 							y: Math.max(y, this.maxScrollY),
@@ -992,7 +1004,7 @@ IScroll.prototype = {
 				n = -1;
 
 				for ( ; i < l; i++ ) {
-					if ( el[i].offsetLeft === 0 ) {
+					if ( i === 0 || el[i].offsetLeft < el[i-1].offsetLeft ) {
 						m = 0;
 						n++;
 					}
@@ -1037,6 +1049,18 @@ IScroll.prototype = {
 			return this.currentPage;
 		}
 
+		if ( x > 0 ) {
+			x = 0;
+		} else if ( x < this.maxScrollX ) {
+			x = this.maxScrollX;
+		}
+
+		if ( y > 0 ) {
+			y = 0;
+		} else if ( y < this.maxScrollY ) {
+			y = this.maxScrollY;
+		}
+
 		for ( ; i < l; i++ ) {
 			if ( x >= this.pages[i][0].cx ) {
 				x = this.pages[i][0].x;
@@ -1088,7 +1112,7 @@ IScroll.prototype = {
 	goToPage: function (x, y, time, easing) {
 		if ( x >= this.pages.length ) {
 			x = this.pages.length - 1;
-		} else if ( x < 0) {
+		} else if ( x < 0 ) {
 			x = 0;
 		}
 
@@ -1122,8 +1146,12 @@ IScroll.prototype = {
 		var x = this.currentPage.pageX,
 			y = this.currentPage.pageY;
 
-		x += this.hasHorizontalScroll ? 1 : 0;
-		y += this.hasVericalScroll ? 1 : 0;
+		x++;
+
+		if ( x >= this.pages.length && this.hasVericalScroll ) {
+			x = 0;
+			y++;
+		}
 
 		this.goToPage(x, y, time, easing);
 	},
@@ -1132,8 +1160,12 @@ IScroll.prototype = {
 		var x = this.currentPage.pageX,
 			y = this.currentPage.pageY;
 
-		x -= this.hasHorizontalScroll ? 1 : 0;
-		y -= this.hasVericalScroll ? 1 : 0;
+		x--;
+
+		if ( x < 0 && this.hasVericalScroll ) {
+			x = 0;
+			y--;
+		}
 
 		this.goToPage(x, y, time, easing);
 	},
diff --git a/demos/2d-scroll/index.html b/demos/2d-scroll/index.html
index ea845978..f9ad1956 100644
--- a/demos/2d-scroll/index.html
+++ b/demos/2d-scroll/index.html
@@ -13,7 +13,7 @@
 var myScroll;
 
 function loaded () {
-	myScroll = new IScroll('#wrapper', { scrollX: true, lockDirection: false });
+	myScroll = new IScroll('#wrapper', { scrollX: true, freeScroll: true });
 }
 
 document.addEventListener('touchmove', function (e) { e.preventDefault(); }, false);
diff --git a/demos/carousel/index.html b/demos/carousel/index.html
index 397e29b1..6744d305 100644
--- a/demos/carousel/index.html
+++ b/demos/carousel/index.html
@@ -17,9 +17,8 @@
 		scrollX: true,
 		scrollY: false,
 		momentum: false,
-		snap: document.querySelectorAll('#scroller .slide'),
+		snap: true,
 		snapSpeed: 400,
-		bounceEasing: 'back',
 		keyBindings: true,
 		indicators: {
 			el: document.getElementById('indicator'),
diff --git a/demos/minimap/index.html b/demos/minimap/index.html
index 27d5b95e..56552e58 100644
--- a/demos/minimap/index.html
+++ b/demos/minimap/index.html
@@ -18,7 +18,7 @@
 		startY: -85,
 		scrollY: true,
 		scrollX: true,
-		lockDirection: false,
+		freeScroll: true,
 		mouseWheel: true,
 		indicators: {
 			el: document.getElementById('minimap'),
diff --git a/demos/snap/index.html b/demos/snap/index.html
index 62143c51..b2615e0b 100644
--- a/demos/snap/index.html
+++ b/demos/snap/index.html
@@ -15,8 +15,9 @@
 function loaded () {
 	myScroll = new IScroll('#wrapper', {
 		scrollX: true,
-		scrollY: false,
+		scrollY: true,
 		momentum: false,
+		freeScroll: true,
 		snap: true
 	});
 }
@@ -90,8 +91,8 @@
 	position: absolute;
 	z-index: 1;
 	-webkit-tap-highlight-color: rgba(0,0,0,0);
-	width: 5000px;
-	height: 100%;
+	width: 2000px;
+	height: 2000px;
 	background-color: #a00;
 	-webkit-transform: translateZ(0);
 	-moz-transform: translateZ(0);
@@ -115,16 +116,16 @@
 	padding: 0;
 	margin: 0;
 	width: 100%;
-	height: 100%;
 	text-align: center;
 }
 
 #scroller li {
 	display: block;
 	float: left;
-	width: 100px;
-	height: 100%;
+	width: 200px;
+	height: 200px;
 	border-right: 1px solid #ccc;
+	border-bottom: 1px solid #ccc;
 	background-color: #fafafa;
 	font-size: 14px;
 }
@@ -137,56 +138,115 @@
 <div id="wrapper">
 	<div id="scroller">
 		<ul>
-			<li>Cell 1</li>
-			<li>Cell 2</li>
-			<li>Cell 3</li>
-			<li>Cell 4</li>
-			<li>Cell 5</li>
-			<li>Cell 6</li>
-			<li>Cell 7</li>
-			<li>Cell 8</li>
-			<li>Cell 9</li>
-			<li>Cell 10</li>
-			<li>Cell 11</li>
-			<li>Cell 12</li>
-			<li>Cell 13</li>
-			<li>Cell 14</li>
-			<li>Cell 15</li>
-			<li>Cell 16</li>
-			<li>Cell 17</li>
-			<li>Cell 18</li>
-			<li>Cell 19</li>
-			<li>Cell 20</li>
-			<li>Cell 21</li>
-			<li>Cell 22</li>
-			<li>Cell 23</li>
-			<li>Cell 24</li>
-			<li>Cell 25</li>
-			<li>Cell 26</li>
-			<li>Cell 27</li>
-			<li>Cell 28</li>
-			<li>Cell 29</li>
-			<li>Cell 30</li>
-			<li>Cell 31</li>
-			<li>Cell 32</li>
-			<li>Cell 33</li>
-			<li>Cell 34</li>
-			<li>Cell 35</li>
-			<li>Cell 36</li>
-			<li>Cell 37</li>
-			<li>Cell 38</li>
-			<li>Cell 39</li>
-			<li>Cell 40</li>
-			<li>Cell 41</li>
-			<li>Cell 42</li>
-			<li>Cell 43</li>
-			<li>Cell 44</li>
-			<li>Cell 45</li>
-			<li>Cell 46</li>
-			<li>Cell 47</li>
-			<li>Cell 48</li>
-			<li>Cell 49</li>
-			<li>Cell 50</li>
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
+			<li>Cell</li>
 		</ul>
 	</div>
 </div>
diff --git a/dist/iscroll-lite-min.js b/dist/iscroll-lite-min.js
index 5e8b0415..98c3d049 100644
--- a/dist/iscroll-lite-min.js
+++ b/dist/iscroll-lite-min.js
@@ -1,2 +1,2 @@
-/*! iScroll v5.0.0-beta.1 ~ (c) 2008-2013 Matteo Spinelli ~ http://cubiq.org/license */
-var IScroll=function(t,i,s){function n(t,s){this.wrapper="string"==typeof t?i.querySelector(t):t,this.scroller=this.wrapper.children[0],this.scrollerStyle=this.scroller.style,this.options={startX:0,startY:0,scrollY:!0,lockDirection:!0,directionLockThreshold:5,momentum:!0,bounce:!0,bounceTime:600,bounceEasing:"",preventDefault:!0,HWCompositing:!0,useTransition:!0,useTransform:!0};for(var e in s)this.options[e]=s[e];this.translateZ=this.options.HWCompositing&&r.hasPerspective?" translateZ(0)":"",this.options.useTransition=r.hasTransition&&this.options.useTransition,this.options.useTransform=r.hasTransform&&this.options.useTransform,this.options.eventPassthrough=this.options.eventPassthrough===!0?"vertical":this.options.eventPassthrough,this.options.preventDefault=!this.options.eventPassthrough&&this.options.preventDefault,this.options.scrollY="vertical"==this.options.eventPassthrough?!1:this.options.scrollY,this.options.scrollX="horizontal"==this.options.eventPassthrough?!1:this.options.scrollX,this.options.lockDirection=this.options.lockDirection||this.options.eventPassthrough,this.options.directionLockThreshold=this.options.eventPassthrough?0:this.options.directionLockThreshold,this.options.bounceEasing="string"==typeof this.options.bounceEasing?r.ease[this.options.bounceEasing]||r.ease.circular:this.options.bounceEasing,this.options.tap===!0&&(this.options.tap="tap"),this.x=0,this.y=0,this._events={},this._init(),this.refresh(),this.scrollTo(this.options.startX,this.options.startY),this.enable()}var o=t.requestAnimationFrame||t.webkitRequestAnimationFrame||t.mozRequestAnimationFrame||t.oRequestAnimationFrame||t.msRequestAnimationFrame||function(i){t.setTimeout(i,1e3/60)},r=function(){function n(t){return a===!1?!1:""===a?t:a+t.charAt(0).toUpperCase()+t.substr(1)}var o={},r=i.createElement("div").style,a=function(){for(var t,i=["t","webkitT","MozT","msT","OT"],s=0,e=i.length;e>s;s++)if(t=i[s]+"ransform",t in r)return i[s].substr(0,i[s].length-1);return!1}();o.getTime=Date.now||function(){return(new Date).getTime()},o.extend=function(t,i){for(var s in i)t[s]=i[s]},o.addEvent=function(t,i,s,e){t.addEventListener(i,s,!!e)},o.removeEvent=function(t,i,s,e){t.removeEventListener(i,s,!!e)},o.momentum=function(t,i,e,n,o){var r,a,h=t-i,c=s.abs(h)/e,l=6e-4;return r=t+c*c/(2*l)*(0>h?-1:1),a=c/l,n>r?(r=o?n-o/2.5*(c/8):n,h=s.abs(r-t),a=h/c):r>0&&(r=o?o/2.5*(c/8):0,h=s.abs(t)+r,a=h/c),{destination:s.round(r),duration:a}};var h=n("transform");return o.extend(o,{hasTransform:h!==!1,hasPerspective:n("perspective")in r,hasTouch:"ontouchstart"in t,hasPointer:navigator.msPointerEnabled,hasTransition:n("transition")in r}),o.isAndroidBrowser=/Android/.test(t.navigator.appVersion)&&/Version\/\d/.test(t.navigator.appVersion),o.extend(o.style={},{transform:h,transitionTimingFunction:n("transitionTimingFunction"),transitionDuration:n("transitionDuration"),transformOrigin:n("transformOrigin")}),o.hasClass=function(t,i){var s=new RegExp("(^|\\s)"+i+"(\\s|$)");return s.test(t.className)},o.addClass=function(t,i){if(!o.hasClass(t,i)){var s=t.className.split(" ");s.push(i),t.className=s.join(" ")}},o.removeClass=function(t,i){if(o.hasClass(t,i)){var s=new RegExp("(^|\\s)"+i+"(\\s|$)","g");t.className=t.className.replace(s,"")}},o.offset=function(t){for(var i=-t.offsetLeft,s=-t.offsetTop;t=t.offsetParent;)i-=t.offsetLeft,s-=t.offsetTop;return{left:i,top:s}},o.extend(o.eventType={},{touchstart:1,touchmove:1,touchend:1,mousedown:2,mousemove:2,mouseup:2,MSPointerDown:3,MSPointerMove:3,MSPointerUp:3}),o.extend(o.ease={},{quadratic:{style:"cubic-bezier(0.25, 0.46, 0.45, 0.94)",fn:function(t){return t*(2-t)}},circular:{style:"cubic-bezier(0.1, 0.57, 0.1, 1)",fn:function(t){return s.sqrt(1- --t*t)}},back:{style:"cubic-bezier(0.175, 0.885, 0.32, 1.275)",fn:function(t){var i=4;return(t-=1)*t*((i+1)*t+i)+1}},bounce:{style:"",fn:function(t){return(t/=1)<1/2.75?7.5625*t*t:2/2.75>t?7.5625*(t-=1.5/2.75)*t+.75:2.5/2.75>t?7.5625*(t-=2.25/2.75)*t+.9375:7.5625*(t-=2.625/2.75)*t+.984375}},elastic:{style:"",fn:function(t){return f=.22,e=.4,0===t?0:1==t?1:e*s.pow(2,-10*t)*s.sin((t-f/4)*2*s.PI/f)+1}}}),o.tap=function(t,s){var e=i.createEvent("Event");e.initEvent(s,!0,!0),e.pageX=t.pageX,e.pageY=t.pageY,t.target.dispatchEvent(e)},o.click=function(t){var s,e=t.target;"SELECT"!=e.tagName&&"INPUT"!=e.tagName&&"TEXTAREA"!=e.tagName&&(s=i.createEvent("MouseEvents"),s.initMouseEvent("click",!0,!0,t.view,1,e.screenX,e.screenY,e.clientX,e.clientY,t.ctrlKey,t.altKey,t.shiftKey,t.metaKey,0,null),s._constructed=!0,e.dispatchEvent(s))},o}();return n.prototype={version:"5.0.0-beta.1",_init:function(){this._initEvents()},destroy:function(){this._initEvents(!0),this._execEvent("destroy")},_transitionEnd:function(t){t.target==this.scroller&&(this._transitionTime(0),this.resetPosition(this.options.bounceTime)||this._execEvent("scrollEnd"))},_start:function(t){if(this.enabled&&(!this.initiated||r.eventType[t.type]===this.initiated)){this.options.preventDefault&&!r.isAndroidBrowser&&t.preventDefault();var i,e=t.touches?t.touches[0]:t;this.initiated=r.eventType[t.type],this.moved=!1,this.distX=0,this.distY=0,this.directionX=0,this.directionY=0,this.directionLocked=0,this._transitionTime(),this.isAnimating=!1,this.startTime=r.getTime(),this.options.useTransition&&this.isInTransition&&(i=this.getComputedPosition(),this._translate(s.round(i.x),s.round(i.y)),this.isInTransition=!1),this.startX=this.x,this.startY=this.y,this.absStartX=this.x,this.absStartY=this.y,this.pointX=e.pageX,this.pointY=e.pageY,this._execEvent("scrollStart")}},_move:function(t){if(this.enabled&&r.eventType[t.type]===this.initiated){this.options.preventDefault&&t.preventDefault();var i,e,n,o,a=t.touches?t.touches[0]:t,h=a.pageX-this.pointX,c=a.pageY-this.pointY,l=r.getTime();if(this.pointX=a.pageX,this.pointY=a.pageY,this.distX+=h,this.distY+=c,n=s.abs(this.distX),o=s.abs(this.distY),!(l-this.endTime>300&&10>n&&10>o)){if(!this.directionLocked&&this.options.lockDirection&&(this.directionLocked=n>o+this.options.directionLockThreshold?"h":o>=n+this.options.directionLockThreshold?"v":0),"h"==this.directionLocked){if("vertical"==this.options.eventPassthrough)t.preventDefault();else if("horizontal"==this.options.eventPassthrough)return this.initiated=!1,void 0;c=0}else if("v"==this.directionLocked){if("horizontal"==this.options.eventPassthrough)t.preventDefault();else if("vertical"==this.options.eventPassthrough)return this.initiated=!1,void 0;h=0}i=this.x+(this.hasHorizontalScroll?h:0),e=this.y+(this.hasVerticalScroll?c:0),(i>0||i<this.maxScrollX)&&(i=this.options.bounce?this.x+h/3:i>0?0:this.maxScrollX),(e>0||e<this.maxScrollY)&&(e=this.options.bounce?this.y+c/3:e>0?0:this.maxScrollY),this.directionX=h>0?-1:0>h?1:0,this.directionY=c>0?-1:0>c?1:0,this.moved=!0,this._translate(i,e),l-this.startTime>300&&(this.startTime=l,this.startX=this.x,this.startY=this.y)}}},_end:function(t){if(this.enabled&&r.eventType[t.type]===this.initiated){this.options.preventDefault&&t.preventDefault();var i,e,n=(t.changedTouches?t.changedTouches[0]:t,r.getTime()-this.startTime),o=s.round(this.x),a=s.round(this.y),h=0,c="";if(this.isInTransition=0,this.initiated=0,this.endTime=r.getTime(),!this.resetPosition(this.options.bounceTime)){if(!this.moved)return this.options.tap&&r.tap(t,this.options.tap),this.options.click&&r.click(t),void 0;if(this.options.momentum&&300>n&&(i=this.hasHorizontalScroll?r.momentum(this.x,this.startX,n,this.maxScrollX,this.options.bounce?this.wrapperWidth:0):{destination:o,duration:0},e=this.hasVerticalScroll?r.momentum(this.y,this.startY,n,this.maxScrollY,this.options.bounce?this.wrapperHeight:0):{destination:a,duration:0},o=i.destination,a=e.destination,h=s.max(i.duration,e.duration),this.isInTransition=1),this.options.snap){var l=this._nearestSnap(o,a);this.currentPage=l,o=l.x,a=l.y,h=this.options.snapSpeed||s.max(s.max(s.min(s.abs(o-this.x),1e3),s.min(s.abs(a-this.y),1e3)),300),c=this.options.bounceEasing}return o!=this.x||a!=this.y?((o>0||o<this.maxScrollX||a>0||a<this.maxScrollY)&&(c=r.ease.quadratic),this.scrollTo(o,a,h,c),void 0):(this._execEvent("scrollEnd"),void 0)}}},_resize:function(){var t=this;clearTimeout(this.resizeTimeout),this.resizeTimeout=setTimeout(function(){t.refresh(),t.resetPosition()},60)},resetPosition:function(t){if(this.x<=0&&this.x>=this.maxScrollX&&this.y<=0&&this.y>=this.maxScrollY)return!1;var i=this.x,s=this.y;return t=t||0,!this.hasHorizontalScroll||this.x>0?i=0:this.x<this.maxScrollX&&(i=this.maxScrollX),!this.hasVerticalScroll||this.y>0?s=0:this.y<this.maxScrollY&&(s=this.maxScrollY),this.scrollTo(i,s,t,this.options.bounceEasing),!0},disable:function(){this.enabled=!1},enable:function(){this.enabled=!0},refresh:function(){this.wrapper.offsetHeight,this.wrapperWidth=this.wrapper.clientWidth,this.wrapperHeight=this.wrapper.clientHeight,this.scrollerWidth=this.scroller.offsetWidth,this.scrollerHeight=this.scroller.offsetHeight,this.maxScrollX=this.wrapperWidth-this.scrollerWidth,this.maxScrollY=this.wrapperHeight-this.scrollerHeight,this.maxScrollX>0&&(this.maxScrollX=0),this.maxScrollY>0&&(this.maxScrollY=0),this.hasHorizontalScroll=this.options.scrollX&&this.maxScrollX<0,this.hasVerticalScroll=this.options.scrollY&&this.maxScrollY<0,this.endTime=0,this.wrapperOffset=r.offset(this.wrapper),this._execEvent("refresh")},on:function(t,i){this._events[t]||(this._events[t]=[]),this._events[t].push(i)},_execEvent:function(t){if(this._events[t]){var i=0,s=this._events[t].length;if(s)for(;s>i;i++)this._events[t][i].call(this)}},scrollBy:function(t,i,s,e){t=this.x+t,i=this.y+i,s=s||0,this.scrollTo(t,i,s,e)},scrollTo:function(t,i,s,e){e=e||r.ease.circular,!s||this.options.useTransition&&e.style?(this._transitionTimingFunction(e.style),this._transitionTime(s),this._translate(t,i)):this._animate(t,i,s,e.fn)},scrollToElement:function(t,i,e,n,o){if(t=t.nodeType?t:this.scroller.querySelector(t)){var a=r.offset(t);a.left-=this.wrapperOffset.left,a.top-=this.wrapperOffset.top,e===!0&&(e=s.round(t.offsetWidth/2-this.wrapper.offsetWidth/2)),n===!0&&(n=s.round(t.offsetHeight/2-this.wrapper.offsetHeight/2)),a.left-=e||0,a.top-=n||0,a.left=a.left>0?0:a.left<this.maxScrollX?this.maxScrollX:a.left,a.top=a.top>0?0:a.top<this.maxScrollY?this.maxScrollY:a.top,i=s.max(2*s.abs(a.left),2*s.abs(a.top)),this.scrollTo(a.left,a.top,i,o)}},_transitionTime:function(t){t=t||0,this.scrollerStyle[r.style.transitionDuration]=t+"ms"},_transitionTimingFunction:function(t){this.scrollerStyle[r.style.transitionTimingFunction]=t},_translate:function(t,i){this.options.useTransform?this.scrollerStyle[r.style.transform]="translate("+t+"px,"+i+"px)"+this.translateZ:(t=s.round(t),i=s.round(i),this.scrollerStyle.left=t+"px",this.scrollerStyle.top=i+"px"),this.x=t,this.y=i},_initEvents:function(i){var s=i?r.removeEvent:r.addEvent,e=this.options.bindToWrapper?this.wrapper:t;s(t,"orientationchange",this),s(t,"resize",this),s(this.wrapper,"mousedown",this),s(e,"mousemove",this),s(e,"mousecancel",this),s(e,"mouseup",this),r.hasPointer&&(s(this.wrapper,"MSPointerDown",this),s(e,"MSPointerMove",this),s(e,"MSPointerCancel",this),s(e,"MSPointerUp",this)),r.hasTouch&&(s(this.wrapper,"touchstart",this),s(e,"touchmove",this),s(e,"touchcancel",this),s(e,"touchend",this)),s(this.scroller,"transitionend",this),s(this.scroller,"webkitTransitionEnd",this),s(this.scroller,"oTransitionEnd",this),s(this.scroller,"MSTransitionEnd",this)},getComputedPosition:function(){var i,s,e=t.getComputedStyle(this.scroller,null);return this.options.useTransform?(e=e[r.style.transform].split(")")[0].split(", "),i=+(e[12]||e[4]),s=+(e[13]||e[5])):(i=+e.left.replace(/[^-\d]/g,""),s=+e.top.replace(/[^-\d]/g,"")),{x:i,y:s}},_animate:function(t,i,s,e){function n(){var p,f,m,d=r.getTime();return d>=u?(a.isAnimating=!1,a._translate(t,i),a.resetPosition(a.options.bounceTime),void 0):(d=(d-l)/s,m=e(d),p=(t-h)*m+h,f=(i-c)*m+c,a._translate(p,f),a.isAnimating&&o(n),void 0)}var a=this,h=this.x,c=this.y,l=r.getTime(),u=l+s;this.isAnimating=!0,n()},handleEvent:function(t){switch(t.type){case"touchstart":case"MSPointerDown":case"mousedown":this._start(t);break;case"touchmove":case"MSPointerMove":case"mousemove":this._move(t);break;case"touchend":case"MSPointerUp":case"mouseup":case"touchcancel":case"MSPointerCancel":case"mousecancel":this._end(t);break;case"orientationchange":case"resize":this._resize();break;case"transitionend":case"webkitTransitionEnd":case"oTransitionEnd":case"MSTransitionEnd":this._transitionEnd(t);break;case"DOMMouseScroll":case"mousewheel":this._wheel(t);break;case"keydown":this._key(t)}}},n.ease=r.ease,n}(window,document,Math);
\ No newline at end of file
+/*! iScroll v5.0.0-beta.2 ~ (c) 2008-2013 Matteo Spinelli ~ http://cubiq.org/license */
+var IScroll=function(t,i,s){function n(t,s){this.wrapper="string"==typeof t?i.querySelector(t):t,this.scroller=this.wrapper.children[0],this.scrollerStyle=this.scroller.style,this.options={startX:0,startY:0,scrollY:!0,directionLockThreshold:5,momentum:!0,bounce:!0,bounceTime:600,bounceEasing:"",preventDefault:!0,HWCompositing:!0,useTransition:!0,useTransform:!0};for(var e in s)this.options[e]=s[e];this.translateZ=this.options.HWCompositing&&r.hasPerspective?" translateZ(0)":"",this.options.useTransition=r.hasTransition&&this.options.useTransition,this.options.useTransform=r.hasTransform&&this.options.useTransform,this.options.eventPassthrough=this.options.eventPassthrough===!0?"vertical":this.options.eventPassthrough,this.options.preventDefault=!this.options.eventPassthrough&&this.options.preventDefault,this.options.scrollY="vertical"==this.options.eventPassthrough?!1:this.options.scrollY,this.options.scrollX="horizontal"==this.options.eventPassthrough?!1:this.options.scrollX,this.options.freeScroll=this.options.freeScroll&&!this.options.eventPassthrough,this.options.directionLockThreshold=this.options.eventPassthrough?0:this.options.directionLockThreshold,this.options.bounceEasing="string"==typeof this.options.bounceEasing?r.ease[this.options.bounceEasing]||r.ease.circular:this.options.bounceEasing,this.options.tap===!0&&(this.options.tap="tap"),this.x=0,this.y=0,this._events={},this._init(),this.refresh(),this.scrollTo(this.options.startX,this.options.startY),this.enable()}var o=t.requestAnimationFrame||t.webkitRequestAnimationFrame||t.mozRequestAnimationFrame||t.oRequestAnimationFrame||t.msRequestAnimationFrame||function(i){t.setTimeout(i,1e3/60)},r=function(){function n(t){return a===!1?!1:""===a?t:a+t.charAt(0).toUpperCase()+t.substr(1)}var o={},r=i.createElement("div").style,a=function(){for(var t,i=["t","webkitT","MozT","msT","OT"],s=0,e=i.length;e>s;s++)if(t=i[s]+"ransform",t in r)return i[s].substr(0,i[s].length-1);return!1}();o.getTime=Date.now||function(){return(new Date).getTime()},o.extend=function(t,i){for(var s in i)t[s]=i[s]},o.addEvent=function(t,i,s,e){t.addEventListener(i,s,!!e)},o.removeEvent=function(t,i,s,e){t.removeEventListener(i,s,!!e)},o.momentum=function(t,i,e,n,o){var r,a,h=t-i,c=s.abs(h)/e,l=6e-4;return r=t+c*c/(2*l)*(0>h?-1:1),a=c/l,n>r?(r=o?n-o/2.5*(c/8):n,h=s.abs(r-t),a=h/c):r>0&&(r=o?o/2.5*(c/8):0,h=s.abs(t)+r,a=h/c),{destination:s.round(r),duration:a}};var h=n("transform");return o.extend(o,{hasTransform:h!==!1,hasPerspective:n("perspective")in r,hasTouch:"ontouchstart"in t,hasPointer:navigator.msPointerEnabled,hasTransition:n("transition")in r}),o.isAndroidBrowser=/Android/.test(t.navigator.appVersion)&&/Version\/\d/.test(t.navigator.appVersion),o.extend(o.style={},{transform:h,transitionTimingFunction:n("transitionTimingFunction"),transitionDuration:n("transitionDuration"),transformOrigin:n("transformOrigin")}),o.hasClass=function(t,i){var s=new RegExp("(^|\\s)"+i+"(\\s|$)");return s.test(t.className)},o.addClass=function(t,i){if(!o.hasClass(t,i)){var s=t.className.split(" ");s.push(i),t.className=s.join(" ")}},o.removeClass=function(t,i){if(o.hasClass(t,i)){var s=new RegExp("(^|\\s)"+i+"(\\s|$)","g");t.className=t.className.replace(s,"")}},o.offset=function(t){for(var i=-t.offsetLeft,s=-t.offsetTop;t=t.offsetParent;)i-=t.offsetLeft,s-=t.offsetTop;return{left:i,top:s}},o.extend(o.eventType={},{touchstart:1,touchmove:1,touchend:1,mousedown:2,mousemove:2,mouseup:2,MSPointerDown:3,MSPointerMove:3,MSPointerUp:3}),o.extend(o.ease={},{quadratic:{style:"cubic-bezier(0.25, 0.46, 0.45, 0.94)",fn:function(t){return t*(2-t)}},circular:{style:"cubic-bezier(0.1, 0.57, 0.1, 1)",fn:function(t){return s.sqrt(1- --t*t)}},back:{style:"cubic-bezier(0.175, 0.885, 0.32, 1.275)",fn:function(t){var i=4;return(t-=1)*t*((i+1)*t+i)+1}},bounce:{style:"",fn:function(t){return(t/=1)<1/2.75?7.5625*t*t:2/2.75>t?7.5625*(t-=1.5/2.75)*t+.75:2.5/2.75>t?7.5625*(t-=2.25/2.75)*t+.9375:7.5625*(t-=2.625/2.75)*t+.984375}},elastic:{style:"",fn:function(t){return f=.22,e=.4,0===t?0:1==t?1:e*s.pow(2,-10*t)*s.sin((t-f/4)*2*s.PI/f)+1}}}),o.tap=function(t,s){var e=i.createEvent("Event");e.initEvent(s,!0,!0),e.pageX=t.pageX,e.pageY=t.pageY,t.target.dispatchEvent(e)},o.click=function(t){var s,e=t.target;"SELECT"!=e.tagName&&"INPUT"!=e.tagName&&"TEXTAREA"!=e.tagName&&(s=i.createEvent("MouseEvents"),s.initMouseEvent("click",!0,!0,t.view,1,e.screenX,e.screenY,e.clientX,e.clientY,t.ctrlKey,t.altKey,t.shiftKey,t.metaKey,0,null),s._constructed=!0,e.dispatchEvent(s))},o}();return n.prototype={version:"5.0.0-beta.2",_init:function(){this._initEvents()},destroy:function(){this._initEvents(!0),this._execEvent("destroy")},_transitionEnd:function(t){t.target==this.scroller&&(this._transitionTime(0),this.resetPosition(this.options.bounceTime)||this._execEvent("scrollEnd"))},_start:function(t){if(this.enabled&&(!this.initiated||r.eventType[t.type]===this.initiated)){this.options.preventDefault&&!r.isAndroidBrowser&&t.preventDefault();var i,e=t.touches?t.touches[0]:t;this.initiated=r.eventType[t.type],this.moved=!1,this.distX=0,this.distY=0,this.directionX=0,this.directionY=0,this.directionLocked=0,this._transitionTime(),this.isAnimating=!1,this.startTime=r.getTime(),this.options.useTransition&&this.isInTransition&&(i=this.getComputedPosition(),this._translate(s.round(i.x),s.round(i.y)),this.isInTransition=!1),this.startX=this.x,this.startY=this.y,this.absStartX=this.x,this.absStartY=this.y,this.pointX=e.pageX,this.pointY=e.pageY,this._execEvent("scrollStart")}},_move:function(t){if(this.enabled&&r.eventType[t.type]===this.initiated){this.options.preventDefault&&t.preventDefault();var i,e,n,o,a=t.touches?t.touches[0]:t,h=a.pageX-this.pointX,c=a.pageY-this.pointY,l=r.getTime();if(this.pointX=a.pageX,this.pointY=a.pageY,this.distX+=h,this.distY+=c,n=s.abs(this.distX),o=s.abs(this.distY),!(l-this.endTime>300&&10>n&&10>o)){if(this.directionLocked||this.options.freeScroll||(this.directionLocked=n>o+this.options.directionLockThreshold?"h":o>=n+this.options.directionLockThreshold?"v":"n"),"h"==this.directionLocked){if("vertical"==this.options.eventPassthrough)t.preventDefault();else if("horizontal"==this.options.eventPassthrough)return this.initiated=!1,void 0;c=0}else if("v"==this.directionLocked){if("horizontal"==this.options.eventPassthrough)t.preventDefault();else if("vertical"==this.options.eventPassthrough)return this.initiated=!1,void 0;h=0}i=this.x+(this.hasHorizontalScroll?h:0),e=this.y+(this.hasVerticalScroll?c:0),(i>0||i<this.maxScrollX)&&(i=this.options.bounce?this.x+h/3:i>0?0:this.maxScrollX),(e>0||e<this.maxScrollY)&&(e=this.options.bounce?this.y+c/3:e>0?0:this.maxScrollY),this.directionX=h>0?-1:0>h?1:0,this.directionY=c>0?-1:0>c?1:0,this.moved=!0,this._translate(i,e),l-this.startTime>300&&(this.startTime=l,this.startX=this.x,this.startY=this.y)}}},_end:function(t){if(this.enabled&&r.eventType[t.type]===this.initiated){this.options.preventDefault&&t.preventDefault();var i,e,n=(t.changedTouches?t.changedTouches[0]:t,r.getTime()-this.startTime),o=s.round(this.x),a=s.round(this.y),h=0,c="";if(this.scrollTo(o,a),this.isInTransition=0,this.initiated=0,this.endTime=r.getTime(),!this.resetPosition(this.options.bounceTime)){if(!this.moved)return this.options.tap&&r.tap(t,this.options.tap),this.options.click&&r.click(t),void 0;if(this.options.momentum&&300>n&&(i=this.hasHorizontalScroll?r.momentum(this.x,this.startX,n,this.maxScrollX,this.options.bounce?this.wrapperWidth:0):{destination:o,duration:0},e=this.hasVerticalScroll?r.momentum(this.y,this.startY,n,this.maxScrollY,this.options.bounce?this.wrapperHeight:0):{destination:a,duration:0},o=i.destination,a=e.destination,h=s.max(i.duration,e.duration),this.isInTransition=1),this.options.snap){var l=this._nearestSnap(o,a);this.currentPage=l,o=l.x,a=l.y,h=this.options.snapSpeed||s.max(s.max(s.min(s.abs(o-this.x),1e3),s.min(s.abs(a-this.y),1e3)),300),c=this.options.bounceEasing}return o!=this.x||a!=this.y?((o>0||o<this.maxScrollX||a>0||a<this.maxScrollY)&&(c=r.ease.quadratic),this.scrollTo(o,a,h,c),void 0):(this._execEvent("scrollEnd"),void 0)}}},_resize:function(){var t=this;clearTimeout(this.resizeTimeout),this.resizeTimeout=setTimeout(function(){t.refresh(),t.resetPosition()},60)},resetPosition:function(t){if(this.x<=0&&this.x>=this.maxScrollX&&this.y<=0&&this.y>=this.maxScrollY)return!1;var i=this.x,s=this.y;if(t=t||0,!this.hasHorizontalScroll||this.x>0?i=0:this.x<this.maxScrollX&&(i=this.maxScrollX),!this.hasVerticalScroll||this.y>0?s=0:this.y<this.maxScrollY&&(s=this.maxScrollY),this.options.snap){var e=this._nearestSnap(i,s);this.currentPage=e,i=e.x,s=e.y}return this.scrollTo(i,s,t,this.options.bounceEasing),!0},disable:function(){this.enabled=!1},enable:function(){this.enabled=!0},refresh:function(){this.wrapper.offsetHeight,this.wrapperWidth=this.wrapper.clientWidth,this.wrapperHeight=this.wrapper.clientHeight,this.scrollerWidth=this.scroller.offsetWidth,this.scrollerHeight=this.scroller.offsetHeight,this.maxScrollX=this.wrapperWidth-this.scrollerWidth,this.maxScrollY=this.wrapperHeight-this.scrollerHeight,this.maxScrollX>0&&(this.maxScrollX=0),this.maxScrollY>0&&(this.maxScrollY=0),this.hasHorizontalScroll=this.options.scrollX&&this.maxScrollX<0,this.hasVerticalScroll=this.options.scrollY&&this.maxScrollY<0,this.endTime=0,this.wrapperOffset=r.offset(this.wrapper),this._execEvent("refresh")},on:function(t,i){this._events[t]||(this._events[t]=[]),this._events[t].push(i)},_execEvent:function(t){if(this._events[t]){var i=0,s=this._events[t].length;if(s)for(;s>i;i++)this._events[t][i].call(this)}},scrollBy:function(t,i,s,e){t=this.x+t,i=this.y+i,s=s||0,this.scrollTo(t,i,s,e)},scrollTo:function(t,i,s,e){e=e||r.ease.circular,!s||this.options.useTransition&&e.style?(this._transitionTimingFunction(e.style),this._transitionTime(s),this._translate(t,i)):this._animate(t,i,s,e.fn)},scrollToElement:function(t,i,e,n,o){if(t=t.nodeType?t:this.scroller.querySelector(t)){var a=r.offset(t);a.left-=this.wrapperOffset.left,a.top-=this.wrapperOffset.top,e===!0&&(e=s.round(t.offsetWidth/2-this.wrapper.offsetWidth/2)),n===!0&&(n=s.round(t.offsetHeight/2-this.wrapper.offsetHeight/2)),a.left-=e||0,a.top-=n||0,a.left=a.left>0?0:a.left<this.maxScrollX?this.maxScrollX:a.left,a.top=a.top>0?0:a.top<this.maxScrollY?this.maxScrollY:a.top,i=s.max(2*s.abs(a.left),2*s.abs(a.top)),this.scrollTo(a.left,a.top,i,o)}},_transitionTime:function(t){t=t||0,this.scrollerStyle[r.style.transitionDuration]=t+"ms"},_transitionTimingFunction:function(t){this.scrollerStyle[r.style.transitionTimingFunction]=t},_translate:function(t,i){this.options.useTransform?this.scrollerStyle[r.style.transform]="translate("+t+"px,"+i+"px)"+this.translateZ:(t=s.round(t),i=s.round(i),this.scrollerStyle.left=t+"px",this.scrollerStyle.top=i+"px"),this.x=t,this.y=i},_initEvents:function(i){var s=i?r.removeEvent:r.addEvent,e=this.options.bindToWrapper?this.wrapper:t;s(t,"orientationchange",this),s(t,"resize",this),s(this.wrapper,"mousedown",this),s(e,"mousemove",this),s(e,"mousecancel",this),s(e,"mouseup",this),r.hasPointer&&(s(this.wrapper,"MSPointerDown",this),s(e,"MSPointerMove",this),s(e,"MSPointerCancel",this),s(e,"MSPointerUp",this)),r.hasTouch&&(s(this.wrapper,"touchstart",this),s(e,"touchmove",this),s(e,"touchcancel",this),s(e,"touchend",this)),s(this.scroller,"transitionend",this),s(this.scroller,"webkitTransitionEnd",this),s(this.scroller,"oTransitionEnd",this),s(this.scroller,"MSTransitionEnd",this)},getComputedPosition:function(){var i,s,e=t.getComputedStyle(this.scroller,null);return this.options.useTransform?(e=e[r.style.transform].split(")")[0].split(", "),i=+(e[12]||e[4]),s=+(e[13]||e[5])):(i=+e.left.replace(/[^-\d]/g,""),s=+e.top.replace(/[^-\d]/g,"")),{x:i,y:s}},_animate:function(t,i,s,e){function n(){var u,f,m,d=r.getTime();return d>=p?(a.isAnimating=!1,a._translate(t,i),a.resetPosition(a.options.bounceTime),void 0):(d=(d-l)/s,m=e(d),u=(t-h)*m+h,f=(i-c)*m+c,a._translate(u,f),a.isAnimating&&o(n),void 0)}var a=this,h=this.x,c=this.y,l=r.getTime(),p=l+s;this.isAnimating=!0,n()},handleEvent:function(t){switch(t.type){case"touchstart":case"MSPointerDown":case"mousedown":this._start(t);break;case"touchmove":case"MSPointerMove":case"mousemove":this._move(t);break;case"touchend":case"MSPointerUp":case"mouseup":case"touchcancel":case"MSPointerCancel":case"mousecancel":this._end(t);break;case"orientationchange":case"resize":this._resize();break;case"transitionend":case"webkitTransitionEnd":case"oTransitionEnd":case"MSTransitionEnd":this._transitionEnd(t);break;case"DOMMouseScroll":case"mousewheel":this._wheel(t);break;case"keydown":this._key(t)}}},n.ease=r.ease,n}(window,document,Math);
\ No newline at end of file
diff --git a/dist/iscroll-min.js b/dist/iscroll-min.js
index 61fab253..8a5e08b4 100644
--- a/dist/iscroll-min.js
+++ b/dist/iscroll-min.js
@@ -1,2 +1,2 @@
-/*! iScroll v5.0.0-beta.1 ~ (c) 2008-2013 Matteo Spinelli ~ http://cubiq.org/license */
-var IScroll=function(t,i,s){function o(t,s){this.wrapper="string"==typeof t?i.querySelector(t):t,this.scroller=this.wrapper.children[0],this.scrollerStyle=this.scroller.style,this.options={resizeIndicator:!0,snapThreshold:10,startX:0,startY:0,scrollY:!0,lockDirection:!0,directionLockThreshold:5,momentum:!0,bounce:!0,bounceTime:600,bounceEasing:"",preventDefault:!0,HWCompositing:!0,useTransition:!0,useTransform:!0};for(var e in s)this.options[e]=s[e];this.translateZ=this.options.HWCompositing&&a.hasPerspective?" translateZ(0)":"",this.options.useTransition=a.hasTransition&&this.options.useTransition,this.options.useTransform=a.hasTransform&&this.options.useTransform,this.options.eventPassthrough=this.options.eventPassthrough===!0?"vertical":this.options.eventPassthrough,this.options.preventDefault=!this.options.eventPassthrough&&this.options.preventDefault,this.options.scrollY="vertical"==this.options.eventPassthrough?!1:this.options.scrollY,this.options.scrollX="horizontal"==this.options.eventPassthrough?!1:this.options.scrollX,this.options.lockDirection=this.options.lockDirection||this.options.eventPassthrough,this.options.directionLockThreshold=this.options.eventPassthrough?0:this.options.directionLockThreshold,this.options.bounceEasing="string"==typeof this.options.bounceEasing?a.ease[this.options.bounceEasing]||a.ease.circular:this.options.bounceEasing,this.options.tap===!0&&(this.options.tap="tap"),this.options.invertWheelDirection=this.options.invertWheelDirection?-1:1,this.x=0,this.y=0,this._events={},this._init(),this.refresh(),this.scrollTo(this.options.startX,this.options.startY),this.enable()}function n(t,s,e){var o=i.createElement("div"),n=i.createElement("div");return e===!0&&(o.style.cssText="position:absolute;z-index:9999",n.style.cssText="-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box;position:absolute;background:rgba(0,0,0,0.5);border:1px solid rgba(255,255,255,0.9);border-radius:3px"),n.className="iScrollIndicator","h"==t?(e===!0&&(o.style.cssText+=";height:7px;left:2px;right:2px;bottom:0",n.style.height="100%"),o.className="iScrollHorizontalScrollbar"):(e===!0&&(o.style.cssText+=";width:7px;bottom:2px;top:2px;right:1px",n.style.width="100%"),o.className="iScrollVerticalScrollbar"),s||(o.style.pointerEvents="none"),o.appendChild(n),o}function r(s,e){this.wrapper="string"==typeof e.el?i.querySelector(e.el):e.el,this.indicator=this.wrapper.children[0],this.indicatorStyle=this.indicator.style,this.scroller=s,this.options={listenX:!0,listenY:!0,interactive:!1,resize:!0,defaultScrollbars:!1,speedRatioX:0,speedRatioY:0};for(var o in e)this.options[o]=e[o];this.sizeRatioX=1,this.sizeRatioY=1,this.maxPosX=0,this.maxPosY=0,this.options.interactive&&(a.addEvent(this.indicator,"touchstart",this),a.addEvent(this.indicator,"MSPointerDown",this),a.addEvent(this.indicator,"mousedown",this),a.addEvent(t,"touchend",this),a.addEvent(t,"MSPointerUp",this),a.addEvent(t,"mouseup",this))}var h=t.requestAnimationFrame||t.webkitRequestAnimationFrame||t.mozRequestAnimationFrame||t.oRequestAnimationFrame||t.msRequestAnimationFrame||function(i){t.setTimeout(i,1e3/60)},a=function(){function o(t){return h===!1?!1:""===h?t:h+t.charAt(0).toUpperCase()+t.substr(1)}var n={},r=i.createElement("div").style,h=function(){for(var t,i=["t","webkitT","MozT","msT","OT"],s=0,e=i.length;e>s;s++)if(t=i[s]+"ransform",t in r)return i[s].substr(0,i[s].length-1);return!1}();n.getTime=Date.now||function(){return(new Date).getTime()},n.extend=function(t,i){for(var s in i)t[s]=i[s]},n.addEvent=function(t,i,s,e){t.addEventListener(i,s,!!e)},n.removeEvent=function(t,i,s,e){t.removeEventListener(i,s,!!e)},n.momentum=function(t,i,e,o,n){var r,h,a=t-i,l=s.abs(a)/e,c=6e-4;return r=t+l*l/(2*c)*(0>a?-1:1),h=l/c,o>r?(r=n?o-n/2.5*(l/8):o,a=s.abs(r-t),h=a/l):r>0&&(r=n?n/2.5*(l/8):0,a=s.abs(t)+r,h=a/l),{destination:s.round(r),duration:h}};var a=o("transform");return n.extend(n,{hasTransform:a!==!1,hasPerspective:o("perspective")in r,hasTouch:"ontouchstart"in t,hasPointer:navigator.msPointerEnabled,hasTransition:o("transition")in r}),n.isAndroidBrowser=/Android/.test(t.navigator.appVersion)&&/Version\/\d/.test(t.navigator.appVersion),n.extend(n.style={},{transform:a,transitionTimingFunction:o("transitionTimingFunction"),transitionDuration:o("transitionDuration"),transformOrigin:o("transformOrigin")}),n.hasClass=function(t,i){var s=new RegExp("(^|\\s)"+i+"(\\s|$)");return s.test(t.className)},n.addClass=function(t,i){if(!n.hasClass(t,i)){var s=t.className.split(" ");s.push(i),t.className=s.join(" ")}},n.removeClass=function(t,i){if(n.hasClass(t,i)){var s=new RegExp("(^|\\s)"+i+"(\\s|$)","g");t.className=t.className.replace(s,"")}},n.offset=function(t){for(var i=-t.offsetLeft,s=-t.offsetTop;t=t.offsetParent;)i-=t.offsetLeft,s-=t.offsetTop;return{left:i,top:s}},n.extend(n.eventType={},{touchstart:1,touchmove:1,touchend:1,mousedown:2,mousemove:2,mouseup:2,MSPointerDown:3,MSPointerMove:3,MSPointerUp:3}),n.extend(n.ease={},{quadratic:{style:"cubic-bezier(0.25, 0.46, 0.45, 0.94)",fn:function(t){return t*(2-t)}},circular:{style:"cubic-bezier(0.1, 0.57, 0.1, 1)",fn:function(t){return s.sqrt(1- --t*t)}},back:{style:"cubic-bezier(0.175, 0.885, 0.32, 1.275)",fn:function(t){var i=4;return(t-=1)*t*((i+1)*t+i)+1}},bounce:{style:"",fn:function(t){return(t/=1)<1/2.75?7.5625*t*t:2/2.75>t?7.5625*(t-=1.5/2.75)*t+.75:2.5/2.75>t?7.5625*(t-=2.25/2.75)*t+.9375:7.5625*(t-=2.625/2.75)*t+.984375}},elastic:{style:"",fn:function(t){return f=.22,e=.4,0===t?0:1==t?1:e*s.pow(2,-10*t)*s.sin((t-f/4)*2*s.PI/f)+1}}}),n.tap=function(t,s){var e=i.createEvent("Event");e.initEvent(s,!0,!0),e.pageX=t.pageX,e.pageY=t.pageY,t.target.dispatchEvent(e)},n.click=function(t){var s,e=t.target;"SELECT"!=e.tagName&&"INPUT"!=e.tagName&&"TEXTAREA"!=e.tagName&&(s=i.createEvent("MouseEvents"),s.initMouseEvent("click",!0,!0,t.view,1,e.screenX,e.screenY,e.clientX,e.clientY,t.ctrlKey,t.altKey,t.shiftKey,t.metaKey,0,null),s._constructed=!0,e.dispatchEvent(s))},n}();return o.prototype={version:"5.0.0-beta.1",_init:function(){this._initEvents(),(this.options.scrollbars||this.options.indicators)&&this._initIndicators(),this.options.mouseWheel&&this._initWheel(),this.options.snap&&this._initSnap(),this.options.keyBindings&&this._initKeys()},destroy:function(){this._initEvents(!0),this._execEvent("destroy")},_transitionEnd:function(t){t.target==this.scroller&&(this._transitionTime(0),this.resetPosition(this.options.bounceTime)||this._execEvent("scrollEnd"))},_start:function(t){if(this.enabled&&(!this.initiated||a.eventType[t.type]===this.initiated)){this.options.preventDefault&&!a.isAndroidBrowser&&t.preventDefault();var i,e=t.touches?t.touches[0]:t;this.initiated=a.eventType[t.type],this.moved=!1,this.distX=0,this.distY=0,this.directionX=0,this.directionY=0,this.directionLocked=0,this._transitionTime(),this.isAnimating=!1,this.startTime=a.getTime(),this.options.useTransition&&this.isInTransition&&(i=this.getComputedPosition(),this._translate(s.round(i.x),s.round(i.y)),this.isInTransition=!1),this.startX=this.x,this.startY=this.y,this.absStartX=this.x,this.absStartY=this.y,this.pointX=e.pageX,this.pointY=e.pageY,this._execEvent("scrollStart")}},_move:function(t){if(this.enabled&&a.eventType[t.type]===this.initiated){this.options.preventDefault&&t.preventDefault();var i,e,o,n,r=t.touches?t.touches[0]:t,h=r.pageX-this.pointX,l=r.pageY-this.pointY,c=a.getTime();if(this.pointX=r.pageX,this.pointY=r.pageY,this.distX+=h,this.distY+=l,o=s.abs(this.distX),n=s.abs(this.distY),!(c-this.endTime>300&&10>o&&10>n)){if(!this.directionLocked&&this.options.lockDirection&&(this.directionLocked=o>n+this.options.directionLockThreshold?"h":n>=o+this.options.directionLockThreshold?"v":0),"h"==this.directionLocked){if("vertical"==this.options.eventPassthrough)t.preventDefault();else if("horizontal"==this.options.eventPassthrough)return this.initiated=!1,void 0;l=0}else if("v"==this.directionLocked){if("horizontal"==this.options.eventPassthrough)t.preventDefault();else if("vertical"==this.options.eventPassthrough)return this.initiated=!1,void 0;h=0}i=this.x+(this.hasHorizontalScroll?h:0),e=this.y+(this.hasVerticalScroll?l:0),(i>0||i<this.maxScrollX)&&(i=this.options.bounce?this.x+h/3:i>0?0:this.maxScrollX),(e>0||e<this.maxScrollY)&&(e=this.options.bounce?this.y+l/3:e>0?0:this.maxScrollY),this.directionX=h>0?-1:0>h?1:0,this.directionY=l>0?-1:0>l?1:0,this.moved=!0,this._translate(i,e),c-this.startTime>300&&(this.startTime=c,this.startX=this.x,this.startY=this.y)}}},_end:function(t){if(this.enabled&&a.eventType[t.type]===this.initiated){this.options.preventDefault&&t.preventDefault();var i,e,o=(t.changedTouches?t.changedTouches[0]:t,a.getTime()-this.startTime),n=s.round(this.x),r=s.round(this.y),h=0,l="";if(this.isInTransition=0,this.initiated=0,this.endTime=a.getTime(),!this.resetPosition(this.options.bounceTime)){if(!this.moved)return this.options.tap&&a.tap(t,this.options.tap),this.options.click&&a.click(t),void 0;if(this.options.momentum&&300>o&&(i=this.hasHorizontalScroll?a.momentum(this.x,this.startX,o,this.maxScrollX,this.options.bounce?this.wrapperWidth:0):{destination:n,duration:0},e=this.hasVerticalScroll?a.momentum(this.y,this.startY,o,this.maxScrollY,this.options.bounce?this.wrapperHeight:0):{destination:r,duration:0},n=i.destination,r=e.destination,h=s.max(i.duration,e.duration),this.isInTransition=1),this.options.snap){var c=this._nearestSnap(n,r);this.currentPage=c,n=c.x,r=c.y,h=this.options.snapSpeed||s.max(s.max(s.min(s.abs(n-this.x),1e3),s.min(s.abs(r-this.y),1e3)),300),l=this.options.bounceEasing}return n!=this.x||r!=this.y?((n>0||n<this.maxScrollX||r>0||r<this.maxScrollY)&&(l=a.ease.quadratic),this.scrollTo(n,r,h,l),void 0):(this._execEvent("scrollEnd"),void 0)}}},_resize:function(){var t=this;clearTimeout(this.resizeTimeout),this.resizeTimeout=setTimeout(function(){t.refresh(),t.resetPosition()},60)},resetPosition:function(t){if(this.x<=0&&this.x>=this.maxScrollX&&this.y<=0&&this.y>=this.maxScrollY)return!1;var i=this.x,s=this.y;return t=t||0,!this.hasHorizontalScroll||this.x>0?i=0:this.x<this.maxScrollX&&(i=this.maxScrollX),!this.hasVerticalScroll||this.y>0?s=0:this.y<this.maxScrollY&&(s=this.maxScrollY),this.scrollTo(i,s,t,this.options.bounceEasing),!0},disable:function(){this.enabled=!1},enable:function(){this.enabled=!0},refresh:function(){this.wrapper.offsetHeight,this.wrapperWidth=this.wrapper.clientWidth,this.wrapperHeight=this.wrapper.clientHeight,this.scrollerWidth=this.scroller.offsetWidth,this.scrollerHeight=this.scroller.offsetHeight,this.maxScrollX=this.wrapperWidth-this.scrollerWidth,this.maxScrollY=this.wrapperHeight-this.scrollerHeight,this.maxScrollX>0&&(this.maxScrollX=0),this.maxScrollY>0&&(this.maxScrollY=0),this.hasHorizontalScroll=this.options.scrollX&&this.maxScrollX<0,this.hasVerticalScroll=this.options.scrollY&&this.maxScrollY<0,this.endTime=0,this.wrapperOffset=a.offset(this.wrapper),this._execEvent("refresh")},on:function(t,i){this._events[t]||(this._events[t]=[]),this._events[t].push(i)},_execEvent:function(t){if(this._events[t]){var i=0,s=this._events[t].length;if(s)for(;s>i;i++)this._events[t][i].call(this)}},scrollBy:function(t,i,s,e){t=this.x+t,i=this.y+i,s=s||0,this.scrollTo(t,i,s,e)},scrollTo:function(t,i,s,e){e=e||a.ease.circular,!s||this.options.useTransition&&e.style?(this._transitionTimingFunction(e.style),this._transitionTime(s),this._translate(t,i)):this._animate(t,i,s,e.fn)},scrollToElement:function(t,i,e,o,n){if(t=t.nodeType?t:this.scroller.querySelector(t)){var r=a.offset(t);r.left-=this.wrapperOffset.left,r.top-=this.wrapperOffset.top,e===!0&&(e=s.round(t.offsetWidth/2-this.wrapper.offsetWidth/2)),o===!0&&(o=s.round(t.offsetHeight/2-this.wrapper.offsetHeight/2)),r.left-=e||0,r.top-=o||0,r.left=r.left>0?0:r.left<this.maxScrollX?this.maxScrollX:r.left,r.top=r.top>0?0:r.top<this.maxScrollY?this.maxScrollY:r.top,i=s.max(2*s.abs(r.left),2*s.abs(r.top)),this.scrollTo(r.left,r.top,i,n)}},_transitionTime:function(t){t=t||0,this.scrollerStyle[a.style.transitionDuration]=t+"ms",this.indicator1&&this.indicator1.transitionTime(t),this.indicator2&&this.indicator2.transitionTime(t)},_transitionTimingFunction:function(t){this.scrollerStyle[a.style.transitionTimingFunction]=t,this.indicator1&&this.indicator1.transitionTimingFunction(t),this.indicator2&&this.indicator2.transitionTimingFunction(t)},_translate:function(t,i){this.options.useTransform?this.scrollerStyle[a.style.transform]="translate("+t+"px,"+i+"px)"+this.translateZ:(t=s.round(t),i=s.round(i),this.scrollerStyle.left=t+"px",this.scrollerStyle.top=i+"px"),this.x=t,this.y=i,this.indicator1&&this.indicator1.updatePosition(),this.indicator2&&this.indicator2.updatePosition()},_initEvents:function(i){var s=i?a.removeEvent:a.addEvent,e=this.options.bindToWrapper?this.wrapper:t;s(t,"orientationchange",this),s(t,"resize",this),s(this.wrapper,"mousedown",this),s(e,"mousemove",this),s(e,"mousecancel",this),s(e,"mouseup",this),a.hasPointer&&(s(this.wrapper,"MSPointerDown",this),s(e,"MSPointerMove",this),s(e,"MSPointerCancel",this),s(e,"MSPointerUp",this)),a.hasTouch&&(s(this.wrapper,"touchstart",this),s(e,"touchmove",this),s(e,"touchcancel",this),s(e,"touchend",this)),s(this.scroller,"transitionend",this),s(this.scroller,"webkitTransitionEnd",this),s(this.scroller,"oTransitionEnd",this),s(this.scroller,"MSTransitionEnd",this)},getComputedPosition:function(){var i,s,e=t.getComputedStyle(this.scroller,null);return this.options.useTransform?(e=e[a.style.transform].split(")")[0].split(", "),i=+(e[12]||e[4]),s=+(e[13]||e[5])):(i=+e.left.replace(/[^-\d]/g,""),s=+e.top.replace(/[^-\d]/g,"")),{x:i,y:s}},_initIndicators:function(){var t,i,s=this.options.interactiveScrollbars;"object"!=typeof this.options.scrollbars,this.options.scrollbars?(this.options.scrollY&&(t={el:n("v",s,this.options.scrollbars),interactive:s,defaultScrollbars:!0,resize:this.options.resizeIndicator,listenX:!1},this.wrapper.appendChild(t.el)),this.options.scrollX&&(i={el:n("h",s,this.options.scrollbars),interactive:s,defaultScrollbars:!0,resize:this.options.resizeIndicator,listenY:!1},this.wrapper.appendChild(i.el))):(t=this.options.indicators.length?this.options.indicators[0]:this.options.indicators,i=this.options.indicators[1]&&this.options.indicators[1]),t&&(this.indicator1=new r(this,t)),i&&(this.indicator2=new r(this,i)),this.on("refresh",function(){this.indicator1&&this.indicator1.refresh(),this.indicator2&&this.indicator2.refresh()}),this.on("destroy",function(){this.indicator1&&this.indicator1.destroy(),this.indicator2&&this.indicator2.destroy()})},_initWheel:function(){a.addEvent(this.wrapper,"mousewheel",this),a.addEvent(this.wrapper,"DOMMouseScroll",this),this.on("destroy",function(){a.removeEvent(this.wrapper,"mousewheel",this),a.removeEvent(this.wrapper,"DOMMouseScroll",this)})},_wheel:function(t){var i,s,e,o,n=this;if(clearTimeout(this.wheelTimeout),this.wheelTimeout=setTimeout(function(){n._execEvent("scrollEnd")},400),t.preventDefault(),"wheelDeltaX"in t)i=t.wheelDeltaX/120,s=t.wheelDeltaY/120;else if("wheelDelta"in t)i=s=t.wheelDelta/120;else{if(!("detail"in t))return;i=s=-t.detail/3}i*=10,s*=10,this.hasVerticalScroll||(i=s),e=this.x+(this.hasHorizontalScroll?i*this.options.invertWheelDirection:0),o=this.y+(this.hasVerticalScroll?s*this.options.invertWheelDirection:0),e>0?e=0:e<this.maxScrollX&&(e=this.maxScrollX),o>0?o=0:o<this.maxScrollY&&(o=this.maxScrollY),this.scrollTo(e,o,0)},_initSnap:function(){this.pages=[],this.currentPage={},this.on("refresh",function(){var t,i,e,o,n,r,h=0,a=0,l=0,c=this.options.snapStepX||this.wrapperWidth,p=this.options.snapStepY||this.wrapperHeight;if(this.options.snap===!0)for(e=s.round(c/2),o=s.round(p/2);l>=-this.scrollerWidth;){for(this.pages[h]=[],t=0,n=0;n>=-this.scrollerHeight;)this.pages[h][t]={x:s.max(l,this.maxScrollX),y:s.max(n,this.maxScrollY),cx:l-e,cy:n-o},n-=p,t++;l-=c,h++}else for(r=this.options.snap,t=r.length,i=-1;t>h;h++)0===r[h].offsetLeft&&(a=0,i++),this.pages[a]||(this.pages[a]=[]),l=s.max(-r[h].offsetLeft,this.maxScrollX),n=s.max(-r[h].offsetTop,this.maxScrollY),e=l-s.round(r[h].offsetWidth/2),o=n-s.round(r[h].offsetHeight/2),this.pages[a][i]={x:l,y:n,cx:e,cy:o},a++;this.currentPage={x:this.pages[0][0].x,y:this.pages[0][0].y,pageX:0,pageY:0}})},_nearestSnap:function(t,i){var e=0,o=this.pages.length,n=0;if(s.abs(t-this.absStartX)<this.options.snapThreshold&&s.abs(i-this.absStartY)<this.options.snapThreshold)return this.currentPage;for(;o>e;e++)if(t>=this.pages[e][0].cx){t=this.pages[e][0].x;break}for(o=this.pages[e].length;o>n;n++)if(i>=this.pages[0][n].cy){i=this.pages[0][n].y;break}return e==this.currentPage.pageX&&(e+=this.directionX,0>e?e=0:e>=this.pages.length&&(e=this.pages.length-1),t=this.pages[e][0].x),n==this.currentPage.pageY&&(n+=this.directionY,0>n?n=0:n>=this.pages[0].length&&(n=this.pages[0].length-1),i=this.pages[0][n].y),{x:t,y:i,pageX:e,pageY:n}},goToPage:function(t,i,e,o){t>=this.pages.length?t=this.pages.length-1:0>t&&(t=0),i>=this.pages[0].length?i=this.pages[0].length-1:0>i&&(i=0);var n=this.pages[t][i].x,r=this.pages[t][i].y;e=e||this.options.snapSpeed||s.max(s.max(s.min(s.abs(n-this.x),1e3),s.min(s.abs(r-this.y),1e3)),300),this.currentPage={x:n,y:r,pageX:t,pageY:i},this.scrollTo(n,r,e,o)},next:function(t,i){var s=this.currentPage.pageX,e=this.currentPage.pageY;s+=this.hasHorizontalScroll?1:0,e+=this.hasVericalScroll?1:0,this.goToPage(s,e,t,i)},prev:function(t,i){var s=this.currentPage.pageX,e=this.currentPage.pageY;s-=this.hasHorizontalScroll?1:0,e-=this.hasVericalScroll?1:0,this.goToPage(s,e,t,i)},_initKeys:function(){var i,s={pageUp:33,pageDown:34,end:35,home:36,left:37,up:38,right:39,down:40};if("object"==typeof this.options.keyBindings)for(i in this.options.keyBindings)"string"==typeof this.options.keyBindings[i]&&(this.options.keyBindings[i]=this.options.keyBindings[i].toUpperCase().charCodeAt(0));else this.options.keyBindings={};for(i in s)this.options.keyBindings[i]=this.options.keyBindings[i]||s[i];a.addEvent(t,"keydown",this),this.on("destroy",function(){a.removeEvent(t,"keydown",this)})},_key:function(t){var i,e=this.options.snap,o=e?this.currentPage.pageX:this.x,n=e?this.currentPage.pageY:this.y,r=a.getTime(),h=this.keyTime||0,l=.25;switch(this.options.useTransition&&this.isInTransition&&(i=this.getComputedPosition(),this._translate(s.round(i.x),s.round(i.y)),this.isInTransition=!1),this.keyAcceleration=200>r-h?s.min(this.keyAcceleration+l,50):0,t.keyCode){case this.options.keyBindings.pageUp:this.hasHorizontalScroll&&!this.hasVerticalScroll?o+=e?1:this.wrapperWidth:n+=e?1:this.wrapperHeight;break;case this.options.keyBindings.pageDown:this.hasHorizontalScroll&&!this.hasVerticalScroll?o-=e?1:this.wrapperWidth:n-=e?1:this.wrapperHeight;break;case this.options.keyBindings.end:o=e?this.pages.length-1:this.maxScrollX,n=e?this.pages[0].length-1:this.maxScrollY;break;case this.options.keyBindings.home:o=0,n=0;break;case this.options.keyBindings.left:o+=e?-1:5+this.keyAcceleration>>0;break;case this.options.keyBindings.up:n+=e?1:5+this.keyAcceleration>>0;break;case this.options.keyBindings.right:o-=e?-1:5+this.keyAcceleration>>0;break;case this.options.keyBindings.down:n-=e?1:5+this.keyAcceleration>>0}return e?(this.goToPage(o,n),void 0):(o>0?(o=0,this.keyAcceleration=0):o<this.maxScrollX&&(o=this.maxScrollX,this.keyAcceleration=0),n>0?(n=0,this.keyAcceleration=0):n<this.maxScrollY&&(n=this.maxScrollY,this.keyAcceleration=0),this.scrollTo(o,n,0),this.keyTime=r,void 0)},_animate:function(t,i,s,e){function o(){var u,d,m,f=a.getTime();return f>=p?(n.isAnimating=!1,n._translate(t,i),n.resetPosition(n.options.bounceTime),void 0):(f=(f-c)/s,m=e(f),u=(t-r)*m+r,d=(i-l)*m+l,n._translate(u,d),n.isAnimating&&h(o),void 0)}var n=this,r=this.x,l=this.y,c=a.getTime(),p=c+s;this.isAnimating=!0,o()},handleEvent:function(t){switch(t.type){case"touchstart":case"MSPointerDown":case"mousedown":this._start(t);break;case"touchmove":case"MSPointerMove":case"mousemove":this._move(t);break;case"touchend":case"MSPointerUp":case"mouseup":case"touchcancel":case"MSPointerCancel":case"mousecancel":this._end(t);break;case"orientationchange":case"resize":this._resize();break;case"transitionend":case"webkitTransitionEnd":case"oTransitionEnd":case"MSTransitionEnd":this._transitionEnd(t);break;case"DOMMouseScroll":case"mousewheel":this._wheel(t);break;case"keydown":this._key(t)}}},r.prototype={handleEvent:function(t){switch(t.type){case"touchstart":case"MSPointerDown":case"mousedown":this._start(t);break;case"touchmove":case"MSPointerMove":case"mousemove":this._move(t);break;case"touchend":case"MSPointerUp":case"mouseup":case"touchcancel":case"MSPointerCancel":case"mousecancel":this._end(t)}},destroy:function(){this.options.interactive&&(a.removeEvent(this.indicator,"touchstart",this),a.removeEvent(this.indicator,"MSPointerDown",this),a.removeEvent(this.indicator,"mousedown",this),a.removeEvent(t,"touchmove",this),a.removeEvent(t,"MSPointerMove",this),a.removeEvent(t,"mousemove",this),a.removeEvent(t,"touchend",this),a.removeEvent(t,"MSPointerUp",this),a.removeEvent(t,"mouseup",this))},_start:function(i){var s=i.touches?i.touches[0]:i;i.preventDefault(),i.stopPropagation(),this.transitionTime(0),this.initiated=!0,this.lastPointX=s.pageX,this.lastPointY=s.pageY,this.startTime=a.getTime(),a.addEvent(t,"touchmove",this),a.addEvent(t,"MSPointerMove",this),a.addEvent(t,"mousemove",this)},_move:function(t){var i,s,e,o,n=t.touches?t.touches[0]:t;a.getTime(),i=n.pageX-this.lastPointX,this.lastPointX=n.pageX,s=n.pageY-this.lastPointY,this.lastPointY=n.pageY,e=this.x+i,o=this.y+s,this._pos(e,o),t.preventDefault(),t.stopPropagation()},_end:function(i){this.initiated&&(this.initiated=!1,i.preventDefault(),i.stopPropagation(),a.removeEvent(t,"touchmove",this),a.removeEvent(t,"MSPointerMove",this),a.removeEvent(t,"mousemove",this))},transitionTime:function(t){t=t||0,this.indicatorStyle[a.style.transitionDuration]=t+"ms"},transitionTimingFunction:function(t){this.indicatorStyle[a.style.transitionTimingFunction]=t},refresh:function(){this.transitionTime(0),this.indicatorStyle.display=this.options.listenX&&!this.options.listenY?this.scroller.hasHorizontalScroll?"block":"none":this.options.listenY&&!this.options.listenX?this.scroller.hasVerticalScroll?"block":"none":this.scroller.hasHorizontalScroll||this.scroller.hasVerticalScroll?"block":"none",this.scroller.hasHorizontalScroll&&this.scroller.hasVerticalScroll?(a.addClass(this.wrapper,"iScrollBothScrollbars"),a.removeClass(this.wrapper,"iScrollLoneScrollbar"),this.options.defaultScrollbars&&(this.options.listenX?this.wrapper.style.right="8px":this.wrapper.style.bottom="8px")):(a.removeClass(this.wrapper,"iScrollBothScrollbars"),a.addClass(this.wrapper,"iScrollLoneScrollbar"),this.options.defaultScrollbars&&(this.options.listenX?this.wrapper.style.right="2px":this.wrapper.style.bottom="2px")),this.wrapper.offsetHeight,this.options.listenX&&(this.wrapperWidth=this.wrapper.clientWidth,this.options.resize?(this.indicatorWidth=s.max(s.round(this.wrapperWidth*this.wrapperWidth/this.scroller.scrollerWidth),8),this.indicatorStyle.width=this.indicatorWidth+"px"):this.indicatorWidth=this.indicator.clientWidth,this.maxPosX=this.wrapperWidth-this.indicatorWidth,this.sizeRatioX=this.options.speedRatioX||this.scroller.maxScrollX&&this.maxPosX/this.scroller.maxScrollX),this.options.listenY&&(this.wrapperHeight=this.wrapper.clientHeight,this.options.resize?(this.indicatorHeight=s.max(s.round(this.wrapperHeight*this.wrapperHeight/this.scroller.scrollerHeight),8),this.indicatorStyle.height=this.indicatorHeight+"px"):this.indicatorHeight=this.indicator.clientHeight,this.maxPosY=this.wrapperHeight-this.indicatorHeight,this.sizeRatioY=this.options.speedRatioY||this.scroller.maxScrollY&&this.maxPosY/this.scroller.maxScrollY),this.updatePosition()},updatePosition:function(){var t=s.round(this.sizeRatioX*this.scroller.x)||0,i=s.round(this.sizeRatioY*this.scroller.y)||0;this.options.ignoreBoundaries||(0>t?t=0:t>this.maxPosX&&(t=this.maxPosX),0>i?i=0:i>this.maxPosY&&(i=this.maxPosY)),this.x=t,this.y=i,this.scroller.options.useTransform?this.indicatorStyle[a.style.transform]="translate("+t+"px,"+i+"px)"+this.scroller.translateZ:(this.indicatorStyle.left=t+"px",this.indicatorStyle.top=i+"px")},_pos:function(t,i){0>t?t=0:t>this.maxPosX&&(t=this.maxPosX),0>i?i=0:i>this.maxPosY&&(i=this.maxPosY),this.scroller.scrollTo(s.round(t/this.sizeRatioX),s.round(i/this.sizeRatioY))}},o.ease=a.ease,o}(window,document,Math);
\ No newline at end of file
+/*! iScroll v5.0.0-beta.2 ~ (c) 2008-2013 Matteo Spinelli ~ http://cubiq.org/license */
+var IScroll=function(t,i,s){function o(t,s){this.wrapper="string"==typeof t?i.querySelector(t):t,this.scroller=this.wrapper.children[0],this.scrollerStyle=this.scroller.style,this.options={resizeIndicator:!0,snapThreshold:10,startX:0,startY:0,scrollY:!0,directionLockThreshold:5,momentum:!0,bounce:!0,bounceTime:600,bounceEasing:"",preventDefault:!0,HWCompositing:!0,useTransition:!0,useTransform:!0};for(var e in s)this.options[e]=s[e];this.translateZ=this.options.HWCompositing&&a.hasPerspective?" translateZ(0)":"",this.options.useTransition=a.hasTransition&&this.options.useTransition,this.options.useTransform=a.hasTransform&&this.options.useTransform,this.options.eventPassthrough=this.options.eventPassthrough===!0?"vertical":this.options.eventPassthrough,this.options.preventDefault=!this.options.eventPassthrough&&this.options.preventDefault,this.options.scrollY="vertical"==this.options.eventPassthrough?!1:this.options.scrollY,this.options.scrollX="horizontal"==this.options.eventPassthrough?!1:this.options.scrollX,this.options.freeScroll=this.options.freeScroll&&!this.options.eventPassthrough,this.options.directionLockThreshold=this.options.eventPassthrough?0:this.options.directionLockThreshold,this.options.bounceEasing="string"==typeof this.options.bounceEasing?a.ease[this.options.bounceEasing]||a.ease.circular:this.options.bounceEasing,this.options.tap===!0&&(this.options.tap="tap"),this.options.invertWheelDirection=this.options.invertWheelDirection?-1:1,this.x=0,this.y=0,this._events={},this._init(),this.refresh(),this.scrollTo(this.options.startX,this.options.startY),this.enable()}function n(t,s,e){var o=i.createElement("div"),n=i.createElement("div");return e===!0&&(o.style.cssText="position:absolute;z-index:9999",n.style.cssText="-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box;position:absolute;background:rgba(0,0,0,0.5);border:1px solid rgba(255,255,255,0.9);border-radius:3px"),n.className="iScrollIndicator","h"==t?(e===!0&&(o.style.cssText+=";height:7px;left:2px;right:2px;bottom:0",n.style.height="100%"),o.className="iScrollHorizontalScrollbar"):(e===!0&&(o.style.cssText+=";width:7px;bottom:2px;top:2px;right:1px",n.style.width="100%"),o.className="iScrollVerticalScrollbar"),s||(o.style.pointerEvents="none"),o.appendChild(n),o}function r(s,e){this.wrapper="string"==typeof e.el?i.querySelector(e.el):e.el,this.indicator=this.wrapper.children[0],this.indicatorStyle=this.indicator.style,this.scroller=s,this.options={listenX:!0,listenY:!0,interactive:!1,resize:!0,defaultScrollbars:!1,speedRatioX:0,speedRatioY:0};for(var o in e)this.options[o]=e[o];this.sizeRatioX=1,this.sizeRatioY=1,this.maxPosX=0,this.maxPosY=0,this.options.interactive&&(a.addEvent(this.indicator,"touchstart",this),a.addEvent(this.indicator,"MSPointerDown",this),a.addEvent(this.indicator,"mousedown",this),a.addEvent(t,"touchend",this),a.addEvent(t,"MSPointerUp",this),a.addEvent(t,"mouseup",this))}var h=t.requestAnimationFrame||t.webkitRequestAnimationFrame||t.mozRequestAnimationFrame||t.oRequestAnimationFrame||t.msRequestAnimationFrame||function(i){t.setTimeout(i,1e3/60)},a=function(){function o(t){return h===!1?!1:""===h?t:h+t.charAt(0).toUpperCase()+t.substr(1)}var n={},r=i.createElement("div").style,h=function(){for(var t,i=["t","webkitT","MozT","msT","OT"],s=0,e=i.length;e>s;s++)if(t=i[s]+"ransform",t in r)return i[s].substr(0,i[s].length-1);return!1}();n.getTime=Date.now||function(){return(new Date).getTime()},n.extend=function(t,i){for(var s in i)t[s]=i[s]},n.addEvent=function(t,i,s,e){t.addEventListener(i,s,!!e)},n.removeEvent=function(t,i,s,e){t.removeEventListener(i,s,!!e)},n.momentum=function(t,i,e,o,n){var r,h,a=t-i,l=s.abs(a)/e,c=6e-4;return r=t+l*l/(2*c)*(0>a?-1:1),h=l/c,o>r?(r=n?o-n/2.5*(l/8):o,a=s.abs(r-t),h=a/l):r>0&&(r=n?n/2.5*(l/8):0,a=s.abs(t)+r,h=a/l),{destination:s.round(r),duration:h}};var a=o("transform");return n.extend(n,{hasTransform:a!==!1,hasPerspective:o("perspective")in r,hasTouch:"ontouchstart"in t,hasPointer:navigator.msPointerEnabled,hasTransition:o("transition")in r}),n.isAndroidBrowser=/Android/.test(t.navigator.appVersion)&&/Version\/\d/.test(t.navigator.appVersion),n.extend(n.style={},{transform:a,transitionTimingFunction:o("transitionTimingFunction"),transitionDuration:o("transitionDuration"),transformOrigin:o("transformOrigin")}),n.hasClass=function(t,i){var s=new RegExp("(^|\\s)"+i+"(\\s|$)");return s.test(t.className)},n.addClass=function(t,i){if(!n.hasClass(t,i)){var s=t.className.split(" ");s.push(i),t.className=s.join(" ")}},n.removeClass=function(t,i){if(n.hasClass(t,i)){var s=new RegExp("(^|\\s)"+i+"(\\s|$)","g");t.className=t.className.replace(s,"")}},n.offset=function(t){for(var i=-t.offsetLeft,s=-t.offsetTop;t=t.offsetParent;)i-=t.offsetLeft,s-=t.offsetTop;return{left:i,top:s}},n.extend(n.eventType={},{touchstart:1,touchmove:1,touchend:1,mousedown:2,mousemove:2,mouseup:2,MSPointerDown:3,MSPointerMove:3,MSPointerUp:3}),n.extend(n.ease={},{quadratic:{style:"cubic-bezier(0.25, 0.46, 0.45, 0.94)",fn:function(t){return t*(2-t)}},circular:{style:"cubic-bezier(0.1, 0.57, 0.1, 1)",fn:function(t){return s.sqrt(1- --t*t)}},back:{style:"cubic-bezier(0.175, 0.885, 0.32, 1.275)",fn:function(t){var i=4;return(t-=1)*t*((i+1)*t+i)+1}},bounce:{style:"",fn:function(t){return(t/=1)<1/2.75?7.5625*t*t:2/2.75>t?7.5625*(t-=1.5/2.75)*t+.75:2.5/2.75>t?7.5625*(t-=2.25/2.75)*t+.9375:7.5625*(t-=2.625/2.75)*t+.984375}},elastic:{style:"",fn:function(t){return f=.22,e=.4,0===t?0:1==t?1:e*s.pow(2,-10*t)*s.sin((t-f/4)*2*s.PI/f)+1}}}),n.tap=function(t,s){var e=i.createEvent("Event");e.initEvent(s,!0,!0),e.pageX=t.pageX,e.pageY=t.pageY,t.target.dispatchEvent(e)},n.click=function(t){var s,e=t.target;"SELECT"!=e.tagName&&"INPUT"!=e.tagName&&"TEXTAREA"!=e.tagName&&(s=i.createEvent("MouseEvents"),s.initMouseEvent("click",!0,!0,t.view,1,e.screenX,e.screenY,e.clientX,e.clientY,t.ctrlKey,t.altKey,t.shiftKey,t.metaKey,0,null),s._constructed=!0,e.dispatchEvent(s))},n}();return o.prototype={version:"5.0.0-beta.2",_init:function(){this._initEvents(),(this.options.scrollbars||this.options.indicators)&&this._initIndicators(),this.options.mouseWheel&&this._initWheel(),this.options.snap&&this._initSnap(),this.options.keyBindings&&this._initKeys()},destroy:function(){this._initEvents(!0),this._execEvent("destroy")},_transitionEnd:function(t){t.target==this.scroller&&(this._transitionTime(0),this.resetPosition(this.options.bounceTime)||this._execEvent("scrollEnd"))},_start:function(t){if(this.enabled&&(!this.initiated||a.eventType[t.type]===this.initiated)){this.options.preventDefault&&!a.isAndroidBrowser&&t.preventDefault();var i,e=t.touches?t.touches[0]:t;this.initiated=a.eventType[t.type],this.moved=!1,this.distX=0,this.distY=0,this.directionX=0,this.directionY=0,this.directionLocked=0,this._transitionTime(),this.isAnimating=!1,this.startTime=a.getTime(),this.options.useTransition&&this.isInTransition&&(i=this.getComputedPosition(),this._translate(s.round(i.x),s.round(i.y)),this.isInTransition=!1),this.startX=this.x,this.startY=this.y,this.absStartX=this.x,this.absStartY=this.y,this.pointX=e.pageX,this.pointY=e.pageY,this._execEvent("scrollStart")}},_move:function(t){if(this.enabled&&a.eventType[t.type]===this.initiated){this.options.preventDefault&&t.preventDefault();var i,e,o,n,r=t.touches?t.touches[0]:t,h=r.pageX-this.pointX,l=r.pageY-this.pointY,c=a.getTime();if(this.pointX=r.pageX,this.pointY=r.pageY,this.distX+=h,this.distY+=l,o=s.abs(this.distX),n=s.abs(this.distY),!(c-this.endTime>300&&10>o&&10>n)){if(this.directionLocked||this.options.freeScroll||(this.directionLocked=o>n+this.options.directionLockThreshold?"h":n>=o+this.options.directionLockThreshold?"v":"n"),"h"==this.directionLocked){if("vertical"==this.options.eventPassthrough)t.preventDefault();else if("horizontal"==this.options.eventPassthrough)return this.initiated=!1,void 0;l=0}else if("v"==this.directionLocked){if("horizontal"==this.options.eventPassthrough)t.preventDefault();else if("vertical"==this.options.eventPassthrough)return this.initiated=!1,void 0;h=0}i=this.x+(this.hasHorizontalScroll?h:0),e=this.y+(this.hasVerticalScroll?l:0),(i>0||i<this.maxScrollX)&&(i=this.options.bounce?this.x+h/3:i>0?0:this.maxScrollX),(e>0||e<this.maxScrollY)&&(e=this.options.bounce?this.y+l/3:e>0?0:this.maxScrollY),this.directionX=h>0?-1:0>h?1:0,this.directionY=l>0?-1:0>l?1:0,this.moved=!0,this._translate(i,e),c-this.startTime>300&&(this.startTime=c,this.startX=this.x,this.startY=this.y)}}},_end:function(t){if(this.enabled&&a.eventType[t.type]===this.initiated){this.options.preventDefault&&t.preventDefault();var i,e,o=(t.changedTouches?t.changedTouches[0]:t,a.getTime()-this.startTime),n=s.round(this.x),r=s.round(this.y),h=0,l="";if(this.scrollTo(n,r),this.isInTransition=0,this.initiated=0,this.endTime=a.getTime(),!this.resetPosition(this.options.bounceTime)){if(!this.moved)return this.options.tap&&a.tap(t,this.options.tap),this.options.click&&a.click(t),void 0;if(this.options.momentum&&300>o&&(i=this.hasHorizontalScroll?a.momentum(this.x,this.startX,o,this.maxScrollX,this.options.bounce?this.wrapperWidth:0):{destination:n,duration:0},e=this.hasVerticalScroll?a.momentum(this.y,this.startY,o,this.maxScrollY,this.options.bounce?this.wrapperHeight:0):{destination:r,duration:0},n=i.destination,r=e.destination,h=s.max(i.duration,e.duration),this.isInTransition=1),this.options.snap){var c=this._nearestSnap(n,r);this.currentPage=c,n=c.x,r=c.y,h=this.options.snapSpeed||s.max(s.max(s.min(s.abs(n-this.x),1e3),s.min(s.abs(r-this.y),1e3)),300),l=this.options.bounceEasing}return n!=this.x||r!=this.y?((n>0||n<this.maxScrollX||r>0||r<this.maxScrollY)&&(l=a.ease.quadratic),this.scrollTo(n,r,h,l),void 0):(this._execEvent("scrollEnd"),void 0)}}},_resize:function(){var t=this;clearTimeout(this.resizeTimeout),this.resizeTimeout=setTimeout(function(){t.refresh(),t.resetPosition()},60)},resetPosition:function(t){if(this.x<=0&&this.x>=this.maxScrollX&&this.y<=0&&this.y>=this.maxScrollY)return!1;var i=this.x,s=this.y;if(t=t||0,!this.hasHorizontalScroll||this.x>0?i=0:this.x<this.maxScrollX&&(i=this.maxScrollX),!this.hasVerticalScroll||this.y>0?s=0:this.y<this.maxScrollY&&(s=this.maxScrollY),this.options.snap){var e=this._nearestSnap(i,s);this.currentPage=e,i=e.x,s=e.y}return this.scrollTo(i,s,t,this.options.bounceEasing),!0},disable:function(){this.enabled=!1},enable:function(){this.enabled=!0},refresh:function(){this.wrapper.offsetHeight,this.wrapperWidth=this.wrapper.clientWidth,this.wrapperHeight=this.wrapper.clientHeight,this.scrollerWidth=this.scroller.offsetWidth,this.scrollerHeight=this.scroller.offsetHeight,this.maxScrollX=this.wrapperWidth-this.scrollerWidth,this.maxScrollY=this.wrapperHeight-this.scrollerHeight,this.maxScrollX>0&&(this.maxScrollX=0),this.maxScrollY>0&&(this.maxScrollY=0),this.hasHorizontalScroll=this.options.scrollX&&this.maxScrollX<0,this.hasVerticalScroll=this.options.scrollY&&this.maxScrollY<0,this.endTime=0,this.wrapperOffset=a.offset(this.wrapper),this._execEvent("refresh")},on:function(t,i){this._events[t]||(this._events[t]=[]),this._events[t].push(i)},_execEvent:function(t){if(this._events[t]){var i=0,s=this._events[t].length;if(s)for(;s>i;i++)this._events[t][i].call(this)}},scrollBy:function(t,i,s,e){t=this.x+t,i=this.y+i,s=s||0,this.scrollTo(t,i,s,e)},scrollTo:function(t,i,s,e){e=e||a.ease.circular,!s||this.options.useTransition&&e.style?(this._transitionTimingFunction(e.style),this._transitionTime(s),this._translate(t,i)):this._animate(t,i,s,e.fn)},scrollToElement:function(t,i,e,o,n){if(t=t.nodeType?t:this.scroller.querySelector(t)){var r=a.offset(t);r.left-=this.wrapperOffset.left,r.top-=this.wrapperOffset.top,e===!0&&(e=s.round(t.offsetWidth/2-this.wrapper.offsetWidth/2)),o===!0&&(o=s.round(t.offsetHeight/2-this.wrapper.offsetHeight/2)),r.left-=e||0,r.top-=o||0,r.left=r.left>0?0:r.left<this.maxScrollX?this.maxScrollX:r.left,r.top=r.top>0?0:r.top<this.maxScrollY?this.maxScrollY:r.top,i=s.max(2*s.abs(r.left),2*s.abs(r.top)),this.scrollTo(r.left,r.top,i,n)}},_transitionTime:function(t){t=t||0,this.scrollerStyle[a.style.transitionDuration]=t+"ms",this.indicator1&&this.indicator1.transitionTime(t),this.indicator2&&this.indicator2.transitionTime(t)},_transitionTimingFunction:function(t){this.scrollerStyle[a.style.transitionTimingFunction]=t,this.indicator1&&this.indicator1.transitionTimingFunction(t),this.indicator2&&this.indicator2.transitionTimingFunction(t)},_translate:function(t,i){this.options.useTransform?this.scrollerStyle[a.style.transform]="translate("+t+"px,"+i+"px)"+this.translateZ:(t=s.round(t),i=s.round(i),this.scrollerStyle.left=t+"px",this.scrollerStyle.top=i+"px"),this.x=t,this.y=i,this.indicator1&&this.indicator1.updatePosition(),this.indicator2&&this.indicator2.updatePosition()},_initEvents:function(i){var s=i?a.removeEvent:a.addEvent,e=this.options.bindToWrapper?this.wrapper:t;s(t,"orientationchange",this),s(t,"resize",this),s(this.wrapper,"mousedown",this),s(e,"mousemove",this),s(e,"mousecancel",this),s(e,"mouseup",this),a.hasPointer&&(s(this.wrapper,"MSPointerDown",this),s(e,"MSPointerMove",this),s(e,"MSPointerCancel",this),s(e,"MSPointerUp",this)),a.hasTouch&&(s(this.wrapper,"touchstart",this),s(e,"touchmove",this),s(e,"touchcancel",this),s(e,"touchend",this)),s(this.scroller,"transitionend",this),s(this.scroller,"webkitTransitionEnd",this),s(this.scroller,"oTransitionEnd",this),s(this.scroller,"MSTransitionEnd",this)},getComputedPosition:function(){var i,s,e=t.getComputedStyle(this.scroller,null);return this.options.useTransform?(e=e[a.style.transform].split(")")[0].split(", "),i=+(e[12]||e[4]),s=+(e[13]||e[5])):(i=+e.left.replace(/[^-\d]/g,""),s=+e.top.replace(/[^-\d]/g,"")),{x:i,y:s}},_initIndicators:function(){var t,i,s=this.options.interactiveScrollbars;"object"!=typeof this.options.scrollbars,this.options.scrollbars?(this.options.scrollY&&(t={el:n("v",s,this.options.scrollbars),interactive:s,defaultScrollbars:!0,resize:this.options.resizeIndicator,listenX:!1},this.wrapper.appendChild(t.el)),this.options.scrollX&&(i={el:n("h",s,this.options.scrollbars),interactive:s,defaultScrollbars:!0,resize:this.options.resizeIndicator,listenY:!1},this.wrapper.appendChild(i.el))):(t=this.options.indicators.length?this.options.indicators[0]:this.options.indicators,i=this.options.indicators[1]&&this.options.indicators[1]),t&&(this.indicator1=new r(this,t)),i&&(this.indicator2=new r(this,i)),this.on("refresh",function(){this.indicator1&&this.indicator1.refresh(),this.indicator2&&this.indicator2.refresh()}),this.on("destroy",function(){this.indicator1&&this.indicator1.destroy(),this.indicator2&&this.indicator2.destroy()})},_initWheel:function(){a.addEvent(this.wrapper,"mousewheel",this),a.addEvent(this.wrapper,"DOMMouseScroll",this),this.on("destroy",function(){a.removeEvent(this.wrapper,"mousewheel",this),a.removeEvent(this.wrapper,"DOMMouseScroll",this)})},_wheel:function(t){var i,s,e,o,n=this;if(clearTimeout(this.wheelTimeout),this.wheelTimeout=setTimeout(function(){n._execEvent("scrollEnd")},400),t.preventDefault(),"wheelDeltaX"in t)i=t.wheelDeltaX/120,s=t.wheelDeltaY/120;else if("wheelDelta"in t)i=s=t.wheelDelta/120;else{if(!("detail"in t))return;i=s=-t.detail/3}i*=10,s*=10,this.hasVerticalScroll||(i=s),e=this.x+(this.hasHorizontalScroll?i*this.options.invertWheelDirection:0),o=this.y+(this.hasVerticalScroll?s*this.options.invertWheelDirection:0),e>0?e=0:e<this.maxScrollX&&(e=this.maxScrollX),o>0?o=0:o<this.maxScrollY&&(o=this.maxScrollY),this.scrollTo(e,o,0)},_initSnap:function(){this.pages=[],this.currentPage={},"string"==typeof this.options.snap&&(this.options.snap=this.scroller.querySelectorAll(this.options.snap)),this.on("refresh",function(){var t,i,e,o,n,r,h=0,a=0,l=0,c=this.options.snapStepX||this.wrapperWidth,p=this.options.snapStepY||this.wrapperHeight;if(this.options.snap===!0)for(e=s.round(c/2),o=s.round(p/2);l>-this.scrollerWidth;){for(this.pages[h]=[],t=0,n=0;n>-this.scrollerHeight;)this.pages[h][t]={x:s.max(l,this.maxScrollX),y:s.max(n,this.maxScrollY),cx:l-e,cy:n-o},n-=p,t++;l-=c,h++}else for(r=this.options.snap,t=r.length,i=-1;t>h;h++)(0===h||r[h].offsetLeft<r[h-1].offsetLeft)&&(a=0,i++),this.pages[a]||(this.pages[a]=[]),l=s.max(-r[h].offsetLeft,this.maxScrollX),n=s.max(-r[h].offsetTop,this.maxScrollY),e=l-s.round(r[h].offsetWidth/2),o=n-s.round(r[h].offsetHeight/2),this.pages[a][i]={x:l,y:n,cx:e,cy:o},a++;this.currentPage={x:this.pages[0][0].x,y:this.pages[0][0].y,pageX:0,pageY:0}})},_nearestSnap:function(t,i){var e=0,o=this.pages.length,n=0;if(s.abs(t-this.absStartX)<this.options.snapThreshold&&s.abs(i-this.absStartY)<this.options.snapThreshold)return this.currentPage;for(t>0?t=0:t<this.maxScrollX&&(t=this.maxScrollX),i>0?i=0:i<this.maxScrollY&&(i=this.maxScrollY);o>e;e++)if(t>=this.pages[e][0].cx){t=this.pages[e][0].x;break}for(o=this.pages[e].length;o>n;n++)if(i>=this.pages[0][n].cy){i=this.pages[0][n].y;break}return e==this.currentPage.pageX&&(e+=this.directionX,0>e?e=0:e>=this.pages.length&&(e=this.pages.length-1),t=this.pages[e][0].x),n==this.currentPage.pageY&&(n+=this.directionY,0>n?n=0:n>=this.pages[0].length&&(n=this.pages[0].length-1),i=this.pages[0][n].y),{x:t,y:i,pageX:e,pageY:n}},goToPage:function(t,i,e,o){t>=this.pages.length?t=this.pages.length-1:0>t&&(t=0),i>=this.pages[0].length?i=this.pages[0].length-1:0>i&&(i=0);var n=this.pages[t][i].x,r=this.pages[t][i].y;e=e||this.options.snapSpeed||s.max(s.max(s.min(s.abs(n-this.x),1e3),s.min(s.abs(r-this.y),1e3)),300),this.currentPage={x:n,y:r,pageX:t,pageY:i},this.scrollTo(n,r,e,o)},next:function(t,i){var s=this.currentPage.pageX,e=this.currentPage.pageY;s++,s>=this.pages.length&&this.hasVericalScroll&&(s=0,e++),this.goToPage(s,e,t,i)},prev:function(t,i){var s=this.currentPage.pageX,e=this.currentPage.pageY;s--,0>s&&this.hasVericalScroll&&(s=0,e--),this.goToPage(s,e,t,i)},_initKeys:function(){var i,s={pageUp:33,pageDown:34,end:35,home:36,left:37,up:38,right:39,down:40};if("object"==typeof this.options.keyBindings)for(i in this.options.keyBindings)"string"==typeof this.options.keyBindings[i]&&(this.options.keyBindings[i]=this.options.keyBindings[i].toUpperCase().charCodeAt(0));else this.options.keyBindings={};for(i in s)this.options.keyBindings[i]=this.options.keyBindings[i]||s[i];a.addEvent(t,"keydown",this),this.on("destroy",function(){a.removeEvent(t,"keydown",this)})},_key:function(t){var i,e=this.options.snap,o=e?this.currentPage.pageX:this.x,n=e?this.currentPage.pageY:this.y,r=a.getTime(),h=this.keyTime||0,l=.25;switch(this.options.useTransition&&this.isInTransition&&(i=this.getComputedPosition(),this._translate(s.round(i.x),s.round(i.y)),this.isInTransition=!1),this.keyAcceleration=200>r-h?s.min(this.keyAcceleration+l,50):0,t.keyCode){case this.options.keyBindings.pageUp:this.hasHorizontalScroll&&!this.hasVerticalScroll?o+=e?1:this.wrapperWidth:n+=e?1:this.wrapperHeight;break;case this.options.keyBindings.pageDown:this.hasHorizontalScroll&&!this.hasVerticalScroll?o-=e?1:this.wrapperWidth:n-=e?1:this.wrapperHeight;break;case this.options.keyBindings.end:o=e?this.pages.length-1:this.maxScrollX,n=e?this.pages[0].length-1:this.maxScrollY;break;case this.options.keyBindings.home:o=0,n=0;break;case this.options.keyBindings.left:o+=e?-1:5+this.keyAcceleration>>0;break;case this.options.keyBindings.up:n+=e?1:5+this.keyAcceleration>>0;break;case this.options.keyBindings.right:o-=e?-1:5+this.keyAcceleration>>0;break;case this.options.keyBindings.down:n-=e?1:5+this.keyAcceleration>>0}return e?(this.goToPage(o,n),void 0):(o>0?(o=0,this.keyAcceleration=0):o<this.maxScrollX&&(o=this.maxScrollX,this.keyAcceleration=0),n>0?(n=0,this.keyAcceleration=0):n<this.maxScrollY&&(n=this.maxScrollY,this.keyAcceleration=0),this.scrollTo(o,n,0),this.keyTime=r,void 0)},_animate:function(t,i,s,e){function o(){var u,d,m,f=a.getTime();return f>=p?(n.isAnimating=!1,n._translate(t,i),n.resetPosition(n.options.bounceTime),void 0):(f=(f-c)/s,m=e(f),u=(t-r)*m+r,d=(i-l)*m+l,n._translate(u,d),n.isAnimating&&h(o),void 0)}var n=this,r=this.x,l=this.y,c=a.getTime(),p=c+s;this.isAnimating=!0,o()},handleEvent:function(t){switch(t.type){case"touchstart":case"MSPointerDown":case"mousedown":this._start(t);break;case"touchmove":case"MSPointerMove":case"mousemove":this._move(t);break;case"touchend":case"MSPointerUp":case"mouseup":case"touchcancel":case"MSPointerCancel":case"mousecancel":this._end(t);break;case"orientationchange":case"resize":this._resize();break;case"transitionend":case"webkitTransitionEnd":case"oTransitionEnd":case"MSTransitionEnd":this._transitionEnd(t);break;case"DOMMouseScroll":case"mousewheel":this._wheel(t);break;case"keydown":this._key(t)}}},r.prototype={handleEvent:function(t){switch(t.type){case"touchstart":case"MSPointerDown":case"mousedown":this._start(t);break;case"touchmove":case"MSPointerMove":case"mousemove":this._move(t);break;case"touchend":case"MSPointerUp":case"mouseup":case"touchcancel":case"MSPointerCancel":case"mousecancel":this._end(t)}},destroy:function(){this.options.interactive&&(a.removeEvent(this.indicator,"touchstart",this),a.removeEvent(this.indicator,"MSPointerDown",this),a.removeEvent(this.indicator,"mousedown",this),a.removeEvent(t,"touchmove",this),a.removeEvent(t,"MSPointerMove",this),a.removeEvent(t,"mousemove",this),a.removeEvent(t,"touchend",this),a.removeEvent(t,"MSPointerUp",this),a.removeEvent(t,"mouseup",this))},_start:function(i){var s=i.touches?i.touches[0]:i;i.preventDefault(),i.stopPropagation(),this.transitionTime(0),this.initiated=!0,this.lastPointX=s.pageX,this.lastPointY=s.pageY,this.startTime=a.getTime(),a.addEvent(t,"touchmove",this),a.addEvent(t,"MSPointerMove",this),a.addEvent(t,"mousemove",this)},_move:function(t){var i,s,e,o,n=t.touches?t.touches[0]:t;a.getTime(),i=n.pageX-this.lastPointX,this.lastPointX=n.pageX,s=n.pageY-this.lastPointY,this.lastPointY=n.pageY,e=this.x+i,o=this.y+s,this._pos(e,o),t.preventDefault(),t.stopPropagation()},_end:function(i){this.initiated&&(this.initiated=!1,i.preventDefault(),i.stopPropagation(),a.removeEvent(t,"touchmove",this),a.removeEvent(t,"MSPointerMove",this),a.removeEvent(t,"mousemove",this))},transitionTime:function(t){t=t||0,this.indicatorStyle[a.style.transitionDuration]=t+"ms"},transitionTimingFunction:function(t){this.indicatorStyle[a.style.transitionTimingFunction]=t},refresh:function(){this.transitionTime(0),this.indicatorStyle.display=this.options.listenX&&!this.options.listenY?this.scroller.hasHorizontalScroll?"block":"none":this.options.listenY&&!this.options.listenX?this.scroller.hasVerticalScroll?"block":"none":this.scroller.hasHorizontalScroll||this.scroller.hasVerticalScroll?"block":"none",this.scroller.hasHorizontalScroll&&this.scroller.hasVerticalScroll?(a.addClass(this.wrapper,"iScrollBothScrollbars"),a.removeClass(this.wrapper,"iScrollLoneScrollbar"),this.options.defaultScrollbars&&(this.options.listenX?this.wrapper.style.right="8px":this.wrapper.style.bottom="8px")):(a.removeClass(this.wrapper,"iScrollBothScrollbars"),a.addClass(this.wrapper,"iScrollLoneScrollbar"),this.options.defaultScrollbars&&(this.options.listenX?this.wrapper.style.right="2px":this.wrapper.style.bottom="2px")),this.wrapper.offsetHeight,this.options.listenX&&(this.wrapperWidth=this.wrapper.clientWidth,this.options.resize?(this.indicatorWidth=s.max(s.round(this.wrapperWidth*this.wrapperWidth/this.scroller.scrollerWidth),8),this.indicatorStyle.width=this.indicatorWidth+"px"):this.indicatorWidth=this.indicator.clientWidth,this.maxPosX=this.wrapperWidth-this.indicatorWidth,this.sizeRatioX=this.options.speedRatioX||this.scroller.maxScrollX&&this.maxPosX/this.scroller.maxScrollX),this.options.listenY&&(this.wrapperHeight=this.wrapper.clientHeight,this.options.resize?(this.indicatorHeight=s.max(s.round(this.wrapperHeight*this.wrapperHeight/this.scroller.scrollerHeight),8),this.indicatorStyle.height=this.indicatorHeight+"px"):this.indicatorHeight=this.indicator.clientHeight,this.maxPosY=this.wrapperHeight-this.indicatorHeight,this.sizeRatioY=this.options.speedRatioY||this.scroller.maxScrollY&&this.maxPosY/this.scroller.maxScrollY),this.updatePosition()},updatePosition:function(){var t=s.round(this.sizeRatioX*this.scroller.x)||0,i=s.round(this.sizeRatioY*this.scroller.y)||0;this.options.ignoreBoundaries||(0>t?t=0:t>this.maxPosX&&(t=this.maxPosX),0>i?i=0:i>this.maxPosY&&(i=this.maxPosY)),this.x=t,this.y=i,this.scroller.options.useTransform?this.indicatorStyle[a.style.transform]="translate("+t+"px,"+i+"px)"+this.scroller.translateZ:(this.indicatorStyle.left=t+"px",this.indicatorStyle.top=i+"px")},_pos:function(t,i){0>t?t=0:t>this.maxPosX&&(t=this.maxPosX),0>i?i=0:i>this.maxPosY&&(i=this.maxPosY),this.scroller.scrollTo(s.round(t/this.sizeRatioX),s.round(i/this.sizeRatioY))}},o.ease=a.ease,o}(window,document,Math);
\ No newline at end of file
diff --git a/dist/iscroll-probe-min.js b/dist/iscroll-probe-min.js
index a4667e64..a71a6ae5 100644
--- a/dist/iscroll-probe-min.js
+++ b/dist/iscroll-probe-min.js
@@ -1,2 +1,2 @@
-/*! iScroll v5.0.0-beta.1 ~ (c) 2008-2013 Matteo Spinelli ~ http://cubiq.org/license */
-var IScroll=function(t,i,s){function o(t,s){this.wrapper="string"==typeof t?i.querySelector(t):t,this.scroller=this.wrapper.children[0],this.scrollerStyle=this.scroller.style,this.options={resizeIndicator:!0,snapThreshold:10,startX:0,startY:0,scrollY:!0,lockDirection:!0,directionLockThreshold:5,momentum:!0,bounce:!0,bounceTime:600,bounceEasing:"",preventDefault:!0,HWCompositing:!0,useTransition:!0,useTransform:!0};for(var e in s)this.options[e]=s[e];this.translateZ=this.options.HWCompositing&&a.hasPerspective?" translateZ(0)":"",this.options.useTransition=a.hasTransition&&this.options.useTransition,this.options.useTransform=a.hasTransform&&this.options.useTransform,this.options.eventPassthrough=this.options.eventPassthrough===!0?"vertical":this.options.eventPassthrough,this.options.preventDefault=!this.options.eventPassthrough&&this.options.preventDefault,this.options.scrollY="vertical"==this.options.eventPassthrough?!1:this.options.scrollY,this.options.scrollX="horizontal"==this.options.eventPassthrough?!1:this.options.scrollX,this.options.lockDirection=this.options.lockDirection||this.options.eventPassthrough,this.options.directionLockThreshold=this.options.eventPassthrough?0:this.options.directionLockThreshold,this.options.bounceEasing="string"==typeof this.options.bounceEasing?a.ease[this.options.bounceEasing]||a.ease.circular:this.options.bounceEasing,this.options.tap===!0&&(this.options.tap="tap"),this.options.invertWheelDirection=this.options.invertWheelDirection?-1:1,3==this.options.probeType&&(this.options.useTransition=!1),this.x=0,this.y=0,this._events={},this._init(),this.refresh(),this.scrollTo(this.options.startX,this.options.startY),this.enable()}function n(t,s,e){var o=i.createElement("div"),n=i.createElement("div");return e===!0&&(o.style.cssText="position:absolute;z-index:9999",n.style.cssText="-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box;position:absolute;background:rgba(0,0,0,0.5);border:1px solid rgba(255,255,255,0.9);border-radius:3px"),n.className="iScrollIndicator","h"==t?(e===!0&&(o.style.cssText+=";height:7px;left:2px;right:2px;bottom:0",n.style.height="100%"),o.className="iScrollHorizontalScrollbar"):(e===!0&&(o.style.cssText+=";width:7px;bottom:2px;top:2px;right:1px",n.style.width="100%"),o.className="iScrollVerticalScrollbar"),s||(o.style.pointerEvents="none"),o.appendChild(n),o}function r(s,e){this.wrapper="string"==typeof e.el?i.querySelector(e.el):e.el,this.indicator=this.wrapper.children[0],this.indicatorStyle=this.indicator.style,this.scroller=s,this.options={listenX:!0,listenY:!0,interactive:!1,resize:!0,defaultScrollbars:!1,speedRatioX:0,speedRatioY:0};for(var o in e)this.options[o]=e[o];this.sizeRatioX=1,this.sizeRatioY=1,this.maxPosX=0,this.maxPosY=0,this.options.interactive&&(a.addEvent(this.indicator,"touchstart",this),a.addEvent(this.indicator,"MSPointerDown",this),a.addEvent(this.indicator,"mousedown",this),a.addEvent(t,"touchend",this),a.addEvent(t,"MSPointerUp",this),a.addEvent(t,"mouseup",this))}var h=t.requestAnimationFrame||t.webkitRequestAnimationFrame||t.mozRequestAnimationFrame||t.oRequestAnimationFrame||t.msRequestAnimationFrame||function(i){t.setTimeout(i,1e3/60)},a=function(){function o(t){return h===!1?!1:""===h?t:h+t.charAt(0).toUpperCase()+t.substr(1)}var n={},r=i.createElement("div").style,h=function(){for(var t,i=["t","webkitT","MozT","msT","OT"],s=0,e=i.length;e>s;s++)if(t=i[s]+"ransform",t in r)return i[s].substr(0,i[s].length-1);return!1}();n.getTime=Date.now||function(){return(new Date).getTime()},n.extend=function(t,i){for(var s in i)t[s]=i[s]},n.addEvent=function(t,i,s,e){t.addEventListener(i,s,!!e)},n.removeEvent=function(t,i,s,e){t.removeEventListener(i,s,!!e)},n.momentum=function(t,i,e,o,n){var r,h,a=t-i,l=s.abs(a)/e,c=6e-4;return r=t+l*l/(2*c)*(0>a?-1:1),h=l/c,o>r?(r=n?o-n/2.5*(l/8):o,a=s.abs(r-t),h=a/l):r>0&&(r=n?n/2.5*(l/8):0,a=s.abs(t)+r,h=a/l),{destination:s.round(r),duration:h}};var a=o("transform");return n.extend(n,{hasTransform:a!==!1,hasPerspective:o("perspective")in r,hasTouch:"ontouchstart"in t,hasPointer:navigator.msPointerEnabled,hasTransition:o("transition")in r}),n.isAndroidBrowser=/Android/.test(t.navigator.appVersion)&&/Version\/\d/.test(t.navigator.appVersion),n.extend(n.style={},{transform:a,transitionTimingFunction:o("transitionTimingFunction"),transitionDuration:o("transitionDuration"),transformOrigin:o("transformOrigin")}),n.hasClass=function(t,i){var s=new RegExp("(^|\\s)"+i+"(\\s|$)");return s.test(t.className)},n.addClass=function(t,i){if(!n.hasClass(t,i)){var s=t.className.split(" ");s.push(i),t.className=s.join(" ")}},n.removeClass=function(t,i){if(n.hasClass(t,i)){var s=new RegExp("(^|\\s)"+i+"(\\s|$)","g");t.className=t.className.replace(s,"")}},n.offset=function(t){for(var i=-t.offsetLeft,s=-t.offsetTop;t=t.offsetParent;)i-=t.offsetLeft,s-=t.offsetTop;return{left:i,top:s}},n.extend(n.eventType={},{touchstart:1,touchmove:1,touchend:1,mousedown:2,mousemove:2,mouseup:2,MSPointerDown:3,MSPointerMove:3,MSPointerUp:3}),n.extend(n.ease={},{quadratic:{style:"cubic-bezier(0.25, 0.46, 0.45, 0.94)",fn:function(t){return t*(2-t)}},circular:{style:"cubic-bezier(0.1, 0.57, 0.1, 1)",fn:function(t){return s.sqrt(1- --t*t)}},back:{style:"cubic-bezier(0.175, 0.885, 0.32, 1.275)",fn:function(t){var i=4;return(t-=1)*t*((i+1)*t+i)+1}},bounce:{style:"",fn:function(t){return(t/=1)<1/2.75?7.5625*t*t:2/2.75>t?7.5625*(t-=1.5/2.75)*t+.75:2.5/2.75>t?7.5625*(t-=2.25/2.75)*t+.9375:7.5625*(t-=2.625/2.75)*t+.984375}},elastic:{style:"",fn:function(t){return f=.22,e=.4,0===t?0:1==t?1:e*s.pow(2,-10*t)*s.sin((t-f/4)*2*s.PI/f)+1}}}),n.tap=function(t,s){var e=i.createEvent("Event");e.initEvent(s,!0,!0),e.pageX=t.pageX,e.pageY=t.pageY,t.target.dispatchEvent(e)},n.click=function(t){var s,e=t.target;"SELECT"!=e.tagName&&"INPUT"!=e.tagName&&"TEXTAREA"!=e.tagName&&(s=i.createEvent("MouseEvents"),s.initMouseEvent("click",!0,!0,t.view,1,e.screenX,e.screenY,e.clientX,e.clientY,t.ctrlKey,t.altKey,t.shiftKey,t.metaKey,0,null),s._constructed=!0,e.dispatchEvent(s))},n}();return o.prototype={version:"5.0.0-beta.1",_init:function(){this._initEvents(),(this.options.scrollbars||this.options.indicators)&&this._initIndicators(),this.options.mouseWheel&&this._initWheel(),this.options.snap&&this._initSnap(),this.options.keyBindings&&this._initKeys()},destroy:function(){this._initEvents(!0),this._execEvent("destroy")},_transitionEnd:function(t){t.target==this.scroller&&(this._transitionTime(0),this.resetPosition(this.options.bounceTime)||this._execEvent("scrollEnd"))},_start:function(t){if(this.enabled&&(!this.initiated||a.eventType[t.type]===this.initiated)){this.options.preventDefault&&!a.isAndroidBrowser&&t.preventDefault();var i,e=t.touches?t.touches[0]:t;this.initiated=a.eventType[t.type],this.moved=!1,this.distX=0,this.distY=0,this.directionX=0,this.directionY=0,this.directionLocked=0,this._transitionTime(),this.isAnimating=!1,this.startTime=a.getTime(),this.options.useTransition&&this.isInTransition&&(i=this.getComputedPosition(),this._translate(s.round(i.x),s.round(i.y)),this.isInTransition=!1),this.startX=this.x,this.startY=this.y,this.absStartX=this.x,this.absStartY=this.y,this.pointX=e.pageX,this.pointY=e.pageY,this._execEvent("scrollStart")}},_move:function(t){if(this.enabled&&a.eventType[t.type]===this.initiated){this.options.preventDefault&&t.preventDefault();var i,e,o,n,r=t.touches?t.touches[0]:t,h=r.pageX-this.pointX,l=r.pageY-this.pointY,c=a.getTime();if(this.pointX=r.pageX,this.pointY=r.pageY,this.distX+=h,this.distY+=l,o=s.abs(this.distX),n=s.abs(this.distY),!(c-this.endTime>300&&10>o&&10>n)){if(!this.directionLocked&&this.options.lockDirection&&(this.directionLocked=o>n+this.options.directionLockThreshold?"h":n>=o+this.options.directionLockThreshold?"v":0),"h"==this.directionLocked){if("vertical"==this.options.eventPassthrough)t.preventDefault();else if("horizontal"==this.options.eventPassthrough)return this.initiated=!1,void 0;l=0}else if("v"==this.directionLocked){if("horizontal"==this.options.eventPassthrough)t.preventDefault();else if("vertical"==this.options.eventPassthrough)return this.initiated=!1,void 0;h=0}i=this.x+(this.hasHorizontalScroll?h:0),e=this.y+(this.hasVerticalScroll?l:0),(i>0||i<this.maxScrollX)&&(i=this.options.bounce?this.x+h/3:i>0?0:this.maxScrollX),(e>0||e<this.maxScrollY)&&(e=this.options.bounce?this.y+l/3:e>0?0:this.maxScrollY),this.directionX=h>0?-1:0>h?1:0,this.directionY=l>0?-1:0>l?1:0,this.moved=!0,this._translate(i,e),c-this.startTime>300&&(this.startTime=c,this.startX=this.x,this.startY=this.y,1==this.options.probeType&&this._execEvent("scroll")),this.options.probeType>1&&this._execEvent("scroll")}}},_end:function(t){if(this.enabled&&a.eventType[t.type]===this.initiated){this.options.preventDefault&&t.preventDefault();var i,e,o=(t.changedTouches?t.changedTouches[0]:t,a.getTime()-this.startTime),n=s.round(this.x),r=s.round(this.y),h=0,l="";if(this.isInTransition=0,this.initiated=0,this.endTime=a.getTime(),!this.resetPosition(this.options.bounceTime)){if(!this.moved)return this.options.tap&&a.tap(t,this.options.tap),this.options.click&&a.click(t),void 0;if(this.options.momentum&&300>o&&(i=this.hasHorizontalScroll?a.momentum(this.x,this.startX,o,this.maxScrollX,this.options.bounce?this.wrapperWidth:0):{destination:n,duration:0},e=this.hasVerticalScroll?a.momentum(this.y,this.startY,o,this.maxScrollY,this.options.bounce?this.wrapperHeight:0):{destination:r,duration:0},n=i.destination,r=e.destination,h=s.max(i.duration,e.duration),this.isInTransition=1),this.options.snap){var c=this._nearestSnap(n,r);this.currentPage=c,n=c.x,r=c.y,h=this.options.snapSpeed||s.max(s.max(s.min(s.abs(n-this.x),1e3),s.min(s.abs(r-this.y),1e3)),300),l=this.options.bounceEasing}return n!=this.x||r!=this.y?((n>0||n<this.maxScrollX||r>0||r<this.maxScrollY)&&(l=a.ease.quadratic),this.scrollTo(n,r,h,l),void 0):(this._execEvent("scrollEnd"),void 0)}}},_resize:function(){var t=this;clearTimeout(this.resizeTimeout),this.resizeTimeout=setTimeout(function(){t.refresh(),t.resetPosition()},60)},resetPosition:function(t){if(this.x<=0&&this.x>=this.maxScrollX&&this.y<=0&&this.y>=this.maxScrollY)return!1;var i=this.x,s=this.y;return t=t||0,!this.hasHorizontalScroll||this.x>0?i=0:this.x<this.maxScrollX&&(i=this.maxScrollX),!this.hasVerticalScroll||this.y>0?s=0:this.y<this.maxScrollY&&(s=this.maxScrollY),this.scrollTo(i,s,t,this.options.bounceEasing),!0},disable:function(){this.enabled=!1},enable:function(){this.enabled=!0},refresh:function(){this.wrapper.offsetHeight,this.wrapperWidth=this.wrapper.clientWidth,this.wrapperHeight=this.wrapper.clientHeight,this.scrollerWidth=this.scroller.offsetWidth,this.scrollerHeight=this.scroller.offsetHeight,this.maxScrollX=this.wrapperWidth-this.scrollerWidth,this.maxScrollY=this.wrapperHeight-this.scrollerHeight,this.maxScrollX>0&&(this.maxScrollX=0),this.maxScrollY>0&&(this.maxScrollY=0),this.hasHorizontalScroll=this.options.scrollX&&this.maxScrollX<0,this.hasVerticalScroll=this.options.scrollY&&this.maxScrollY<0,this.endTime=0,this.wrapperOffset=a.offset(this.wrapper),this._execEvent("refresh")},on:function(t,i){this._events[t]||(this._events[t]=[]),this._events[t].push(i)},_execEvent:function(t){if(this._events[t]){var i=0,s=this._events[t].length;if(s)for(;s>i;i++)this._events[t][i].call(this)}},scrollBy:function(t,i,s,e){t=this.x+t,i=this.y+i,s=s||0,this.scrollTo(t,i,s,e)},scrollTo:function(t,i,s,e){e=e||a.ease.circular,!s||this.options.useTransition&&e.style?(this._transitionTimingFunction(e.style),this._transitionTime(s),this._translate(t,i)):this._animate(t,i,s,e.fn)},scrollToElement:function(t,i,e,o,n){if(t=t.nodeType?t:this.scroller.querySelector(t)){var r=a.offset(t);r.left-=this.wrapperOffset.left,r.top-=this.wrapperOffset.top,e===!0&&(e=s.round(t.offsetWidth/2-this.wrapper.offsetWidth/2)),o===!0&&(o=s.round(t.offsetHeight/2-this.wrapper.offsetHeight/2)),r.left-=e||0,r.top-=o||0,r.left=r.left>0?0:r.left<this.maxScrollX?this.maxScrollX:r.left,r.top=r.top>0?0:r.top<this.maxScrollY?this.maxScrollY:r.top,i=s.max(2*s.abs(r.left),2*s.abs(r.top)),this.scrollTo(r.left,r.top,i,n)}},_transitionTime:function(t){t=t||0,this.scrollerStyle[a.style.transitionDuration]=t+"ms",this.indicator1&&this.indicator1.transitionTime(t),this.indicator2&&this.indicator2.transitionTime(t)},_transitionTimingFunction:function(t){this.scrollerStyle[a.style.transitionTimingFunction]=t,this.indicator1&&this.indicator1.transitionTimingFunction(t),this.indicator2&&this.indicator2.transitionTimingFunction(t)},_translate:function(t,i){this.options.useTransform?this.scrollerStyle[a.style.transform]="translate("+t+"px,"+i+"px)"+this.translateZ:(t=s.round(t),i=s.round(i),this.scrollerStyle.left=t+"px",this.scrollerStyle.top=i+"px"),this.x=t,this.y=i,this.indicator1&&this.indicator1.updatePosition(),this.indicator2&&this.indicator2.updatePosition()},_initEvents:function(i){var s=i?a.removeEvent:a.addEvent,e=this.options.bindToWrapper?this.wrapper:t;s(t,"orientationchange",this),s(t,"resize",this),s(this.wrapper,"mousedown",this),s(e,"mousemove",this),s(e,"mousecancel",this),s(e,"mouseup",this),a.hasPointer&&(s(this.wrapper,"MSPointerDown",this),s(e,"MSPointerMove",this),s(e,"MSPointerCancel",this),s(e,"MSPointerUp",this)),a.hasTouch&&(s(this.wrapper,"touchstart",this),s(e,"touchmove",this),s(e,"touchcancel",this),s(e,"touchend",this)),s(this.scroller,"transitionend",this),s(this.scroller,"webkitTransitionEnd",this),s(this.scroller,"oTransitionEnd",this),s(this.scroller,"MSTransitionEnd",this)},getComputedPosition:function(){var i,s,e=t.getComputedStyle(this.scroller,null);return this.options.useTransform?(e=e[a.style.transform].split(")")[0].split(", "),i=+(e[12]||e[4]),s=+(e[13]||e[5])):(i=+e.left.replace(/[^-\d]/g,""),s=+e.top.replace(/[^-\d]/g,"")),{x:i,y:s}},_initIndicators:function(){var t,i,s=this.options.interactiveScrollbars;"object"!=typeof this.options.scrollbars,this.options.scrollbars?(this.options.scrollY&&(t={el:n("v",s,this.options.scrollbars),interactive:s,defaultScrollbars:!0,resize:this.options.resizeIndicator,listenX:!1},this.wrapper.appendChild(t.el)),this.options.scrollX&&(i={el:n("h",s,this.options.scrollbars),interactive:s,defaultScrollbars:!0,resize:this.options.resizeIndicator,listenY:!1},this.wrapper.appendChild(i.el))):(t=this.options.indicators.length?this.options.indicators[0]:this.options.indicators,i=this.options.indicators[1]&&this.options.indicators[1]),t&&(this.indicator1=new r(this,t)),i&&(this.indicator2=new r(this,i)),this.on("refresh",function(){this.indicator1&&this.indicator1.refresh(),this.indicator2&&this.indicator2.refresh()}),this.on("destroy",function(){this.indicator1&&this.indicator1.destroy(),this.indicator2&&this.indicator2.destroy()})},_initWheel:function(){a.addEvent(this.wrapper,"mousewheel",this),a.addEvent(this.wrapper,"DOMMouseScroll",this),this.on("destroy",function(){a.removeEvent(this.wrapper,"mousewheel",this),a.removeEvent(this.wrapper,"DOMMouseScroll",this)})},_wheel:function(t){var i,s,e,o,n=this;if(clearTimeout(this.wheelTimeout),this.wheelTimeout=setTimeout(function(){n._execEvent("scrollEnd")},400),t.preventDefault(),"wheelDeltaX"in t)i=t.wheelDeltaX/120,s=t.wheelDeltaY/120;else if("wheelDelta"in t)i=s=t.wheelDelta/120;else{if(!("detail"in t))return;i=s=-t.detail/3}i*=10,s*=10,this.hasVerticalScroll||(i=s),e=this.x+(this.hasHorizontalScroll?i*this.options.invertWheelDirection:0),o=this.y+(this.hasVerticalScroll?s*this.options.invertWheelDirection:0),e>0?e=0:e<this.maxScrollX&&(e=this.maxScrollX),o>0?o=0:o<this.maxScrollY&&(o=this.maxScrollY),this.scrollTo(e,o,0),this.options.probeType>1&&this._execEvent("scroll")},_initSnap:function(){this.pages=[],this.currentPage={},this.on("refresh",function(){var t,i,e,o,n,r,h=0,a=0,l=0,c=this.options.snapStepX||this.wrapperWidth,p=this.options.snapStepY||this.wrapperHeight;if(this.options.snap===!0)for(e=s.round(c/2),o=s.round(p/2);l>=-this.scrollerWidth;){for(this.pages[h]=[],t=0,n=0;n>=-this.scrollerHeight;)this.pages[h][t]={x:s.max(l,this.maxScrollX),y:s.max(n,this.maxScrollY),cx:l-e,cy:n-o},n-=p,t++;l-=c,h++}else for(r=this.options.snap,t=r.length,i=-1;t>h;h++)0===r[h].offsetLeft&&(a=0,i++),this.pages[a]||(this.pages[a]=[]),l=s.max(-r[h].offsetLeft,this.maxScrollX),n=s.max(-r[h].offsetTop,this.maxScrollY),e=l-s.round(r[h].offsetWidth/2),o=n-s.round(r[h].offsetHeight/2),this.pages[a][i]={x:l,y:n,cx:e,cy:o},a++;this.currentPage={x:this.pages[0][0].x,y:this.pages[0][0].y,pageX:0,pageY:0}})},_nearestSnap:function(t,i){var e=0,o=this.pages.length,n=0;if(s.abs(t-this.absStartX)<this.options.snapThreshold&&s.abs(i-this.absStartY)<this.options.snapThreshold)return this.currentPage;for(;o>e;e++)if(t>=this.pages[e][0].cx){t=this.pages[e][0].x;break}for(o=this.pages[e].length;o>n;n++)if(i>=this.pages[0][n].cy){i=this.pages[0][n].y;break}return e==this.currentPage.pageX&&(e+=this.directionX,0>e?e=0:e>=this.pages.length&&(e=this.pages.length-1),t=this.pages[e][0].x),n==this.currentPage.pageY&&(n+=this.directionY,0>n?n=0:n>=this.pages[0].length&&(n=this.pages[0].length-1),i=this.pages[0][n].y),{x:t,y:i,pageX:e,pageY:n}},goToPage:function(t,i,e,o){t>=this.pages.length?t=this.pages.length-1:0>t&&(t=0),i>=this.pages[0].length?i=this.pages[0].length-1:0>i&&(i=0);var n=this.pages[t][i].x,r=this.pages[t][i].y;e=e||this.options.snapSpeed||s.max(s.max(s.min(s.abs(n-this.x),1e3),s.min(s.abs(r-this.y),1e3)),300),this.currentPage={x:n,y:r,pageX:t,pageY:i},this.scrollTo(n,r,e,o)},next:function(t,i){var s=this.currentPage.pageX,e=this.currentPage.pageY;s+=this.hasHorizontalScroll?1:0,e+=this.hasVericalScroll?1:0,this.goToPage(s,e,t,i)},prev:function(t,i){var s=this.currentPage.pageX,e=this.currentPage.pageY;s-=this.hasHorizontalScroll?1:0,e-=this.hasVericalScroll?1:0,this.goToPage(s,e,t,i)},_initKeys:function(){var i,s={pageUp:33,pageDown:34,end:35,home:36,left:37,up:38,right:39,down:40};if("object"==typeof this.options.keyBindings)for(i in this.options.keyBindings)"string"==typeof this.options.keyBindings[i]&&(this.options.keyBindings[i]=this.options.keyBindings[i].toUpperCase().charCodeAt(0));else this.options.keyBindings={};for(i in s)this.options.keyBindings[i]=this.options.keyBindings[i]||s[i];a.addEvent(t,"keydown",this),this.on("destroy",function(){a.removeEvent(t,"keydown",this)})},_key:function(t){var i,e=this.options.snap,o=e?this.currentPage.pageX:this.x,n=e?this.currentPage.pageY:this.y,r=a.getTime(),h=this.keyTime||0,l=.25;switch(this.options.useTransition&&this.isInTransition&&(i=this.getComputedPosition(),this._translate(s.round(i.x),s.round(i.y)),this.isInTransition=!1),this.keyAcceleration=200>r-h?s.min(this.keyAcceleration+l,50):0,t.keyCode){case this.options.keyBindings.pageUp:this.hasHorizontalScroll&&!this.hasVerticalScroll?o+=e?1:this.wrapperWidth:n+=e?1:this.wrapperHeight;break;case this.options.keyBindings.pageDown:this.hasHorizontalScroll&&!this.hasVerticalScroll?o-=e?1:this.wrapperWidth:n-=e?1:this.wrapperHeight;break;case this.options.keyBindings.end:o=e?this.pages.length-1:this.maxScrollX,n=e?this.pages[0].length-1:this.maxScrollY;break;case this.options.keyBindings.home:o=0,n=0;break;case this.options.keyBindings.left:o+=e?-1:5+this.keyAcceleration>>0;break;case this.options.keyBindings.up:n+=e?1:5+this.keyAcceleration>>0;break;case this.options.keyBindings.right:o-=e?-1:5+this.keyAcceleration>>0;break;case this.options.keyBindings.down:n-=e?1:5+this.keyAcceleration>>0}return e?(this.goToPage(o,n),void 0):(o>0?(o=0,this.keyAcceleration=0):o<this.maxScrollX&&(o=this.maxScrollX,this.keyAcceleration=0),n>0?(n=0,this.keyAcceleration=0):n<this.maxScrollY&&(n=this.maxScrollY,this.keyAcceleration=0),this.scrollTo(o,n,0),this.keyTime=r,void 0)},_animate:function(t,i,s,e){function o(){var u,d,m,f=a.getTime();return f>=p?(n.isAnimating=!1,n._translate(t,i),n.resetPosition(n.options.bounceTime)||n._execEvent("scrollEnd"),void 0):(f=(f-c)/s,m=e(f),u=(t-r)*m+r,d=(i-l)*m+l,n._translate(u,d),n.isAnimating&&h(o),3==n.options.probeType&&n._execEvent("scroll"),void 0)}var n=this,r=this.x,l=this.y,c=a.getTime(),p=c+s;this.isAnimating=!0,o()},handleEvent:function(t){switch(t.type){case"touchstart":case"MSPointerDown":case"mousedown":this._start(t);break;case"touchmove":case"MSPointerMove":case"mousemove":this._move(t);break;case"touchend":case"MSPointerUp":case"mouseup":case"touchcancel":case"MSPointerCancel":case"mousecancel":this._end(t);break;case"orientationchange":case"resize":this._resize();break;case"transitionend":case"webkitTransitionEnd":case"oTransitionEnd":case"MSTransitionEnd":this._transitionEnd(t);break;case"DOMMouseScroll":case"mousewheel":this._wheel(t);break;case"keydown":this._key(t)}}},r.prototype={handleEvent:function(t){switch(t.type){case"touchstart":case"MSPointerDown":case"mousedown":this._start(t);break;case"touchmove":case"MSPointerMove":case"mousemove":this._move(t);break;case"touchend":case"MSPointerUp":case"mouseup":case"touchcancel":case"MSPointerCancel":case"mousecancel":this._end(t)}},destroy:function(){this.options.interactive&&(a.removeEvent(this.indicator,"touchstart",this),a.removeEvent(this.indicator,"MSPointerDown",this),a.removeEvent(this.indicator,"mousedown",this),a.removeEvent(t,"touchmove",this),a.removeEvent(t,"MSPointerMove",this),a.removeEvent(t,"mousemove",this),a.removeEvent(t,"touchend",this),a.removeEvent(t,"MSPointerUp",this),a.removeEvent(t,"mouseup",this))},_start:function(i){var s=i.touches?i.touches[0]:i;i.preventDefault(),i.stopPropagation(),this.transitionTime(0),this.initiated=!0,this.lastPointX=s.pageX,this.lastPointY=s.pageY,this.startTime=a.getTime(),a.addEvent(t,"touchmove",this),a.addEvent(t,"MSPointerMove",this),a.addEvent(t,"mousemove",this)},_move:function(t){var i,s,e,o,n=t.touches?t.touches[0]:t;a.getTime(),i=n.pageX-this.lastPointX,this.lastPointX=n.pageX,s=n.pageY-this.lastPointY,this.lastPointY=n.pageY,e=this.x+i,o=this.y+s,this._pos(e,o),t.preventDefault(),t.stopPropagation()},_end:function(i){this.initiated&&(this.initiated=!1,i.preventDefault(),i.stopPropagation(),a.removeEvent(t,"touchmove",this),a.removeEvent(t,"MSPointerMove",this),a.removeEvent(t,"mousemove",this))},transitionTime:function(t){t=t||0,this.indicatorStyle[a.style.transitionDuration]=t+"ms"},transitionTimingFunction:function(t){this.indicatorStyle[a.style.transitionTimingFunction]=t},refresh:function(){this.transitionTime(0),this.indicatorStyle.display=this.options.listenX&&!this.options.listenY?this.scroller.hasHorizontalScroll?"block":"none":this.options.listenY&&!this.options.listenX?this.scroller.hasVerticalScroll?"block":"none":this.scroller.hasHorizontalScroll||this.scroller.hasVerticalScroll?"block":"none",this.scroller.hasHorizontalScroll&&this.scroller.hasVerticalScroll?(a.addClass(this.wrapper,"iScrollBothScrollbars"),a.removeClass(this.wrapper,"iScrollLoneScrollbar"),this.options.defaultScrollbars&&(this.options.listenX?this.wrapper.style.right="8px":this.wrapper.style.bottom="8px")):(a.removeClass(this.wrapper,"iScrollBothScrollbars"),a.addClass(this.wrapper,"iScrollLoneScrollbar"),this.options.defaultScrollbars&&(this.options.listenX?this.wrapper.style.right="2px":this.wrapper.style.bottom="2px")),this.wrapper.offsetHeight,this.options.listenX&&(this.wrapperWidth=this.wrapper.clientWidth,this.options.resize?(this.indicatorWidth=s.max(s.round(this.wrapperWidth*this.wrapperWidth/this.scroller.scrollerWidth),8),this.indicatorStyle.width=this.indicatorWidth+"px"):this.indicatorWidth=this.indicator.clientWidth,this.maxPosX=this.wrapperWidth-this.indicatorWidth,this.sizeRatioX=this.options.speedRatioX||this.scroller.maxScrollX&&this.maxPosX/this.scroller.maxScrollX),this.options.listenY&&(this.wrapperHeight=this.wrapper.clientHeight,this.options.resize?(this.indicatorHeight=s.max(s.round(this.wrapperHeight*this.wrapperHeight/this.scroller.scrollerHeight),8),this.indicatorStyle.height=this.indicatorHeight+"px"):this.indicatorHeight=this.indicator.clientHeight,this.maxPosY=this.wrapperHeight-this.indicatorHeight,this.sizeRatioY=this.options.speedRatioY||this.scroller.maxScrollY&&this.maxPosY/this.scroller.maxScrollY),this.updatePosition()},updatePosition:function(){var t=s.round(this.sizeRatioX*this.scroller.x)||0,i=s.round(this.sizeRatioY*this.scroller.y)||0;this.options.ignoreBoundaries||(0>t?t=0:t>this.maxPosX&&(t=this.maxPosX),0>i?i=0:i>this.maxPosY&&(i=this.maxPosY)),this.x=t,this.y=i,this.scroller.options.useTransform?this.indicatorStyle[a.style.transform]="translate("+t+"px,"+i+"px)"+this.scroller.translateZ:(this.indicatorStyle.left=t+"px",this.indicatorStyle.top=i+"px")},_pos:function(t,i){0>t?t=0:t>this.maxPosX&&(t=this.maxPosX),0>i?i=0:i>this.maxPosY&&(i=this.maxPosY),this.scroller.scrollTo(s.round(t/this.sizeRatioX),s.round(i/this.sizeRatioY))}},o.ease=a.ease,o}(window,document,Math);
\ No newline at end of file
+/*! iScroll v5.0.0-beta.2 ~ (c) 2008-2013 Matteo Spinelli ~ http://cubiq.org/license */
+var IScroll=function(t,i,s){function o(t,s){this.wrapper="string"==typeof t?i.querySelector(t):t,this.scroller=this.wrapper.children[0],this.scrollerStyle=this.scroller.style,this.options={resizeIndicator:!0,snapThreshold:10,startX:0,startY:0,scrollY:!0,directionLockThreshold:5,momentum:!0,bounce:!0,bounceTime:600,bounceEasing:"",preventDefault:!0,HWCompositing:!0,useTransition:!0,useTransform:!0};for(var e in s)this.options[e]=s[e];this.translateZ=this.options.HWCompositing&&a.hasPerspective?" translateZ(0)":"",this.options.useTransition=a.hasTransition&&this.options.useTransition,this.options.useTransform=a.hasTransform&&this.options.useTransform,this.options.eventPassthrough=this.options.eventPassthrough===!0?"vertical":this.options.eventPassthrough,this.options.preventDefault=!this.options.eventPassthrough&&this.options.preventDefault,this.options.scrollY="vertical"==this.options.eventPassthrough?!1:this.options.scrollY,this.options.scrollX="horizontal"==this.options.eventPassthrough?!1:this.options.scrollX,this.options.freeScroll=this.options.freeScroll&&!this.options.eventPassthrough,this.options.directionLockThreshold=this.options.eventPassthrough?0:this.options.directionLockThreshold,this.options.bounceEasing="string"==typeof this.options.bounceEasing?a.ease[this.options.bounceEasing]||a.ease.circular:this.options.bounceEasing,this.options.tap===!0&&(this.options.tap="tap"),this.options.invertWheelDirection=this.options.invertWheelDirection?-1:1,3==this.options.probeType&&(this.options.useTransition=!1),this.x=0,this.y=0,this._events={},this._init(),this.refresh(),this.scrollTo(this.options.startX,this.options.startY),this.enable()}function n(t,s,e){var o=i.createElement("div"),n=i.createElement("div");return e===!0&&(o.style.cssText="position:absolute;z-index:9999",n.style.cssText="-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box;position:absolute;background:rgba(0,0,0,0.5);border:1px solid rgba(255,255,255,0.9);border-radius:3px"),n.className="iScrollIndicator","h"==t?(e===!0&&(o.style.cssText+=";height:7px;left:2px;right:2px;bottom:0",n.style.height="100%"),o.className="iScrollHorizontalScrollbar"):(e===!0&&(o.style.cssText+=";width:7px;bottom:2px;top:2px;right:1px",n.style.width="100%"),o.className="iScrollVerticalScrollbar"),s||(o.style.pointerEvents="none"),o.appendChild(n),o}function r(s,e){this.wrapper="string"==typeof e.el?i.querySelector(e.el):e.el,this.indicator=this.wrapper.children[0],this.indicatorStyle=this.indicator.style,this.scroller=s,this.options={listenX:!0,listenY:!0,interactive:!1,resize:!0,defaultScrollbars:!1,speedRatioX:0,speedRatioY:0};for(var o in e)this.options[o]=e[o];this.sizeRatioX=1,this.sizeRatioY=1,this.maxPosX=0,this.maxPosY=0,this.options.interactive&&(a.addEvent(this.indicator,"touchstart",this),a.addEvent(this.indicator,"MSPointerDown",this),a.addEvent(this.indicator,"mousedown",this),a.addEvent(t,"touchend",this),a.addEvent(t,"MSPointerUp",this),a.addEvent(t,"mouseup",this))}var h=t.requestAnimationFrame||t.webkitRequestAnimationFrame||t.mozRequestAnimationFrame||t.oRequestAnimationFrame||t.msRequestAnimationFrame||function(i){t.setTimeout(i,1e3/60)},a=function(){function o(t){return h===!1?!1:""===h?t:h+t.charAt(0).toUpperCase()+t.substr(1)}var n={},r=i.createElement("div").style,h=function(){for(var t,i=["t","webkitT","MozT","msT","OT"],s=0,e=i.length;e>s;s++)if(t=i[s]+"ransform",t in r)return i[s].substr(0,i[s].length-1);return!1}();n.getTime=Date.now||function(){return(new Date).getTime()},n.extend=function(t,i){for(var s in i)t[s]=i[s]},n.addEvent=function(t,i,s,e){t.addEventListener(i,s,!!e)},n.removeEvent=function(t,i,s,e){t.removeEventListener(i,s,!!e)},n.momentum=function(t,i,e,o,n){var r,h,a=t-i,l=s.abs(a)/e,c=6e-4;return r=t+l*l/(2*c)*(0>a?-1:1),h=l/c,o>r?(r=n?o-n/2.5*(l/8):o,a=s.abs(r-t),h=a/l):r>0&&(r=n?n/2.5*(l/8):0,a=s.abs(t)+r,h=a/l),{destination:s.round(r),duration:h}};var a=o("transform");return n.extend(n,{hasTransform:a!==!1,hasPerspective:o("perspective")in r,hasTouch:"ontouchstart"in t,hasPointer:navigator.msPointerEnabled,hasTransition:o("transition")in r}),n.isAndroidBrowser=/Android/.test(t.navigator.appVersion)&&/Version\/\d/.test(t.navigator.appVersion),n.extend(n.style={},{transform:a,transitionTimingFunction:o("transitionTimingFunction"),transitionDuration:o("transitionDuration"),transformOrigin:o("transformOrigin")}),n.hasClass=function(t,i){var s=new RegExp("(^|\\s)"+i+"(\\s|$)");return s.test(t.className)},n.addClass=function(t,i){if(!n.hasClass(t,i)){var s=t.className.split(" ");s.push(i),t.className=s.join(" ")}},n.removeClass=function(t,i){if(n.hasClass(t,i)){var s=new RegExp("(^|\\s)"+i+"(\\s|$)","g");t.className=t.className.replace(s,"")}},n.offset=function(t){for(var i=-t.offsetLeft,s=-t.offsetTop;t=t.offsetParent;)i-=t.offsetLeft,s-=t.offsetTop;return{left:i,top:s}},n.extend(n.eventType={},{touchstart:1,touchmove:1,touchend:1,mousedown:2,mousemove:2,mouseup:2,MSPointerDown:3,MSPointerMove:3,MSPointerUp:3}),n.extend(n.ease={},{quadratic:{style:"cubic-bezier(0.25, 0.46, 0.45, 0.94)",fn:function(t){return t*(2-t)}},circular:{style:"cubic-bezier(0.1, 0.57, 0.1, 1)",fn:function(t){return s.sqrt(1- --t*t)}},back:{style:"cubic-bezier(0.175, 0.885, 0.32, 1.275)",fn:function(t){var i=4;return(t-=1)*t*((i+1)*t+i)+1}},bounce:{style:"",fn:function(t){return(t/=1)<1/2.75?7.5625*t*t:2/2.75>t?7.5625*(t-=1.5/2.75)*t+.75:2.5/2.75>t?7.5625*(t-=2.25/2.75)*t+.9375:7.5625*(t-=2.625/2.75)*t+.984375}},elastic:{style:"",fn:function(t){return f=.22,e=.4,0===t?0:1==t?1:e*s.pow(2,-10*t)*s.sin((t-f/4)*2*s.PI/f)+1}}}),n.tap=function(t,s){var e=i.createEvent("Event");e.initEvent(s,!0,!0),e.pageX=t.pageX,e.pageY=t.pageY,t.target.dispatchEvent(e)},n.click=function(t){var s,e=t.target;"SELECT"!=e.tagName&&"INPUT"!=e.tagName&&"TEXTAREA"!=e.tagName&&(s=i.createEvent("MouseEvents"),s.initMouseEvent("click",!0,!0,t.view,1,e.screenX,e.screenY,e.clientX,e.clientY,t.ctrlKey,t.altKey,t.shiftKey,t.metaKey,0,null),s._constructed=!0,e.dispatchEvent(s))},n}();return o.prototype={version:"5.0.0-beta.2",_init:function(){this._initEvents(),(this.options.scrollbars||this.options.indicators)&&this._initIndicators(),this.options.mouseWheel&&this._initWheel(),this.options.snap&&this._initSnap(),this.options.keyBindings&&this._initKeys()},destroy:function(){this._initEvents(!0),this._execEvent("destroy")},_transitionEnd:function(t){t.target==this.scroller&&(this._transitionTime(0),this.resetPosition(this.options.bounceTime)||this._execEvent("scrollEnd"))},_start:function(t){if(this.enabled&&(!this.initiated||a.eventType[t.type]===this.initiated)){this.options.preventDefault&&!a.isAndroidBrowser&&t.preventDefault();var i,e=t.touches?t.touches[0]:t;this.initiated=a.eventType[t.type],this.moved=!1,this.distX=0,this.distY=0,this.directionX=0,this.directionY=0,this.directionLocked=0,this._transitionTime(),this.isAnimating=!1,this.startTime=a.getTime(),this.options.useTransition&&this.isInTransition&&(i=this.getComputedPosition(),this._translate(s.round(i.x),s.round(i.y)),this.isInTransition=!1),this.startX=this.x,this.startY=this.y,this.absStartX=this.x,this.absStartY=this.y,this.pointX=e.pageX,this.pointY=e.pageY,this._execEvent("scrollStart")}},_move:function(t){if(this.enabled&&a.eventType[t.type]===this.initiated){this.options.preventDefault&&t.preventDefault();var i,e,o,n,r=t.touches?t.touches[0]:t,h=r.pageX-this.pointX,l=r.pageY-this.pointY,c=a.getTime();if(this.pointX=r.pageX,this.pointY=r.pageY,this.distX+=h,this.distY+=l,o=s.abs(this.distX),n=s.abs(this.distY),!(c-this.endTime>300&&10>o&&10>n)){if(this.directionLocked||this.options.freeScroll||(this.directionLocked=o>n+this.options.directionLockThreshold?"h":n>=o+this.options.directionLockThreshold?"v":"n"),"h"==this.directionLocked){if("vertical"==this.options.eventPassthrough)t.preventDefault();else if("horizontal"==this.options.eventPassthrough)return this.initiated=!1,void 0;l=0}else if("v"==this.directionLocked){if("horizontal"==this.options.eventPassthrough)t.preventDefault();else if("vertical"==this.options.eventPassthrough)return this.initiated=!1,void 0;h=0}i=this.x+(this.hasHorizontalScroll?h:0),e=this.y+(this.hasVerticalScroll?l:0),(i>0||i<this.maxScrollX)&&(i=this.options.bounce?this.x+h/3:i>0?0:this.maxScrollX),(e>0||e<this.maxScrollY)&&(e=this.options.bounce?this.y+l/3:e>0?0:this.maxScrollY),this.directionX=h>0?-1:0>h?1:0,this.directionY=l>0?-1:0>l?1:0,this.moved=!0,this._translate(i,e),c-this.startTime>300&&(this.startTime=c,this.startX=this.x,this.startY=this.y,1==this.options.probeType&&this._execEvent("scroll")),this.options.probeType>1&&this._execEvent("scroll")}}},_end:function(t){if(this.enabled&&a.eventType[t.type]===this.initiated){this.options.preventDefault&&t.preventDefault();var i,e,o=(t.changedTouches?t.changedTouches[0]:t,a.getTime()-this.startTime),n=s.round(this.x),r=s.round(this.y),h=0,l="";if(this.scrollTo(n,r),this.isInTransition=0,this.initiated=0,this.endTime=a.getTime(),!this.resetPosition(this.options.bounceTime)){if(!this.moved)return this.options.tap&&a.tap(t,this.options.tap),this.options.click&&a.click(t),void 0;if(this.options.momentum&&300>o&&(i=this.hasHorizontalScroll?a.momentum(this.x,this.startX,o,this.maxScrollX,this.options.bounce?this.wrapperWidth:0):{destination:n,duration:0},e=this.hasVerticalScroll?a.momentum(this.y,this.startY,o,this.maxScrollY,this.options.bounce?this.wrapperHeight:0):{destination:r,duration:0},n=i.destination,r=e.destination,h=s.max(i.duration,e.duration),this.isInTransition=1),this.options.snap){var c=this._nearestSnap(n,r);this.currentPage=c,n=c.x,r=c.y,h=this.options.snapSpeed||s.max(s.max(s.min(s.abs(n-this.x),1e3),s.min(s.abs(r-this.y),1e3)),300),l=this.options.bounceEasing}return n!=this.x||r!=this.y?((n>0||n<this.maxScrollX||r>0||r<this.maxScrollY)&&(l=a.ease.quadratic),this.scrollTo(n,r,h,l),void 0):(this._execEvent("scrollEnd"),void 0)}}},_resize:function(){var t=this;clearTimeout(this.resizeTimeout),this.resizeTimeout=setTimeout(function(){t.refresh(),t.resetPosition()},60)},resetPosition:function(t){if(this.x<=0&&this.x>=this.maxScrollX&&this.y<=0&&this.y>=this.maxScrollY)return!1;var i=this.x,s=this.y;if(t=t||0,!this.hasHorizontalScroll||this.x>0?i=0:this.x<this.maxScrollX&&(i=this.maxScrollX),!this.hasVerticalScroll||this.y>0?s=0:this.y<this.maxScrollY&&(s=this.maxScrollY),this.options.snap){var e=this._nearestSnap(i,s);this.currentPage=e,i=e.x,s=e.y}return this.scrollTo(i,s,t,this.options.bounceEasing),!0},disable:function(){this.enabled=!1},enable:function(){this.enabled=!0},refresh:function(){this.wrapper.offsetHeight,this.wrapperWidth=this.wrapper.clientWidth,this.wrapperHeight=this.wrapper.clientHeight,this.scrollerWidth=this.scroller.offsetWidth,this.scrollerHeight=this.scroller.offsetHeight,this.maxScrollX=this.wrapperWidth-this.scrollerWidth,this.maxScrollY=this.wrapperHeight-this.scrollerHeight,this.maxScrollX>0&&(this.maxScrollX=0),this.maxScrollY>0&&(this.maxScrollY=0),this.hasHorizontalScroll=this.options.scrollX&&this.maxScrollX<0,this.hasVerticalScroll=this.options.scrollY&&this.maxScrollY<0,this.endTime=0,this.wrapperOffset=a.offset(this.wrapper),this._execEvent("refresh")},on:function(t,i){this._events[t]||(this._events[t]=[]),this._events[t].push(i)},_execEvent:function(t){if(this._events[t]){var i=0,s=this._events[t].length;if(s)for(;s>i;i++)this._events[t][i].call(this)}},scrollBy:function(t,i,s,e){t=this.x+t,i=this.y+i,s=s||0,this.scrollTo(t,i,s,e)},scrollTo:function(t,i,s,e){e=e||a.ease.circular,!s||this.options.useTransition&&e.style?(this._transitionTimingFunction(e.style),this._transitionTime(s),this._translate(t,i)):this._animate(t,i,s,e.fn)},scrollToElement:function(t,i,e,o,n){if(t=t.nodeType?t:this.scroller.querySelector(t)){var r=a.offset(t);r.left-=this.wrapperOffset.left,r.top-=this.wrapperOffset.top,e===!0&&(e=s.round(t.offsetWidth/2-this.wrapper.offsetWidth/2)),o===!0&&(o=s.round(t.offsetHeight/2-this.wrapper.offsetHeight/2)),r.left-=e||0,r.top-=o||0,r.left=r.left>0?0:r.left<this.maxScrollX?this.maxScrollX:r.left,r.top=r.top>0?0:r.top<this.maxScrollY?this.maxScrollY:r.top,i=s.max(2*s.abs(r.left),2*s.abs(r.top)),this.scrollTo(r.left,r.top,i,n)}},_transitionTime:function(t){t=t||0,this.scrollerStyle[a.style.transitionDuration]=t+"ms",this.indicator1&&this.indicator1.transitionTime(t),this.indicator2&&this.indicator2.transitionTime(t)},_transitionTimingFunction:function(t){this.scrollerStyle[a.style.transitionTimingFunction]=t,this.indicator1&&this.indicator1.transitionTimingFunction(t),this.indicator2&&this.indicator2.transitionTimingFunction(t)},_translate:function(t,i){this.options.useTransform?this.scrollerStyle[a.style.transform]="translate("+t+"px,"+i+"px)"+this.translateZ:(t=s.round(t),i=s.round(i),this.scrollerStyle.left=t+"px",this.scrollerStyle.top=i+"px"),this.x=t,this.y=i,this.indicator1&&this.indicator1.updatePosition(),this.indicator2&&this.indicator2.updatePosition()},_initEvents:function(i){var s=i?a.removeEvent:a.addEvent,e=this.options.bindToWrapper?this.wrapper:t;s(t,"orientationchange",this),s(t,"resize",this),s(this.wrapper,"mousedown",this),s(e,"mousemove",this),s(e,"mousecancel",this),s(e,"mouseup",this),a.hasPointer&&(s(this.wrapper,"MSPointerDown",this),s(e,"MSPointerMove",this),s(e,"MSPointerCancel",this),s(e,"MSPointerUp",this)),a.hasTouch&&(s(this.wrapper,"touchstart",this),s(e,"touchmove",this),s(e,"touchcancel",this),s(e,"touchend",this)),s(this.scroller,"transitionend",this),s(this.scroller,"webkitTransitionEnd",this),s(this.scroller,"oTransitionEnd",this),s(this.scroller,"MSTransitionEnd",this)},getComputedPosition:function(){var i,s,e=t.getComputedStyle(this.scroller,null);return this.options.useTransform?(e=e[a.style.transform].split(")")[0].split(", "),i=+(e[12]||e[4]),s=+(e[13]||e[5])):(i=+e.left.replace(/[^-\d]/g,""),s=+e.top.replace(/[^-\d]/g,"")),{x:i,y:s}},_initIndicators:function(){var t,i,s=this.options.interactiveScrollbars;"object"!=typeof this.options.scrollbars,this.options.scrollbars?(this.options.scrollY&&(t={el:n("v",s,this.options.scrollbars),interactive:s,defaultScrollbars:!0,resize:this.options.resizeIndicator,listenX:!1},this.wrapper.appendChild(t.el)),this.options.scrollX&&(i={el:n("h",s,this.options.scrollbars),interactive:s,defaultScrollbars:!0,resize:this.options.resizeIndicator,listenY:!1},this.wrapper.appendChild(i.el))):(t=this.options.indicators.length?this.options.indicators[0]:this.options.indicators,i=this.options.indicators[1]&&this.options.indicators[1]),t&&(this.indicator1=new r(this,t)),i&&(this.indicator2=new r(this,i)),this.on("refresh",function(){this.indicator1&&this.indicator1.refresh(),this.indicator2&&this.indicator2.refresh()}),this.on("destroy",function(){this.indicator1&&this.indicator1.destroy(),this.indicator2&&this.indicator2.destroy()})},_initWheel:function(){a.addEvent(this.wrapper,"mousewheel",this),a.addEvent(this.wrapper,"DOMMouseScroll",this),this.on("destroy",function(){a.removeEvent(this.wrapper,"mousewheel",this),a.removeEvent(this.wrapper,"DOMMouseScroll",this)})},_wheel:function(t){var i,s,e,o,n=this;if(clearTimeout(this.wheelTimeout),this.wheelTimeout=setTimeout(function(){n._execEvent("scrollEnd")},400),t.preventDefault(),"wheelDeltaX"in t)i=t.wheelDeltaX/120,s=t.wheelDeltaY/120;else if("wheelDelta"in t)i=s=t.wheelDelta/120;else{if(!("detail"in t))return;i=s=-t.detail/3}i*=10,s*=10,this.hasVerticalScroll||(i=s),e=this.x+(this.hasHorizontalScroll?i*this.options.invertWheelDirection:0),o=this.y+(this.hasVerticalScroll?s*this.options.invertWheelDirection:0),e>0?e=0:e<this.maxScrollX&&(e=this.maxScrollX),o>0?o=0:o<this.maxScrollY&&(o=this.maxScrollY),this.scrollTo(e,o,0),this.options.probeType>1&&this._execEvent("scroll")},_initSnap:function(){this.pages=[],this.currentPage={},"string"==typeof this.options.snap&&(this.options.snap=this.scroller.querySelectorAll(this.options.snap)),this.on("refresh",function(){var t,i,e,o,n,r,h=0,a=0,l=0,c=this.options.snapStepX||this.wrapperWidth,p=this.options.snapStepY||this.wrapperHeight;if(this.options.snap===!0)for(e=s.round(c/2),o=s.round(p/2);l>-this.scrollerWidth;){for(this.pages[h]=[],t=0,n=0;n>-this.scrollerHeight;)this.pages[h][t]={x:s.max(l,this.maxScrollX),y:s.max(n,this.maxScrollY),cx:l-e,cy:n-o},n-=p,t++;l-=c,h++}else for(r=this.options.snap,t=r.length,i=-1;t>h;h++)(0===h||r[h].offsetLeft<r[h-1].offsetLeft)&&(a=0,i++),this.pages[a]||(this.pages[a]=[]),l=s.max(-r[h].offsetLeft,this.maxScrollX),n=s.max(-r[h].offsetTop,this.maxScrollY),e=l-s.round(r[h].offsetWidth/2),o=n-s.round(r[h].offsetHeight/2),this.pages[a][i]={x:l,y:n,cx:e,cy:o},a++;this.currentPage={x:this.pages[0][0].x,y:this.pages[0][0].y,pageX:0,pageY:0}})},_nearestSnap:function(t,i){var e=0,o=this.pages.length,n=0;if(s.abs(t-this.absStartX)<this.options.snapThreshold&&s.abs(i-this.absStartY)<this.options.snapThreshold)return this.currentPage;for(t>0?t=0:t<this.maxScrollX&&(t=this.maxScrollX),i>0?i=0:i<this.maxScrollY&&(i=this.maxScrollY);o>e;e++)if(t>=this.pages[e][0].cx){t=this.pages[e][0].x;break}for(o=this.pages[e].length;o>n;n++)if(i>=this.pages[0][n].cy){i=this.pages[0][n].y;break}return e==this.currentPage.pageX&&(e+=this.directionX,0>e?e=0:e>=this.pages.length&&(e=this.pages.length-1),t=this.pages[e][0].x),n==this.currentPage.pageY&&(n+=this.directionY,0>n?n=0:n>=this.pages[0].length&&(n=this.pages[0].length-1),i=this.pages[0][n].y),{x:t,y:i,pageX:e,pageY:n}},goToPage:function(t,i,e,o){t>=this.pages.length?t=this.pages.length-1:0>t&&(t=0),i>=this.pages[0].length?i=this.pages[0].length-1:0>i&&(i=0);var n=this.pages[t][i].x,r=this.pages[t][i].y;e=e||this.options.snapSpeed||s.max(s.max(s.min(s.abs(n-this.x),1e3),s.min(s.abs(r-this.y),1e3)),300),this.currentPage={x:n,y:r,pageX:t,pageY:i},this.scrollTo(n,r,e,o)},next:function(t,i){var s=this.currentPage.pageX,e=this.currentPage.pageY;s++,s>=this.pages.length&&this.hasVericalScroll&&(s=0,e++),this.goToPage(s,e,t,i)},prev:function(t,i){var s=this.currentPage.pageX,e=this.currentPage.pageY;s--,0>s&&this.hasVericalScroll&&(s=0,e--),this.goToPage(s,e,t,i)},_initKeys:function(){var i,s={pageUp:33,pageDown:34,end:35,home:36,left:37,up:38,right:39,down:40};if("object"==typeof this.options.keyBindings)for(i in this.options.keyBindings)"string"==typeof this.options.keyBindings[i]&&(this.options.keyBindings[i]=this.options.keyBindings[i].toUpperCase().charCodeAt(0));else this.options.keyBindings={};for(i in s)this.options.keyBindings[i]=this.options.keyBindings[i]||s[i];a.addEvent(t,"keydown",this),this.on("destroy",function(){a.removeEvent(t,"keydown",this)})},_key:function(t){var i,e=this.options.snap,o=e?this.currentPage.pageX:this.x,n=e?this.currentPage.pageY:this.y,r=a.getTime(),h=this.keyTime||0,l=.25;switch(this.options.useTransition&&this.isInTransition&&(i=this.getComputedPosition(),this._translate(s.round(i.x),s.round(i.y)),this.isInTransition=!1),this.keyAcceleration=200>r-h?s.min(this.keyAcceleration+l,50):0,t.keyCode){case this.options.keyBindings.pageUp:this.hasHorizontalScroll&&!this.hasVerticalScroll?o+=e?1:this.wrapperWidth:n+=e?1:this.wrapperHeight;break;case this.options.keyBindings.pageDown:this.hasHorizontalScroll&&!this.hasVerticalScroll?o-=e?1:this.wrapperWidth:n-=e?1:this.wrapperHeight;break;case this.options.keyBindings.end:o=e?this.pages.length-1:this.maxScrollX,n=e?this.pages[0].length-1:this.maxScrollY;break;case this.options.keyBindings.home:o=0,n=0;break;case this.options.keyBindings.left:o+=e?-1:5+this.keyAcceleration>>0;break;case this.options.keyBindings.up:n+=e?1:5+this.keyAcceleration>>0;break;case this.options.keyBindings.right:o-=e?-1:5+this.keyAcceleration>>0;break;case this.options.keyBindings.down:n-=e?1:5+this.keyAcceleration>>0}return e?(this.goToPage(o,n),void 0):(o>0?(o=0,this.keyAcceleration=0):o<this.maxScrollX&&(o=this.maxScrollX,this.keyAcceleration=0),n>0?(n=0,this.keyAcceleration=0):n<this.maxScrollY&&(n=this.maxScrollY,this.keyAcceleration=0),this.scrollTo(o,n,0),this.keyTime=r,void 0)},_animate:function(t,i,s,e){function o(){var u,d,m,f=a.getTime();return f>=p?(n.isAnimating=!1,n._translate(t,i),n.resetPosition(n.options.bounceTime)||n._execEvent("scrollEnd"),void 0):(f=(f-c)/s,m=e(f),u=(t-r)*m+r,d=(i-l)*m+l,n._translate(u,d),n.isAnimating&&h(o),3==n.options.probeType&&n._execEvent("scroll"),void 0)}var n=this,r=this.x,l=this.y,c=a.getTime(),p=c+s;this.isAnimating=!0,o()},handleEvent:function(t){switch(t.type){case"touchstart":case"MSPointerDown":case"mousedown":this._start(t);break;case"touchmove":case"MSPointerMove":case"mousemove":this._move(t);break;case"touchend":case"MSPointerUp":case"mouseup":case"touchcancel":case"MSPointerCancel":case"mousecancel":this._end(t);break;case"orientationchange":case"resize":this._resize();break;case"transitionend":case"webkitTransitionEnd":case"oTransitionEnd":case"MSTransitionEnd":this._transitionEnd(t);break;case"DOMMouseScroll":case"mousewheel":this._wheel(t);break;case"keydown":this._key(t)}}},r.prototype={handleEvent:function(t){switch(t.type){case"touchstart":case"MSPointerDown":case"mousedown":this._start(t);break;case"touchmove":case"MSPointerMove":case"mousemove":this._move(t);break;case"touchend":case"MSPointerUp":case"mouseup":case"touchcancel":case"MSPointerCancel":case"mousecancel":this._end(t)}},destroy:function(){this.options.interactive&&(a.removeEvent(this.indicator,"touchstart",this),a.removeEvent(this.indicator,"MSPointerDown",this),a.removeEvent(this.indicator,"mousedown",this),a.removeEvent(t,"touchmove",this),a.removeEvent(t,"MSPointerMove",this),a.removeEvent(t,"mousemove",this),a.removeEvent(t,"touchend",this),a.removeEvent(t,"MSPointerUp",this),a.removeEvent(t,"mouseup",this))},_start:function(i){var s=i.touches?i.touches[0]:i;i.preventDefault(),i.stopPropagation(),this.transitionTime(0),this.initiated=!0,this.lastPointX=s.pageX,this.lastPointY=s.pageY,this.startTime=a.getTime(),a.addEvent(t,"touchmove",this),a.addEvent(t,"MSPointerMove",this),a.addEvent(t,"mousemove",this)},_move:function(t){var i,s,e,o,n=t.touches?t.touches[0]:t;a.getTime(),i=n.pageX-this.lastPointX,this.lastPointX=n.pageX,s=n.pageY-this.lastPointY,this.lastPointY=n.pageY,e=this.x+i,o=this.y+s,this._pos(e,o),t.preventDefault(),t.stopPropagation()},_end:function(i){this.initiated&&(this.initiated=!1,i.preventDefault(),i.stopPropagation(),a.removeEvent(t,"touchmove",this),a.removeEvent(t,"MSPointerMove",this),a.removeEvent(t,"mousemove",this))},transitionTime:function(t){t=t||0,this.indicatorStyle[a.style.transitionDuration]=t+"ms"},transitionTimingFunction:function(t){this.indicatorStyle[a.style.transitionTimingFunction]=t},refresh:function(){this.transitionTime(0),this.indicatorStyle.display=this.options.listenX&&!this.options.listenY?this.scroller.hasHorizontalScroll?"block":"none":this.options.listenY&&!this.options.listenX?this.scroller.hasVerticalScroll?"block":"none":this.scroller.hasHorizontalScroll||this.scroller.hasVerticalScroll?"block":"none",this.scroller.hasHorizontalScroll&&this.scroller.hasVerticalScroll?(a.addClass(this.wrapper,"iScrollBothScrollbars"),a.removeClass(this.wrapper,"iScrollLoneScrollbar"),this.options.defaultScrollbars&&(this.options.listenX?this.wrapper.style.right="8px":this.wrapper.style.bottom="8px")):(a.removeClass(this.wrapper,"iScrollBothScrollbars"),a.addClass(this.wrapper,"iScrollLoneScrollbar"),this.options.defaultScrollbars&&(this.options.listenX?this.wrapper.style.right="2px":this.wrapper.style.bottom="2px")),this.wrapper.offsetHeight,this.options.listenX&&(this.wrapperWidth=this.wrapper.clientWidth,this.options.resize?(this.indicatorWidth=s.max(s.round(this.wrapperWidth*this.wrapperWidth/this.scroller.scrollerWidth),8),this.indicatorStyle.width=this.indicatorWidth+"px"):this.indicatorWidth=this.indicator.clientWidth,this.maxPosX=this.wrapperWidth-this.indicatorWidth,this.sizeRatioX=this.options.speedRatioX||this.scroller.maxScrollX&&this.maxPosX/this.scroller.maxScrollX),this.options.listenY&&(this.wrapperHeight=this.wrapper.clientHeight,this.options.resize?(this.indicatorHeight=s.max(s.round(this.wrapperHeight*this.wrapperHeight/this.scroller.scrollerHeight),8),this.indicatorStyle.height=this.indicatorHeight+"px"):this.indicatorHeight=this.indicator.clientHeight,this.maxPosY=this.wrapperHeight-this.indicatorHeight,this.sizeRatioY=this.options.speedRatioY||this.scroller.maxScrollY&&this.maxPosY/this.scroller.maxScrollY),this.updatePosition()},updatePosition:function(){var t=s.round(this.sizeRatioX*this.scroller.x)||0,i=s.round(this.sizeRatioY*this.scroller.y)||0;this.options.ignoreBoundaries||(0>t?t=0:t>this.maxPosX&&(t=this.maxPosX),0>i?i=0:i>this.maxPosY&&(i=this.maxPosY)),this.x=t,this.y=i,this.scroller.options.useTransform?this.indicatorStyle[a.style.transform]="translate("+t+"px,"+i+"px)"+this.scroller.translateZ:(this.indicatorStyle.left=t+"px",this.indicatorStyle.top=i+"px")},_pos:function(t,i){0>t?t=0:t>this.maxPosX&&(t=this.maxPosX),0>i?i=0:i>this.maxPosY&&(i=this.maxPosY),this.scroller.scrollTo(s.round(t/this.sizeRatioX),s.round(i/this.sizeRatioY))}},o.ease=a.ease,o}(window,document,Math);
\ No newline at end of file
diff --git a/dist/iscroll-zoom-min.js b/dist/iscroll-zoom-min.js
index dbc99e65..539ac3bb 100644
--- a/dist/iscroll-zoom-min.js
+++ b/dist/iscroll-zoom-min.js
@@ -1,2 +1,2 @@
-/*! iScroll v5.0.0-beta.1 ~ (c) 2008-2013 Matteo Spinelli ~ http://cubiq.org/license */
-var IScroll=function(t,i,s){function o(t,s){this.wrapper="string"==typeof t?i.querySelector(t):t,this.scroller=this.wrapper.children[0],this.scrollerStyle=this.scroller.style,this.options={zoomMin:1,zoomMax:4,resizeIndicator:!0,snapThreshold:10,startX:0,startY:0,scrollY:!0,lockDirection:!0,directionLockThreshold:5,momentum:!0,bounce:!0,bounceTime:600,bounceEasing:"",preventDefault:!0,HWCompositing:!0,useTransition:!0,useTransform:!0};for(var e in s)this.options[e]=s[e];this.translateZ=this.options.HWCompositing&&a.hasPerspective?" translateZ(0)":"",this.options.useTransition=a.hasTransition&&this.options.useTransition,this.options.useTransform=a.hasTransform&&this.options.useTransform,this.options.eventPassthrough=this.options.eventPassthrough===!0?"vertical":this.options.eventPassthrough,this.options.preventDefault=!this.options.eventPassthrough&&this.options.preventDefault,this.options.scrollY="vertical"==this.options.eventPassthrough?!1:this.options.scrollY,this.options.scrollX="horizontal"==this.options.eventPassthrough?!1:this.options.scrollX,this.options.lockDirection=this.options.lockDirection||this.options.eventPassthrough,this.options.directionLockThreshold=this.options.eventPassthrough?0:this.options.directionLockThreshold,this.options.bounceEasing="string"==typeof this.options.bounceEasing?a.ease[this.options.bounceEasing]||a.ease.circular:this.options.bounceEasing,this.options.tap===!0&&(this.options.tap="tap"),this.options.invertWheelDirection=this.options.invertWheelDirection?-1:1,this.x=0,this.y=0,this._events={},this.scale=1,this._init(),this.refresh(),this.scrollTo(this.options.startX,this.options.startY),this.enable()}function n(t,s,e){var o=i.createElement("div"),n=i.createElement("div");return e===!0&&(o.style.cssText="position:absolute;z-index:9999",n.style.cssText="-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box;position:absolute;background:rgba(0,0,0,0.5);border:1px solid rgba(255,255,255,0.9);border-radius:3px"),n.className="iScrollIndicator","h"==t?(e===!0&&(o.style.cssText+=";height:7px;left:2px;right:2px;bottom:0",n.style.height="100%"),o.className="iScrollHorizontalScrollbar"):(e===!0&&(o.style.cssText+=";width:7px;bottom:2px;top:2px;right:1px",n.style.width="100%"),o.className="iScrollVerticalScrollbar"),s||(o.style.pointerEvents="none"),o.appendChild(n),o}function r(s,e){this.wrapper="string"==typeof e.el?i.querySelector(e.el):e.el,this.indicator=this.wrapper.children[0],this.indicatorStyle=this.indicator.style,this.scroller=s,this.options={listenX:!0,listenY:!0,interactive:!1,resize:!0,defaultScrollbars:!1,speedRatioX:0,speedRatioY:0};for(var o in e)this.options[o]=e[o];this.sizeRatioX=1,this.sizeRatioY=1,this.maxPosX=0,this.maxPosY=0,this.options.interactive&&(a.addEvent(this.indicator,"touchstart",this),a.addEvent(this.indicator,"MSPointerDown",this),a.addEvent(this.indicator,"mousedown",this),a.addEvent(t,"touchend",this),a.addEvent(t,"MSPointerUp",this),a.addEvent(t,"mouseup",this))}var h=t.requestAnimationFrame||t.webkitRequestAnimationFrame||t.mozRequestAnimationFrame||t.oRequestAnimationFrame||t.msRequestAnimationFrame||function(i){t.setTimeout(i,1e3/60)},a=function(){function o(t){return h===!1?!1:""===h?t:h+t.charAt(0).toUpperCase()+t.substr(1)}var n={},r=i.createElement("div").style,h=function(){for(var t,i=["t","webkitT","MozT","msT","OT"],s=0,e=i.length;e>s;s++)if(t=i[s]+"ransform",t in r)return i[s].substr(0,i[s].length-1);return!1}();n.getTime=Date.now||function(){return(new Date).getTime()},n.extend=function(t,i){for(var s in i)t[s]=i[s]},n.addEvent=function(t,i,s,e){t.addEventListener(i,s,!!e)},n.removeEvent=function(t,i,s,e){t.removeEventListener(i,s,!!e)},n.momentum=function(t,i,e,o,n){var r,h,a=t-i,l=s.abs(a)/e,c=6e-4;return r=t+l*l/(2*c)*(0>a?-1:1),h=l/c,o>r?(r=n?o-n/2.5*(l/8):o,a=s.abs(r-t),h=a/l):r>0&&(r=n?n/2.5*(l/8):0,a=s.abs(t)+r,h=a/l),{destination:s.round(r),duration:h}};var a=o("transform");return n.extend(n,{hasTransform:a!==!1,hasPerspective:o("perspective")in r,hasTouch:"ontouchstart"in t,hasPointer:navigator.msPointerEnabled,hasTransition:o("transition")in r}),n.isAndroidBrowser=/Android/.test(t.navigator.appVersion)&&/Version\/\d/.test(t.navigator.appVersion),n.extend(n.style={},{transform:a,transitionTimingFunction:o("transitionTimingFunction"),transitionDuration:o("transitionDuration"),transformOrigin:o("transformOrigin")}),n.hasClass=function(t,i){var s=new RegExp("(^|\\s)"+i+"(\\s|$)");return s.test(t.className)},n.addClass=function(t,i){if(!n.hasClass(t,i)){var s=t.className.split(" ");s.push(i),t.className=s.join(" ")}},n.removeClass=function(t,i){if(n.hasClass(t,i)){var s=new RegExp("(^|\\s)"+i+"(\\s|$)","g");t.className=t.className.replace(s,"")}},n.offset=function(t){for(var i=-t.offsetLeft,s=-t.offsetTop;t=t.offsetParent;)i-=t.offsetLeft,s-=t.offsetTop;return{left:i,top:s}},n.extend(n.eventType={},{touchstart:1,touchmove:1,touchend:1,mousedown:2,mousemove:2,mouseup:2,MSPointerDown:3,MSPointerMove:3,MSPointerUp:3}),n.extend(n.ease={},{quadratic:{style:"cubic-bezier(0.25, 0.46, 0.45, 0.94)",fn:function(t){return t*(2-t)}},circular:{style:"cubic-bezier(0.1, 0.57, 0.1, 1)",fn:function(t){return s.sqrt(1- --t*t)}},back:{style:"cubic-bezier(0.175, 0.885, 0.32, 1.275)",fn:function(t){var i=4;return(t-=1)*t*((i+1)*t+i)+1}},bounce:{style:"",fn:function(t){return(t/=1)<1/2.75?7.5625*t*t:2/2.75>t?7.5625*(t-=1.5/2.75)*t+.75:2.5/2.75>t?7.5625*(t-=2.25/2.75)*t+.9375:7.5625*(t-=2.625/2.75)*t+.984375}},elastic:{style:"",fn:function(t){return f=.22,e=.4,0===t?0:1==t?1:e*s.pow(2,-10*t)*s.sin((t-f/4)*2*s.PI/f)+1}}}),n.tap=function(t,s){var e=i.createEvent("Event");e.initEvent(s,!0,!0),e.pageX=t.pageX,e.pageY=t.pageY,t.target.dispatchEvent(e)},n.click=function(t){var s,e=t.target;"SELECT"!=e.tagName&&"INPUT"!=e.tagName&&"TEXTAREA"!=e.tagName&&(s=i.createEvent("MouseEvents"),s.initMouseEvent("click",!0,!0,t.view,1,e.screenX,e.screenY,e.clientX,e.clientY,t.ctrlKey,t.altKey,t.shiftKey,t.metaKey,0,null),s._constructed=!0,e.dispatchEvent(s))},n}();return o.prototype={version:"5.0.0-beta.1",_init:function(){this._initEvents(),this.options.zoom&&this._initZoom(),(this.options.scrollbars||this.options.indicators)&&this._initIndicators(),this.options.mouseWheel&&this._initWheel(),this.options.snap&&this._initSnap(),this.options.keyBindings&&this._initKeys()},destroy:function(){this._initEvents(!0),this._execEvent("destroy")},_transitionEnd:function(t){t.target==this.scroller&&(this._transitionTime(0),this.resetPosition(this.options.bounceTime)||this._execEvent("scrollEnd"))},_start:function(t){if(this.enabled&&(!this.initiated||a.eventType[t.type]===this.initiated)){this.options.preventDefault&&!a.isAndroidBrowser&&t.preventDefault();var i,e=t.touches?t.touches[0]:t;this.initiated=a.eventType[t.type],this.moved=!1,this.distX=0,this.distY=0,this.directionX=0,this.directionY=0,this.directionLocked=0,this._transitionTime(),this.isAnimating=!1,this.startTime=a.getTime(),this.options.useTransition&&this.isInTransition&&(i=this.getComputedPosition(),this._translate(s.round(i.x),s.round(i.y)),this.isInTransition=!1),this.startX=this.x,this.startY=this.y,this.absStartX=this.x,this.absStartY=this.y,this.pointX=e.pageX,this.pointY=e.pageY,this._execEvent("scrollStart")}},_move:function(t){if(this.enabled&&a.eventType[t.type]===this.initiated){this.options.preventDefault&&t.preventDefault();var i,e,o,n,r=t.touches?t.touches[0]:t,h=r.pageX-this.pointX,l=r.pageY-this.pointY,c=a.getTime();if(this.pointX=r.pageX,this.pointY=r.pageY,this.distX+=h,this.distY+=l,o=s.abs(this.distX),n=s.abs(this.distY),!(c-this.endTime>300&&10>o&&10>n)){if(!this.directionLocked&&this.options.lockDirection&&(this.directionLocked=o>n+this.options.directionLockThreshold?"h":n>=o+this.options.directionLockThreshold?"v":0),"h"==this.directionLocked){if("vertical"==this.options.eventPassthrough)t.preventDefault();else if("horizontal"==this.options.eventPassthrough)return this.initiated=!1,void 0;l=0}else if("v"==this.directionLocked){if("horizontal"==this.options.eventPassthrough)t.preventDefault();else if("vertical"==this.options.eventPassthrough)return this.initiated=!1,void 0;h=0}i=this.x+(this.hasHorizontalScroll?h:0),e=this.y+(this.hasVerticalScroll?l:0),(i>0||i<this.maxScrollX)&&(i=this.options.bounce?this.x+h/3:i>0?0:this.maxScrollX),(e>0||e<this.maxScrollY)&&(e=this.options.bounce?this.y+l/3:e>0?0:this.maxScrollY),this.directionX=h>0?-1:0>h?1:0,this.directionY=l>0?-1:0>l?1:0,this.moved=!0,this._translate(i,e),c-this.startTime>300&&(this.startTime=c,this.startX=this.x,this.startY=this.y)}}},_end:function(t){if(this.enabled&&a.eventType[t.type]===this.initiated){this.options.preventDefault&&t.preventDefault();var i,e,o=(t.changedTouches?t.changedTouches[0]:t,a.getTime()-this.startTime),n=s.round(this.x),r=s.round(this.y),h=0,l="";if(this.isInTransition=0,this.initiated=0,this.endTime=a.getTime(),!this.resetPosition(this.options.bounceTime)){if(!this.moved)return this.options.tap&&a.tap(t,this.options.tap),this.options.click&&a.click(t),void 0;if(this.options.momentum&&300>o&&(i=this.hasHorizontalScroll?a.momentum(this.x,this.startX,o,this.maxScrollX,this.options.bounce?this.wrapperWidth:0):{destination:n,duration:0},e=this.hasVerticalScroll?a.momentum(this.y,this.startY,o,this.maxScrollY,this.options.bounce?this.wrapperHeight:0):{destination:r,duration:0},n=i.destination,r=e.destination,h=s.max(i.duration,e.duration),this.isInTransition=1),this.options.snap){var c=this._nearestSnap(n,r);this.currentPage=c,n=c.x,r=c.y,h=this.options.snapSpeed||s.max(s.max(s.min(s.abs(n-this.x),1e3),s.min(s.abs(r-this.y),1e3)),300),l=this.options.bounceEasing}return n!=this.x||r!=this.y?((n>0||n<this.maxScrollX||r>0||r<this.maxScrollY)&&(l=a.ease.quadratic),this.scrollTo(n,r,h,l),void 0):(this._execEvent("scrollEnd"),void 0)}}},_resize:function(){var t=this;clearTimeout(this.resizeTimeout),this.resizeTimeout=setTimeout(function(){t.refresh(),t.resetPosition()},60)},resetPosition:function(t){if(this.x<=0&&this.x>=this.maxScrollX&&this.y<=0&&this.y>=this.maxScrollY)return!1;var i=this.x,s=this.y;return t=t||0,!this.hasHorizontalScroll||this.x>0?i=0:this.x<this.maxScrollX&&(i=this.maxScrollX),!this.hasVerticalScroll||this.y>0?s=0:this.y<this.maxScrollY&&(s=this.maxScrollY),this.scrollTo(i,s,t,this.options.bounceEasing),!0},disable:function(){this.enabled=!1},enable:function(){this.enabled=!0},refresh:function(){this.wrapper.offsetHeight,this.wrapperWidth=this.wrapper.clientWidth,this.wrapperHeight=this.wrapper.clientHeight,this.scrollerWidth=s.round(this.scroller.offsetWidth*this.scale),this.scrollerHeight=s.round(this.scroller.offsetHeight*this.scale),this.maxScrollX=this.wrapperWidth-this.scrollerWidth,this.maxScrollY=this.wrapperHeight-this.scrollerHeight,this.maxScrollX>0&&(this.maxScrollX=0),this.maxScrollY>0&&(this.maxScrollY=0),this.hasHorizontalScroll=this.options.scrollX&&this.maxScrollX<0,this.hasVerticalScroll=this.options.scrollY&&this.maxScrollY<0,this.endTime=0,this.wrapperOffset=a.offset(this.wrapper),this._execEvent("refresh")},on:function(t,i){this._events[t]||(this._events[t]=[]),this._events[t].push(i)},_execEvent:function(t){if(this._events[t]){var i=0,s=this._events[t].length;if(s)for(;s>i;i++)this._events[t][i].call(this)}},scrollBy:function(t,i,s,e){t=this.x+t,i=this.y+i,s=s||0,this.scrollTo(t,i,s,e)},scrollTo:function(t,i,s,e){e=e||a.ease.circular,!s||this.options.useTransition&&e.style?(this._transitionTimingFunction(e.style),this._transitionTime(s),this._translate(t,i)):this._animate(t,i,s,e.fn)},scrollToElement:function(t,i,e,o,n){if(t=t.nodeType?t:this.scroller.querySelector(t)){var r=a.offset(t);r.left-=this.wrapperOffset.left,r.top-=this.wrapperOffset.top,e===!0&&(e=s.round(t.offsetWidth/2-this.wrapper.offsetWidth/2)),o===!0&&(o=s.round(t.offsetHeight/2-this.wrapper.offsetHeight/2)),r.left-=e||0,r.top-=o||0,r.left=r.left>0?0:r.left<this.maxScrollX?this.maxScrollX:r.left,r.top=r.top>0?0:r.top<this.maxScrollY?this.maxScrollY:r.top,i=s.max(2*s.abs(r.left),2*s.abs(r.top)),this.scrollTo(r.left,r.top,i,n)}},_transitionTime:function(t){t=t||0,this.scrollerStyle[a.style.transitionDuration]=t+"ms",this.indicator1&&this.indicator1.transitionTime(t),this.indicator2&&this.indicator2.transitionTime(t)},_transitionTimingFunction:function(t){this.scrollerStyle[a.style.transitionTimingFunction]=t,this.indicator1&&this.indicator1.transitionTimingFunction(t),this.indicator2&&this.indicator2.transitionTimingFunction(t)},_translate:function(t,i){this.options.useTransform?this.scrollerStyle[a.style.transform]="translate("+t+"px,"+i+"px) scale("+this.scale+") "+this.translateZ:(t=s.round(t),i=s.round(i),this.scrollerStyle.left=t+"px",this.scrollerStyle.top=i+"px"),this.x=t,this.y=i,this.indicator1&&this.indicator1.updatePosition(),this.indicator2&&this.indicator2.updatePosition()},_initEvents:function(i){var s=i?a.removeEvent:a.addEvent,e=this.options.bindToWrapper?this.wrapper:t;s(t,"orientationchange",this),s(t,"resize",this),s(this.wrapper,"mousedown",this),s(e,"mousemove",this),s(e,"mousecancel",this),s(e,"mouseup",this),a.hasPointer&&(s(this.wrapper,"MSPointerDown",this),s(e,"MSPointerMove",this),s(e,"MSPointerCancel",this),s(e,"MSPointerUp",this)),a.hasTouch&&(s(this.wrapper,"touchstart",this),s(e,"touchmove",this),s(e,"touchcancel",this),s(e,"touchend",this)),s(this.scroller,"transitionend",this),s(this.scroller,"webkitTransitionEnd",this),s(this.scroller,"oTransitionEnd",this),s(this.scroller,"MSTransitionEnd",this)},getComputedPosition:function(){var i,s,e=t.getComputedStyle(this.scroller,null);return this.options.useTransform?(e=e[a.style.transform].split(")")[0].split(", "),i=+(e[12]||e[4]),s=+(e[13]||e[5])):(i=+e.left.replace(/[^-\d]/g,""),s=+e.top.replace(/[^-\d]/g,"")),{x:i,y:s}},_initIndicators:function(){var t,i,s=this.options.interactiveScrollbars;"object"!=typeof this.options.scrollbars,this.options.scrollbars?(this.options.scrollY&&(t={el:n("v",s,this.options.scrollbars),interactive:s,defaultScrollbars:!0,resize:this.options.resizeIndicator,listenX:!1},this.wrapper.appendChild(t.el)),this.options.scrollX&&(i={el:n("h",s,this.options.scrollbars),interactive:s,defaultScrollbars:!0,resize:this.options.resizeIndicator,listenY:!1},this.wrapper.appendChild(i.el))):(t=this.options.indicators.length?this.options.indicators[0]:this.options.indicators,i=this.options.indicators[1]&&this.options.indicators[1]),t&&(this.indicator1=new r(this,t)),i&&(this.indicator2=new r(this,i)),this.on("refresh",function(){this.indicator1&&this.indicator1.refresh(),this.indicator2&&this.indicator2.refresh()}),this.on("destroy",function(){this.indicator1&&this.indicator1.destroy(),this.indicator2&&this.indicator2.destroy()})},_initZoom:function(){this.scrollerStyle[a.style.transformOrigin]="0 0"},_zoomStart:function(t){var i=s.abs(t.touches[0].pageX-t.touches[1].pageX),e=s.abs(t.touches[0].pageY-t.touches[1].pageY);this.touchesDistanceStart=s.sqrt(i*i+e*e),this.startScale=this.scale,this.originX=s.abs(t.touches[0].pageX+t.touches[1].pageX)/2+this.wrapperOffset.left-this.x,this.originY=s.abs(t.touches[0].pageY+t.touches[1].pageY)/2+this.wrapperOffset.top-this.y,this._execEvent("zoomStart")},_zoom:function(t){if(this.enabled&&a.eventType[t.type]===this.initiated){this.options.preventDefault&&t.preventDefault();var i,e,o,n=s.abs(t.touches[0].pageX-t.touches[1].pageX),r=s.abs(t.touches[0].pageY-t.touches[1].pageY),h=s.sqrt(n*n+r*r),l=1/this.touchesDistanceStart*h*this.startScale;this.scaled=!0,l<this.options.zoomMin?l=.5*this.options.zoomMin*s.pow(2,l/this.options.zoomMin):l>this.options.zoomMax&&(l=2*this.options.zoomMax*s.pow(.5,this.options.zoomMax/l)),i=l/this.startScale,e=this.originX-this.originX*i+this.startX,o=this.originY-this.originY*i+this.startY,this.scale=l,this.scrollTo(e,o,0)}},_zoomEnd:function(t){if(this.enabled&&a.eventType[t.type]===this.initiated){this.options.preventDefault&&t.preventDefault();var i,s,e;this.isInTransition=0,this.initiated=0,this.scale>this.options.zoomMax?this.scale=this.options.zoomMax:this.scale<this.options.zoomMin&&(this.scale=this.options.zoomMin),this.refresh(),e=this.scale/this.startScale,i=this.originX-this.originX*e+this.startX,s=this.originY-this.originY*e+this.startY,i>0?i=0:i<this.maxScrollX&&(i=this.maxScrollX),s>0?s=0:s<this.maxScrollY&&(s=this.maxScrollY),(this.x!=i||this.y!=s)&&this.scrollTo(i,s,this.options.bounceTime),this.scaled=!1,this._execEvent("zoomEnd")}},zoom:function(t,i,s,e){if(t<this.options.zoomMin?t=this.options.zoomMin:t>this.options.zoomMax&&(t=this.options.zoomMax),t!=this.scale){var o=t/this.scale;i=void 0===i?this.wrapperWidth/2:i,s=void 0===s?this.wrapperHeight/2:s,e=void 0===e?300:e,i=i+this.wrapperOffset.left-this.x,s=s+this.wrapperOffset.top-this.y,i=i-i*o+this.x,s=s-s*o+this.y,this.scale=t,this.refresh(),i>0?i=0:i<this.maxScrollX&&(i=this.maxScrollX),s>0?s=0:s<this.maxScrollY&&(s=this.maxScrollY),this.scrollTo(i,s,e)}},_wheelZoom:function(t){var i,e;if("wheelDeltaX"in t)i=t.wheelDeltaY/s.abs(t.wheelDeltaY);else if("wheelDelta"in t)i=t.wheelDelta/s.abs(t.wheelDelta);else{if(!("detail"in t))return;i=-t.detail/s.abs(t.wheelDelta)}e=this.scale+i/5,this.zoom(e,t.pageX,t.pageY,0)},_initWheel:function(){a.addEvent(this.wrapper,"mousewheel",this),a.addEvent(this.wrapper,"DOMMouseScroll",this),this.on("destroy",function(){a.removeEvent(this.wrapper,"mousewheel",this),a.removeEvent(this.wrapper,"DOMMouseScroll",this)})},_wheel:function(t){var i,s,e,o,n=this;if(clearTimeout(this.wheelTimeout),this.wheelTimeout=setTimeout(function(){n._execEvent("scrollEnd")},400),t.preventDefault(),"wheelDeltaX"in t)i=t.wheelDeltaX/120,s=t.wheelDeltaY/120;else if("wheelDelta"in t)i=s=t.wheelDelta/120;else{if(!("detail"in t))return;i=s=-t.detail/3}i*=10,s*=10,this.hasVerticalScroll||(i=s),e=this.x+(this.hasHorizontalScroll?i*this.options.invertWheelDirection:0),o=this.y+(this.hasVerticalScroll?s*this.options.invertWheelDirection:0),e>0?e=0:e<this.maxScrollX&&(e=this.maxScrollX),o>0?o=0:o<this.maxScrollY&&(o=this.maxScrollY),this.scrollTo(e,o,0)},_initSnap:function(){this.pages=[],this.currentPage={},this.on("refresh",function(){var t,i,e,o,n,r,h=0,a=0,l=0,c=this.options.snapStepX||this.wrapperWidth,p=this.options.snapStepY||this.wrapperHeight;if(this.options.snap===!0)for(e=s.round(c/2),o=s.round(p/2);l>=-this.scrollerWidth;){for(this.pages[h]=[],t=0,n=0;n>=-this.scrollerHeight;)this.pages[h][t]={x:s.max(l,this.maxScrollX),y:s.max(n,this.maxScrollY),cx:l-e,cy:n-o},n-=p,t++;l-=c,h++}else for(r=this.options.snap,t=r.length,i=-1;t>h;h++)0===r[h].offsetLeft&&(a=0,i++),this.pages[a]||(this.pages[a]=[]),l=s.max(-r[h].offsetLeft,this.maxScrollX),n=s.max(-r[h].offsetTop,this.maxScrollY),e=l-s.round(r[h].offsetWidth/2),o=n-s.round(r[h].offsetHeight/2),this.pages[a][i]={x:l,y:n,cx:e,cy:o},a++;this.currentPage={x:this.pages[0][0].x,y:this.pages[0][0].y,pageX:0,pageY:0}})},_nearestSnap:function(t,i){var e=0,o=this.pages.length,n=0;if(s.abs(t-this.absStartX)<this.options.snapThreshold&&s.abs(i-this.absStartY)<this.options.snapThreshold)return this.currentPage;for(;o>e;e++)if(t>=this.pages[e][0].cx){t=this.pages[e][0].x;break}for(o=this.pages[e].length;o>n;n++)if(i>=this.pages[0][n].cy){i=this.pages[0][n].y;break}return e==this.currentPage.pageX&&(e+=this.directionX,0>e?e=0:e>=this.pages.length&&(e=this.pages.length-1),t=this.pages[e][0].x),n==this.currentPage.pageY&&(n+=this.directionY,0>n?n=0:n>=this.pages[0].length&&(n=this.pages[0].length-1),i=this.pages[0][n].y),{x:t,y:i,pageX:e,pageY:n}},goToPage:function(t,i,e,o){t>=this.pages.length?t=this.pages.length-1:0>t&&(t=0),i>=this.pages[0].length?i=this.pages[0].length-1:0>i&&(i=0);var n=this.pages[t][i].x,r=this.pages[t][i].y;e=e||this.options.snapSpeed||s.max(s.max(s.min(s.abs(n-this.x),1e3),s.min(s.abs(r-this.y),1e3)),300),this.currentPage={x:n,y:r,pageX:t,pageY:i},this.scrollTo(n,r,e,o)},next:function(t,i){var s=this.currentPage.pageX,e=this.currentPage.pageY;s+=this.hasHorizontalScroll?1:0,e+=this.hasVericalScroll?1:0,this.goToPage(s,e,t,i)},prev:function(t,i){var s=this.currentPage.pageX,e=this.currentPage.pageY;s-=this.hasHorizontalScroll?1:0,e-=this.hasVericalScroll?1:0,this.goToPage(s,e,t,i)},_initKeys:function(){var i,s={pageUp:33,pageDown:34,end:35,home:36,left:37,up:38,right:39,down:40};if("object"==typeof this.options.keyBindings)for(i in this.options.keyBindings)"string"==typeof this.options.keyBindings[i]&&(this.options.keyBindings[i]=this.options.keyBindings[i].toUpperCase().charCodeAt(0));else this.options.keyBindings={};for(i in s)this.options.keyBindings[i]=this.options.keyBindings[i]||s[i];a.addEvent(t,"keydown",this),this.on("destroy",function(){a.removeEvent(t,"keydown",this)})},_key:function(t){var i,e=this.options.snap,o=e?this.currentPage.pageX:this.x,n=e?this.currentPage.pageY:this.y,r=a.getTime(),h=this.keyTime||0,l=.25;switch(this.options.useTransition&&this.isInTransition&&(i=this.getComputedPosition(),this._translate(s.round(i.x),s.round(i.y)),this.isInTransition=!1),this.keyAcceleration=200>r-h?s.min(this.keyAcceleration+l,50):0,t.keyCode){case this.options.keyBindings.pageUp:this.hasHorizontalScroll&&!this.hasVerticalScroll?o+=e?1:this.wrapperWidth:n+=e?1:this.wrapperHeight;break;case this.options.keyBindings.pageDown:this.hasHorizontalScroll&&!this.hasVerticalScroll?o-=e?1:this.wrapperWidth:n-=e?1:this.wrapperHeight;break;case this.options.keyBindings.end:o=e?this.pages.length-1:this.maxScrollX,n=e?this.pages[0].length-1:this.maxScrollY;break;case this.options.keyBindings.home:o=0,n=0;break;case this.options.keyBindings.left:o+=e?-1:5+this.keyAcceleration>>0;break;case this.options.keyBindings.up:n+=e?1:5+this.keyAcceleration>>0;break;case this.options.keyBindings.right:o-=e?-1:5+this.keyAcceleration>>0;break;case this.options.keyBindings.down:n-=e?1:5+this.keyAcceleration>>0}return e?(this.goToPage(o,n),void 0):(o>0?(o=0,this.keyAcceleration=0):o<this.maxScrollX&&(o=this.maxScrollX,this.keyAcceleration=0),n>0?(n=0,this.keyAcceleration=0):n<this.maxScrollY&&(n=this.maxScrollY,this.keyAcceleration=0),this.scrollTo(o,n,0),this.keyTime=r,void 0)},_animate:function(t,i,s,e){function o(){var u,d,m,f=a.getTime();return f>=p?(n.isAnimating=!1,n._translate(t,i),n.resetPosition(n.options.bounceTime),void 0):(f=(f-c)/s,m=e(f),u=(t-r)*m+r,d=(i-l)*m+l,n._translate(u,d),n.isAnimating&&h(o),void 0)}var n=this,r=this.x,l=this.y,c=a.getTime(),p=c+s;this.isAnimating=!0,o()},handleEvent:function(t){switch(t.type){case"touchstart":case"MSPointerDown":case"mousedown":this._start(t),this.options.zoom&&t.touches&&t.touches.length>1&&this._zoomStart(t);break;case"touchmove":case"MSPointerMove":case"mousemove":if(this.options.zoom&&t.touches&&t.touches[1])return this._zoom(t),void 0;this._move(t);break;case"touchend":case"MSPointerUp":case"mouseup":case"touchcancel":case"MSPointerCancel":case"mousecancel":if(this.scaled)return this._zoomEnd(t),void 0;this._end(t);break;case"orientationchange":case"resize":this._resize();break;case"transitionend":case"webkitTransitionEnd":case"oTransitionEnd":case"MSTransitionEnd":this._transitionEnd(t);break;case"DOMMouseScroll":case"mousewheel":if("zoom"==this.options.wheelAction)return this._wheelZoom(t),void 0;this._wheel(t);break;case"keydown":this._key(t)}}},r.prototype={handleEvent:function(t){switch(t.type){case"touchstart":case"MSPointerDown":case"mousedown":this._start(t);break;case"touchmove":case"MSPointerMove":case"mousemove":this._move(t);break;case"touchend":case"MSPointerUp":case"mouseup":case"touchcancel":case"MSPointerCancel":case"mousecancel":this._end(t)}},destroy:function(){this.options.interactive&&(a.removeEvent(this.indicator,"touchstart",this),a.removeEvent(this.indicator,"MSPointerDown",this),a.removeEvent(this.indicator,"mousedown",this),a.removeEvent(t,"touchmove",this),a.removeEvent(t,"MSPointerMove",this),a.removeEvent(t,"mousemove",this),a.removeEvent(t,"touchend",this),a.removeEvent(t,"MSPointerUp",this),a.removeEvent(t,"mouseup",this))},_start:function(i){var s=i.touches?i.touches[0]:i;i.preventDefault(),i.stopPropagation(),this.transitionTime(0),this.initiated=!0,this.lastPointX=s.pageX,this.lastPointY=s.pageY,this.startTime=a.getTime(),a.addEvent(t,"touchmove",this),a.addEvent(t,"MSPointerMove",this),a.addEvent(t,"mousemove",this)},_move:function(t){var i,s,e,o,n=t.touches?t.touches[0]:t;a.getTime(),i=n.pageX-this.lastPointX,this.lastPointX=n.pageX,s=n.pageY-this.lastPointY,this.lastPointY=n.pageY,e=this.x+i,o=this.y+s,this._pos(e,o),t.preventDefault(),t.stopPropagation()},_end:function(i){this.initiated&&(this.initiated=!1,i.preventDefault(),i.stopPropagation(),a.removeEvent(t,"touchmove",this),a.removeEvent(t,"MSPointerMove",this),a.removeEvent(t,"mousemove",this))},transitionTime:function(t){t=t||0,this.indicatorStyle[a.style.transitionDuration]=t+"ms"},transitionTimingFunction:function(t){this.indicatorStyle[a.style.transitionTimingFunction]=t},refresh:function(){this.transitionTime(0),this.indicatorStyle.display=this.options.listenX&&!this.options.listenY?this.scroller.hasHorizontalScroll?"block":"none":this.options.listenY&&!this.options.listenX?this.scroller.hasVerticalScroll?"block":"none":this.scroller.hasHorizontalScroll||this.scroller.hasVerticalScroll?"block":"none",this.scroller.hasHorizontalScroll&&this.scroller.hasVerticalScroll?(a.addClass(this.wrapper,"iScrollBothScrollbars"),a.removeClass(this.wrapper,"iScrollLoneScrollbar"),this.options.defaultScrollbars&&(this.options.listenX?this.wrapper.style.right="8px":this.wrapper.style.bottom="8px")):(a.removeClass(this.wrapper,"iScrollBothScrollbars"),a.addClass(this.wrapper,"iScrollLoneScrollbar"),this.options.defaultScrollbars&&(this.options.listenX?this.wrapper.style.right="2px":this.wrapper.style.bottom="2px")),this.wrapper.offsetHeight,this.options.listenX&&(this.wrapperWidth=this.wrapper.clientWidth,this.options.resize?(this.indicatorWidth=s.max(s.round(this.wrapperWidth*this.wrapperWidth/this.scroller.scrollerWidth),8),this.indicatorStyle.width=this.indicatorWidth+"px"):this.indicatorWidth=this.indicator.clientWidth,this.maxPosX=this.wrapperWidth-this.indicatorWidth,this.sizeRatioX=this.options.speedRatioX||this.scroller.maxScrollX&&this.maxPosX/this.scroller.maxScrollX),this.options.listenY&&(this.wrapperHeight=this.wrapper.clientHeight,this.options.resize?(this.indicatorHeight=s.max(s.round(this.wrapperHeight*this.wrapperHeight/this.scroller.scrollerHeight),8),this.indicatorStyle.height=this.indicatorHeight+"px"):this.indicatorHeight=this.indicator.clientHeight,this.maxPosY=this.wrapperHeight-this.indicatorHeight,this.sizeRatioY=this.options.speedRatioY||this.scroller.maxScrollY&&this.maxPosY/this.scroller.maxScrollY),this.updatePosition()},updatePosition:function(){var t=s.round(this.sizeRatioX*this.scroller.x)||0,i=s.round(this.sizeRatioY*this.scroller.y)||0;this.options.ignoreBoundaries||(0>t?t=0:t>this.maxPosX&&(t=this.maxPosX),0>i?i=0:i>this.maxPosY&&(i=this.maxPosY)),this.x=t,this.y=i,this.scroller.options.useTransform?this.indicatorStyle[a.style.transform]="translate("+t+"px,"+i+"px)"+this.scroller.translateZ:(this.indicatorStyle.left=t+"px",this.indicatorStyle.top=i+"px")},_pos:function(t,i){0>t?t=0:t>this.maxPosX&&(t=this.maxPosX),0>i?i=0:i>this.maxPosY&&(i=this.maxPosY),this.scroller.scrollTo(s.round(t/this.sizeRatioX),s.round(i/this.sizeRatioY))}},o.ease=a.ease,o}(window,document,Math);
\ No newline at end of file
+/*! iScroll v5.0.0-beta.2 ~ (c) 2008-2013 Matteo Spinelli ~ http://cubiq.org/license */
+var IScroll=function(t,i,s){function o(t,s){this.wrapper="string"==typeof t?i.querySelector(t):t,this.scroller=this.wrapper.children[0],this.scrollerStyle=this.scroller.style,this.options={zoomMin:1,zoomMax:4,resizeIndicator:!0,snapThreshold:10,startX:0,startY:0,scrollY:!0,directionLockThreshold:5,momentum:!0,bounce:!0,bounceTime:600,bounceEasing:"",preventDefault:!0,HWCompositing:!0,useTransition:!0,useTransform:!0};for(var e in s)this.options[e]=s[e];this.translateZ=this.options.HWCompositing&&a.hasPerspective?" translateZ(0)":"",this.options.useTransition=a.hasTransition&&this.options.useTransition,this.options.useTransform=a.hasTransform&&this.options.useTransform,this.options.eventPassthrough=this.options.eventPassthrough===!0?"vertical":this.options.eventPassthrough,this.options.preventDefault=!this.options.eventPassthrough&&this.options.preventDefault,this.options.scrollY="vertical"==this.options.eventPassthrough?!1:this.options.scrollY,this.options.scrollX="horizontal"==this.options.eventPassthrough?!1:this.options.scrollX,this.options.freeScroll=this.options.freeScroll&&!this.options.eventPassthrough,this.options.directionLockThreshold=this.options.eventPassthrough?0:this.options.directionLockThreshold,this.options.bounceEasing="string"==typeof this.options.bounceEasing?a.ease[this.options.bounceEasing]||a.ease.circular:this.options.bounceEasing,this.options.tap===!0&&(this.options.tap="tap"),this.options.invertWheelDirection=this.options.invertWheelDirection?-1:1,this.x=0,this.y=0,this._events={},this.scale=1,this._init(),this.refresh(),this.scrollTo(this.options.startX,this.options.startY),this.enable()}function n(t,s,e){var o=i.createElement("div"),n=i.createElement("div");return e===!0&&(o.style.cssText="position:absolute;z-index:9999",n.style.cssText="-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box;position:absolute;background:rgba(0,0,0,0.5);border:1px solid rgba(255,255,255,0.9);border-radius:3px"),n.className="iScrollIndicator","h"==t?(e===!0&&(o.style.cssText+=";height:7px;left:2px;right:2px;bottom:0",n.style.height="100%"),o.className="iScrollHorizontalScrollbar"):(e===!0&&(o.style.cssText+=";width:7px;bottom:2px;top:2px;right:1px",n.style.width="100%"),o.className="iScrollVerticalScrollbar"),s||(o.style.pointerEvents="none"),o.appendChild(n),o}function r(s,e){this.wrapper="string"==typeof e.el?i.querySelector(e.el):e.el,this.indicator=this.wrapper.children[0],this.indicatorStyle=this.indicator.style,this.scroller=s,this.options={listenX:!0,listenY:!0,interactive:!1,resize:!0,defaultScrollbars:!1,speedRatioX:0,speedRatioY:0};for(var o in e)this.options[o]=e[o];this.sizeRatioX=1,this.sizeRatioY=1,this.maxPosX=0,this.maxPosY=0,this.options.interactive&&(a.addEvent(this.indicator,"touchstart",this),a.addEvent(this.indicator,"MSPointerDown",this),a.addEvent(this.indicator,"mousedown",this),a.addEvent(t,"touchend",this),a.addEvent(t,"MSPointerUp",this),a.addEvent(t,"mouseup",this))}var h=t.requestAnimationFrame||t.webkitRequestAnimationFrame||t.mozRequestAnimationFrame||t.oRequestAnimationFrame||t.msRequestAnimationFrame||function(i){t.setTimeout(i,1e3/60)},a=function(){function o(t){return h===!1?!1:""===h?t:h+t.charAt(0).toUpperCase()+t.substr(1)}var n={},r=i.createElement("div").style,h=function(){for(var t,i=["t","webkitT","MozT","msT","OT"],s=0,e=i.length;e>s;s++)if(t=i[s]+"ransform",t in r)return i[s].substr(0,i[s].length-1);return!1}();n.getTime=Date.now||function(){return(new Date).getTime()},n.extend=function(t,i){for(var s in i)t[s]=i[s]},n.addEvent=function(t,i,s,e){t.addEventListener(i,s,!!e)},n.removeEvent=function(t,i,s,e){t.removeEventListener(i,s,!!e)},n.momentum=function(t,i,e,o,n){var r,h,a=t-i,l=s.abs(a)/e,c=6e-4;return r=t+l*l/(2*c)*(0>a?-1:1),h=l/c,o>r?(r=n?o-n/2.5*(l/8):o,a=s.abs(r-t),h=a/l):r>0&&(r=n?n/2.5*(l/8):0,a=s.abs(t)+r,h=a/l),{destination:s.round(r),duration:h}};var a=o("transform");return n.extend(n,{hasTransform:a!==!1,hasPerspective:o("perspective")in r,hasTouch:"ontouchstart"in t,hasPointer:navigator.msPointerEnabled,hasTransition:o("transition")in r}),n.isAndroidBrowser=/Android/.test(t.navigator.appVersion)&&/Version\/\d/.test(t.navigator.appVersion),n.extend(n.style={},{transform:a,transitionTimingFunction:o("transitionTimingFunction"),transitionDuration:o("transitionDuration"),transformOrigin:o("transformOrigin")}),n.hasClass=function(t,i){var s=new RegExp("(^|\\s)"+i+"(\\s|$)");return s.test(t.className)},n.addClass=function(t,i){if(!n.hasClass(t,i)){var s=t.className.split(" ");s.push(i),t.className=s.join(" ")}},n.removeClass=function(t,i){if(n.hasClass(t,i)){var s=new RegExp("(^|\\s)"+i+"(\\s|$)","g");t.className=t.className.replace(s,"")}},n.offset=function(t){for(var i=-t.offsetLeft,s=-t.offsetTop;t=t.offsetParent;)i-=t.offsetLeft,s-=t.offsetTop;return{left:i,top:s}},n.extend(n.eventType={},{touchstart:1,touchmove:1,touchend:1,mousedown:2,mousemove:2,mouseup:2,MSPointerDown:3,MSPointerMove:3,MSPointerUp:3}),n.extend(n.ease={},{quadratic:{style:"cubic-bezier(0.25, 0.46, 0.45, 0.94)",fn:function(t){return t*(2-t)}},circular:{style:"cubic-bezier(0.1, 0.57, 0.1, 1)",fn:function(t){return s.sqrt(1- --t*t)}},back:{style:"cubic-bezier(0.175, 0.885, 0.32, 1.275)",fn:function(t){var i=4;return(t-=1)*t*((i+1)*t+i)+1}},bounce:{style:"",fn:function(t){return(t/=1)<1/2.75?7.5625*t*t:2/2.75>t?7.5625*(t-=1.5/2.75)*t+.75:2.5/2.75>t?7.5625*(t-=2.25/2.75)*t+.9375:7.5625*(t-=2.625/2.75)*t+.984375}},elastic:{style:"",fn:function(t){return f=.22,e=.4,0===t?0:1==t?1:e*s.pow(2,-10*t)*s.sin((t-f/4)*2*s.PI/f)+1}}}),n.tap=function(t,s){var e=i.createEvent("Event");e.initEvent(s,!0,!0),e.pageX=t.pageX,e.pageY=t.pageY,t.target.dispatchEvent(e)},n.click=function(t){var s,e=t.target;"SELECT"!=e.tagName&&"INPUT"!=e.tagName&&"TEXTAREA"!=e.tagName&&(s=i.createEvent("MouseEvents"),s.initMouseEvent("click",!0,!0,t.view,1,e.screenX,e.screenY,e.clientX,e.clientY,t.ctrlKey,t.altKey,t.shiftKey,t.metaKey,0,null),s._constructed=!0,e.dispatchEvent(s))},n}();return o.prototype={version:"5.0.0-beta.2",_init:function(){this._initEvents(),this.options.zoom&&this._initZoom(),(this.options.scrollbars||this.options.indicators)&&this._initIndicators(),this.options.mouseWheel&&this._initWheel(),this.options.snap&&this._initSnap(),this.options.keyBindings&&this._initKeys()},destroy:function(){this._initEvents(!0),this._execEvent("destroy")},_transitionEnd:function(t){t.target==this.scroller&&(this._transitionTime(0),this.resetPosition(this.options.bounceTime)||this._execEvent("scrollEnd"))},_start:function(t){if(this.enabled&&(!this.initiated||a.eventType[t.type]===this.initiated)){this.options.preventDefault&&!a.isAndroidBrowser&&t.preventDefault();var i,e=t.touches?t.touches[0]:t;this.initiated=a.eventType[t.type],this.moved=!1,this.distX=0,this.distY=0,this.directionX=0,this.directionY=0,this.directionLocked=0,this._transitionTime(),this.isAnimating=!1,this.startTime=a.getTime(),this.options.useTransition&&this.isInTransition&&(i=this.getComputedPosition(),this._translate(s.round(i.x),s.round(i.y)),this.isInTransition=!1),this.startX=this.x,this.startY=this.y,this.absStartX=this.x,this.absStartY=this.y,this.pointX=e.pageX,this.pointY=e.pageY,this._execEvent("scrollStart")}},_move:function(t){if(this.enabled&&a.eventType[t.type]===this.initiated){this.options.preventDefault&&t.preventDefault();var i,e,o,n,r=t.touches?t.touches[0]:t,h=r.pageX-this.pointX,l=r.pageY-this.pointY,c=a.getTime();if(this.pointX=r.pageX,this.pointY=r.pageY,this.distX+=h,this.distY+=l,o=s.abs(this.distX),n=s.abs(this.distY),!(c-this.endTime>300&&10>o&&10>n)){if(this.directionLocked||this.options.freeScroll||(this.directionLocked=o>n+this.options.directionLockThreshold?"h":n>=o+this.options.directionLockThreshold?"v":"n"),"h"==this.directionLocked){if("vertical"==this.options.eventPassthrough)t.preventDefault();else if("horizontal"==this.options.eventPassthrough)return this.initiated=!1,void 0;l=0}else if("v"==this.directionLocked){if("horizontal"==this.options.eventPassthrough)t.preventDefault();else if("vertical"==this.options.eventPassthrough)return this.initiated=!1,void 0;h=0}i=this.x+(this.hasHorizontalScroll?h:0),e=this.y+(this.hasVerticalScroll?l:0),(i>0||i<this.maxScrollX)&&(i=this.options.bounce?this.x+h/3:i>0?0:this.maxScrollX),(e>0||e<this.maxScrollY)&&(e=this.options.bounce?this.y+l/3:e>0?0:this.maxScrollY),this.directionX=h>0?-1:0>h?1:0,this.directionY=l>0?-1:0>l?1:0,this.moved=!0,this._translate(i,e),c-this.startTime>300&&(this.startTime=c,this.startX=this.x,this.startY=this.y)}}},_end:function(t){if(this.enabled&&a.eventType[t.type]===this.initiated){this.options.preventDefault&&t.preventDefault();var i,e,o=(t.changedTouches?t.changedTouches[0]:t,a.getTime()-this.startTime),n=s.round(this.x),r=s.round(this.y),h=0,l="";if(this.scrollTo(n,r),this.isInTransition=0,this.initiated=0,this.endTime=a.getTime(),!this.resetPosition(this.options.bounceTime)){if(!this.moved)return this.options.tap&&a.tap(t,this.options.tap),this.options.click&&a.click(t),void 0;if(this.options.momentum&&300>o&&(i=this.hasHorizontalScroll?a.momentum(this.x,this.startX,o,this.maxScrollX,this.options.bounce?this.wrapperWidth:0):{destination:n,duration:0},e=this.hasVerticalScroll?a.momentum(this.y,this.startY,o,this.maxScrollY,this.options.bounce?this.wrapperHeight:0):{destination:r,duration:0},n=i.destination,r=e.destination,h=s.max(i.duration,e.duration),this.isInTransition=1),this.options.snap){var c=this._nearestSnap(n,r);this.currentPage=c,n=c.x,r=c.y,h=this.options.snapSpeed||s.max(s.max(s.min(s.abs(n-this.x),1e3),s.min(s.abs(r-this.y),1e3)),300),l=this.options.bounceEasing}return n!=this.x||r!=this.y?((n>0||n<this.maxScrollX||r>0||r<this.maxScrollY)&&(l=a.ease.quadratic),this.scrollTo(n,r,h,l),void 0):(this._execEvent("scrollEnd"),void 0)}}},_resize:function(){var t=this;clearTimeout(this.resizeTimeout),this.resizeTimeout=setTimeout(function(){t.refresh(),t.resetPosition()},60)},resetPosition:function(t){if(this.x<=0&&this.x>=this.maxScrollX&&this.y<=0&&this.y>=this.maxScrollY)return!1;var i=this.x,s=this.y;if(t=t||0,!this.hasHorizontalScroll||this.x>0?i=0:this.x<this.maxScrollX&&(i=this.maxScrollX),!this.hasVerticalScroll||this.y>0?s=0:this.y<this.maxScrollY&&(s=this.maxScrollY),this.options.snap){var e=this._nearestSnap(i,s);this.currentPage=e,i=e.x,s=e.y}return this.scrollTo(i,s,t,this.options.bounceEasing),!0},disable:function(){this.enabled=!1},enable:function(){this.enabled=!0},refresh:function(){this.wrapper.offsetHeight,this.wrapperWidth=this.wrapper.clientWidth,this.wrapperHeight=this.wrapper.clientHeight,this.scrollerWidth=s.round(this.scroller.offsetWidth*this.scale),this.scrollerHeight=s.round(this.scroller.offsetHeight*this.scale),this.maxScrollX=this.wrapperWidth-this.scrollerWidth,this.maxScrollY=this.wrapperHeight-this.scrollerHeight,this.maxScrollX>0&&(this.maxScrollX=0),this.maxScrollY>0&&(this.maxScrollY=0),this.hasHorizontalScroll=this.options.scrollX&&this.maxScrollX<0,this.hasVerticalScroll=this.options.scrollY&&this.maxScrollY<0,this.endTime=0,this.wrapperOffset=a.offset(this.wrapper),this._execEvent("refresh")},on:function(t,i){this._events[t]||(this._events[t]=[]),this._events[t].push(i)},_execEvent:function(t){if(this._events[t]){var i=0,s=this._events[t].length;if(s)for(;s>i;i++)this._events[t][i].call(this)}},scrollBy:function(t,i,s,e){t=this.x+t,i=this.y+i,s=s||0,this.scrollTo(t,i,s,e)},scrollTo:function(t,i,s,e){e=e||a.ease.circular,!s||this.options.useTransition&&e.style?(this._transitionTimingFunction(e.style),this._transitionTime(s),this._translate(t,i)):this._animate(t,i,s,e.fn)},scrollToElement:function(t,i,e,o,n){if(t=t.nodeType?t:this.scroller.querySelector(t)){var r=a.offset(t);r.left-=this.wrapperOffset.left,r.top-=this.wrapperOffset.top,e===!0&&(e=s.round(t.offsetWidth/2-this.wrapper.offsetWidth/2)),o===!0&&(o=s.round(t.offsetHeight/2-this.wrapper.offsetHeight/2)),r.left-=e||0,r.top-=o||0,r.left=r.left>0?0:r.left<this.maxScrollX?this.maxScrollX:r.left,r.top=r.top>0?0:r.top<this.maxScrollY?this.maxScrollY:r.top,i=s.max(2*s.abs(r.left),2*s.abs(r.top)),this.scrollTo(r.left,r.top,i,n)}},_transitionTime:function(t){t=t||0,this.scrollerStyle[a.style.transitionDuration]=t+"ms",this.indicator1&&this.indicator1.transitionTime(t),this.indicator2&&this.indicator2.transitionTime(t)},_transitionTimingFunction:function(t){this.scrollerStyle[a.style.transitionTimingFunction]=t,this.indicator1&&this.indicator1.transitionTimingFunction(t),this.indicator2&&this.indicator2.transitionTimingFunction(t)},_translate:function(t,i){this.options.useTransform?this.scrollerStyle[a.style.transform]="translate("+t+"px,"+i+"px) scale("+this.scale+") "+this.translateZ:(t=s.round(t),i=s.round(i),this.scrollerStyle.left=t+"px",this.scrollerStyle.top=i+"px"),this.x=t,this.y=i,this.indicator1&&this.indicator1.updatePosition(),this.indicator2&&this.indicator2.updatePosition()},_initEvents:function(i){var s=i?a.removeEvent:a.addEvent,e=this.options.bindToWrapper?this.wrapper:t;s(t,"orientationchange",this),s(t,"resize",this),s(this.wrapper,"mousedown",this),s(e,"mousemove",this),s(e,"mousecancel",this),s(e,"mouseup",this),a.hasPointer&&(s(this.wrapper,"MSPointerDown",this),s(e,"MSPointerMove",this),s(e,"MSPointerCancel",this),s(e,"MSPointerUp",this)),a.hasTouch&&(s(this.wrapper,"touchstart",this),s(e,"touchmove",this),s(e,"touchcancel",this),s(e,"touchend",this)),s(this.scroller,"transitionend",this),s(this.scroller,"webkitTransitionEnd",this),s(this.scroller,"oTransitionEnd",this),s(this.scroller,"MSTransitionEnd",this)},getComputedPosition:function(){var i,s,e=t.getComputedStyle(this.scroller,null);return this.options.useTransform?(e=e[a.style.transform].split(")")[0].split(", "),i=+(e[12]||e[4]),s=+(e[13]||e[5])):(i=+e.left.replace(/[^-\d]/g,""),s=+e.top.replace(/[^-\d]/g,"")),{x:i,y:s}},_initIndicators:function(){var t,i,s=this.options.interactiveScrollbars;"object"!=typeof this.options.scrollbars,this.options.scrollbars?(this.options.scrollY&&(t={el:n("v",s,this.options.scrollbars),interactive:s,defaultScrollbars:!0,resize:this.options.resizeIndicator,listenX:!1},this.wrapper.appendChild(t.el)),this.options.scrollX&&(i={el:n("h",s,this.options.scrollbars),interactive:s,defaultScrollbars:!0,resize:this.options.resizeIndicator,listenY:!1},this.wrapper.appendChild(i.el))):(t=this.options.indicators.length?this.options.indicators[0]:this.options.indicators,i=this.options.indicators[1]&&this.options.indicators[1]),t&&(this.indicator1=new r(this,t)),i&&(this.indicator2=new r(this,i)),this.on("refresh",function(){this.indicator1&&this.indicator1.refresh(),this.indicator2&&this.indicator2.refresh()}),this.on("destroy",function(){this.indicator1&&this.indicator1.destroy(),this.indicator2&&this.indicator2.destroy()})},_initZoom:function(){this.scrollerStyle[a.style.transformOrigin]="0 0"},_zoomStart:function(t){var i=s.abs(t.touches[0].pageX-t.touches[1].pageX),e=s.abs(t.touches[0].pageY-t.touches[1].pageY);this.touchesDistanceStart=s.sqrt(i*i+e*e),this.startScale=this.scale,this.originX=s.abs(t.touches[0].pageX+t.touches[1].pageX)/2+this.wrapperOffset.left-this.x,this.originY=s.abs(t.touches[0].pageY+t.touches[1].pageY)/2+this.wrapperOffset.top-this.y,this._execEvent("zoomStart")},_zoom:function(t){if(this.enabled&&a.eventType[t.type]===this.initiated){this.options.preventDefault&&t.preventDefault();var i,e,o,n=s.abs(t.touches[0].pageX-t.touches[1].pageX),r=s.abs(t.touches[0].pageY-t.touches[1].pageY),h=s.sqrt(n*n+r*r),l=1/this.touchesDistanceStart*h*this.startScale;this.scaled=!0,l<this.options.zoomMin?l=.5*this.options.zoomMin*s.pow(2,l/this.options.zoomMin):l>this.options.zoomMax&&(l=2*this.options.zoomMax*s.pow(.5,this.options.zoomMax/l)),i=l/this.startScale,e=this.originX-this.originX*i+this.startX,o=this.originY-this.originY*i+this.startY,this.scale=l,this.scrollTo(e,o,0)}},_zoomEnd:function(t){if(this.enabled&&a.eventType[t.type]===this.initiated){this.options.preventDefault&&t.preventDefault();var i,s,e;this.isInTransition=0,this.initiated=0,this.scale>this.options.zoomMax?this.scale=this.options.zoomMax:this.scale<this.options.zoomMin&&(this.scale=this.options.zoomMin),this.refresh(),e=this.scale/this.startScale,i=this.originX-this.originX*e+this.startX,s=this.originY-this.originY*e+this.startY,i>0?i=0:i<this.maxScrollX&&(i=this.maxScrollX),s>0?s=0:s<this.maxScrollY&&(s=this.maxScrollY),(this.x!=i||this.y!=s)&&this.scrollTo(i,s,this.options.bounceTime),this.scaled=!1,this._execEvent("zoomEnd")}},zoom:function(t,i,s,e){if(t<this.options.zoomMin?t=this.options.zoomMin:t>this.options.zoomMax&&(t=this.options.zoomMax),t!=this.scale){var o=t/this.scale;i=void 0===i?this.wrapperWidth/2:i,s=void 0===s?this.wrapperHeight/2:s,e=void 0===e?300:e,i=i+this.wrapperOffset.left-this.x,s=s+this.wrapperOffset.top-this.y,i=i-i*o+this.x,s=s-s*o+this.y,this.scale=t,this.refresh(),i>0?i=0:i<this.maxScrollX&&(i=this.maxScrollX),s>0?s=0:s<this.maxScrollY&&(s=this.maxScrollY),this.scrollTo(i,s,e)}},_wheelZoom:function(t){var i,e;if("wheelDeltaX"in t)i=t.wheelDeltaY/s.abs(t.wheelDeltaY);else if("wheelDelta"in t)i=t.wheelDelta/s.abs(t.wheelDelta);else{if(!("detail"in t))return;i=-t.detail/s.abs(t.wheelDelta)}e=this.scale+i/5,this.zoom(e,t.pageX,t.pageY,0)},_initWheel:function(){a.addEvent(this.wrapper,"mousewheel",this),a.addEvent(this.wrapper,"DOMMouseScroll",this),this.on("destroy",function(){a.removeEvent(this.wrapper,"mousewheel",this),a.removeEvent(this.wrapper,"DOMMouseScroll",this)})},_wheel:function(t){var i,s,e,o,n=this;if(clearTimeout(this.wheelTimeout),this.wheelTimeout=setTimeout(function(){n._execEvent("scrollEnd")},400),t.preventDefault(),"wheelDeltaX"in t)i=t.wheelDeltaX/120,s=t.wheelDeltaY/120;else if("wheelDelta"in t)i=s=t.wheelDelta/120;else{if(!("detail"in t))return;i=s=-t.detail/3}i*=10,s*=10,this.hasVerticalScroll||(i=s),e=this.x+(this.hasHorizontalScroll?i*this.options.invertWheelDirection:0),o=this.y+(this.hasVerticalScroll?s*this.options.invertWheelDirection:0),e>0?e=0:e<this.maxScrollX&&(e=this.maxScrollX),o>0?o=0:o<this.maxScrollY&&(o=this.maxScrollY),this.scrollTo(e,o,0)},_initSnap:function(){this.pages=[],this.currentPage={},"string"==typeof this.options.snap&&(this.options.snap=this.scroller.querySelectorAll(this.options.snap)),this.on("refresh",function(){var t,i,e,o,n,r,h=0,a=0,l=0,c=this.options.snapStepX||this.wrapperWidth,p=this.options.snapStepY||this.wrapperHeight;if(this.options.snap===!0)for(e=s.round(c/2),o=s.round(p/2);l>-this.scrollerWidth;){for(this.pages[h]=[],t=0,n=0;n>-this.scrollerHeight;)this.pages[h][t]={x:s.max(l,this.maxScrollX),y:s.max(n,this.maxScrollY),cx:l-e,cy:n-o},n-=p,t++;l-=c,h++}else for(r=this.options.snap,t=r.length,i=-1;t>h;h++)(0===h||r[h].offsetLeft<r[h-1].offsetLeft)&&(a=0,i++),this.pages[a]||(this.pages[a]=[]),l=s.max(-r[h].offsetLeft,this.maxScrollX),n=s.max(-r[h].offsetTop,this.maxScrollY),e=l-s.round(r[h].offsetWidth/2),o=n-s.round(r[h].offsetHeight/2),this.pages[a][i]={x:l,y:n,cx:e,cy:o},a++;this.currentPage={x:this.pages[0][0].x,y:this.pages[0][0].y,pageX:0,pageY:0}})},_nearestSnap:function(t,i){var e=0,o=this.pages.length,n=0;if(s.abs(t-this.absStartX)<this.options.snapThreshold&&s.abs(i-this.absStartY)<this.options.snapThreshold)return this.currentPage;for(t>0?t=0:t<this.maxScrollX&&(t=this.maxScrollX),i>0?i=0:i<this.maxScrollY&&(i=this.maxScrollY);o>e;e++)if(t>=this.pages[e][0].cx){t=this.pages[e][0].x;break}for(o=this.pages[e].length;o>n;n++)if(i>=this.pages[0][n].cy){i=this.pages[0][n].y;break}return e==this.currentPage.pageX&&(e+=this.directionX,0>e?e=0:e>=this.pages.length&&(e=this.pages.length-1),t=this.pages[e][0].x),n==this.currentPage.pageY&&(n+=this.directionY,0>n?n=0:n>=this.pages[0].length&&(n=this.pages[0].length-1),i=this.pages[0][n].y),{x:t,y:i,pageX:e,pageY:n}},goToPage:function(t,i,e,o){t>=this.pages.length?t=this.pages.length-1:0>t&&(t=0),i>=this.pages[0].length?i=this.pages[0].length-1:0>i&&(i=0);var n=this.pages[t][i].x,r=this.pages[t][i].y;e=e||this.options.snapSpeed||s.max(s.max(s.min(s.abs(n-this.x),1e3),s.min(s.abs(r-this.y),1e3)),300),this.currentPage={x:n,y:r,pageX:t,pageY:i},this.scrollTo(n,r,e,o)},next:function(t,i){var s=this.currentPage.pageX,e=this.currentPage.pageY;s++,s>=this.pages.length&&this.hasVericalScroll&&(s=0,e++),this.goToPage(s,e,t,i)},prev:function(t,i){var s=this.currentPage.pageX,e=this.currentPage.pageY;s--,0>s&&this.hasVericalScroll&&(s=0,e--),this.goToPage(s,e,t,i)},_initKeys:function(){var i,s={pageUp:33,pageDown:34,end:35,home:36,left:37,up:38,right:39,down:40};if("object"==typeof this.options.keyBindings)for(i in this.options.keyBindings)"string"==typeof this.options.keyBindings[i]&&(this.options.keyBindings[i]=this.options.keyBindings[i].toUpperCase().charCodeAt(0));else this.options.keyBindings={};for(i in s)this.options.keyBindings[i]=this.options.keyBindings[i]||s[i];a.addEvent(t,"keydown",this),this.on("destroy",function(){a.removeEvent(t,"keydown",this)})},_key:function(t){var i,e=this.options.snap,o=e?this.currentPage.pageX:this.x,n=e?this.currentPage.pageY:this.y,r=a.getTime(),h=this.keyTime||0,l=.25;switch(this.options.useTransition&&this.isInTransition&&(i=this.getComputedPosition(),this._translate(s.round(i.x),s.round(i.y)),this.isInTransition=!1),this.keyAcceleration=200>r-h?s.min(this.keyAcceleration+l,50):0,t.keyCode){case this.options.keyBindings.pageUp:this.hasHorizontalScroll&&!this.hasVerticalScroll?o+=e?1:this.wrapperWidth:n+=e?1:this.wrapperHeight;break;case this.options.keyBindings.pageDown:this.hasHorizontalScroll&&!this.hasVerticalScroll?o-=e?1:this.wrapperWidth:n-=e?1:this.wrapperHeight;break;case this.options.keyBindings.end:o=e?this.pages.length-1:this.maxScrollX,n=e?this.pages[0].length-1:this.maxScrollY;break;case this.options.keyBindings.home:o=0,n=0;break;case this.options.keyBindings.left:o+=e?-1:5+this.keyAcceleration>>0;break;case this.options.keyBindings.up:n+=e?1:5+this.keyAcceleration>>0;break;case this.options.keyBindings.right:o-=e?-1:5+this.keyAcceleration>>0;break;case this.options.keyBindings.down:n-=e?1:5+this.keyAcceleration>>0}return e?(this.goToPage(o,n),void 0):(o>0?(o=0,this.keyAcceleration=0):o<this.maxScrollX&&(o=this.maxScrollX,this.keyAcceleration=0),n>0?(n=0,this.keyAcceleration=0):n<this.maxScrollY&&(n=this.maxScrollY,this.keyAcceleration=0),this.scrollTo(o,n,0),this.keyTime=r,void 0)},_animate:function(t,i,s,e){function o(){var u,d,m,f=a.getTime();return f>=p?(n.isAnimating=!1,n._translate(t,i),n.resetPosition(n.options.bounceTime),void 0):(f=(f-c)/s,m=e(f),u=(t-r)*m+r,d=(i-l)*m+l,n._translate(u,d),n.isAnimating&&h(o),void 0)}var n=this,r=this.x,l=this.y,c=a.getTime(),p=c+s;this.isAnimating=!0,o()},handleEvent:function(t){switch(t.type){case"touchstart":case"MSPointerDown":case"mousedown":this._start(t),this.options.zoom&&t.touches&&t.touches.length>1&&this._zoomStart(t);break;case"touchmove":case"MSPointerMove":case"mousemove":if(this.options.zoom&&t.touches&&t.touches[1])return this._zoom(t),void 0;this._move(t);break;case"touchend":case"MSPointerUp":case"mouseup":case"touchcancel":case"MSPointerCancel":case"mousecancel":if(this.scaled)return this._zoomEnd(t),void 0;this._end(t);break;case"orientationchange":case"resize":this._resize();break;case"transitionend":case"webkitTransitionEnd":case"oTransitionEnd":case"MSTransitionEnd":this._transitionEnd(t);break;case"DOMMouseScroll":case"mousewheel":if("zoom"==this.options.wheelAction)return this._wheelZoom(t),void 0;this._wheel(t);break;case"keydown":this._key(t)}}},r.prototype={handleEvent:function(t){switch(t.type){case"touchstart":case"MSPointerDown":case"mousedown":this._start(t);break;case"touchmove":case"MSPointerMove":case"mousemove":this._move(t);break;case"touchend":case"MSPointerUp":case"mouseup":case"touchcancel":case"MSPointerCancel":case"mousecancel":this._end(t)}},destroy:function(){this.options.interactive&&(a.removeEvent(this.indicator,"touchstart",this),a.removeEvent(this.indicator,"MSPointerDown",this),a.removeEvent(this.indicator,"mousedown",this),a.removeEvent(t,"touchmove",this),a.removeEvent(t,"MSPointerMove",this),a.removeEvent(t,"mousemove",this),a.removeEvent(t,"touchend",this),a.removeEvent(t,"MSPointerUp",this),a.removeEvent(t,"mouseup",this))},_start:function(i){var s=i.touches?i.touches[0]:i;i.preventDefault(),i.stopPropagation(),this.transitionTime(0),this.initiated=!0,this.lastPointX=s.pageX,this.lastPointY=s.pageY,this.startTime=a.getTime(),a.addEvent(t,"touchmove",this),a.addEvent(t,"MSPointerMove",this),a.addEvent(t,"mousemove",this)},_move:function(t){var i,s,e,o,n=t.touches?t.touches[0]:t;a.getTime(),i=n.pageX-this.lastPointX,this.lastPointX=n.pageX,s=n.pageY-this.lastPointY,this.lastPointY=n.pageY,e=this.x+i,o=this.y+s,this._pos(e,o),t.preventDefault(),t.stopPropagation()},_end:function(i){this.initiated&&(this.initiated=!1,i.preventDefault(),i.stopPropagation(),a.removeEvent(t,"touchmove",this),a.removeEvent(t,"MSPointerMove",this),a.removeEvent(t,"mousemove",this))},transitionTime:function(t){t=t||0,this.indicatorStyle[a.style.transitionDuration]=t+"ms"},transitionTimingFunction:function(t){this.indicatorStyle[a.style.transitionTimingFunction]=t},refresh:function(){this.transitionTime(0),this.indicatorStyle.display=this.options.listenX&&!this.options.listenY?this.scroller.hasHorizontalScroll?"block":"none":this.options.listenY&&!this.options.listenX?this.scroller.hasVerticalScroll?"block":"none":this.scroller.hasHorizontalScroll||this.scroller.hasVerticalScroll?"block":"none",this.scroller.hasHorizontalScroll&&this.scroller.hasVerticalScroll?(a.addClass(this.wrapper,"iScrollBothScrollbars"),a.removeClass(this.wrapper,"iScrollLoneScrollbar"),this.options.defaultScrollbars&&(this.options.listenX?this.wrapper.style.right="8px":this.wrapper.style.bottom="8px")):(a.removeClass(this.wrapper,"iScrollBothScrollbars"),a.addClass(this.wrapper,"iScrollLoneScrollbar"),this.options.defaultScrollbars&&(this.options.listenX?this.wrapper.style.right="2px":this.wrapper.style.bottom="2px")),this.wrapper.offsetHeight,this.options.listenX&&(this.wrapperWidth=this.wrapper.clientWidth,this.options.resize?(this.indicatorWidth=s.max(s.round(this.wrapperWidth*this.wrapperWidth/this.scroller.scrollerWidth),8),this.indicatorStyle.width=this.indicatorWidth+"px"):this.indicatorWidth=this.indicator.clientWidth,this.maxPosX=this.wrapperWidth-this.indicatorWidth,this.sizeRatioX=this.options.speedRatioX||this.scroller.maxScrollX&&this.maxPosX/this.scroller.maxScrollX),this.options.listenY&&(this.wrapperHeight=this.wrapper.clientHeight,this.options.resize?(this.indicatorHeight=s.max(s.round(this.wrapperHeight*this.wrapperHeight/this.scroller.scrollerHeight),8),this.indicatorStyle.height=this.indicatorHeight+"px"):this.indicatorHeight=this.indicator.clientHeight,this.maxPosY=this.wrapperHeight-this.indicatorHeight,this.sizeRatioY=this.options.speedRatioY||this.scroller.maxScrollY&&this.maxPosY/this.scroller.maxScrollY),this.updatePosition()},updatePosition:function(){var t=s.round(this.sizeRatioX*this.scroller.x)||0,i=s.round(this.sizeRatioY*this.scroller.y)||0;this.options.ignoreBoundaries||(0>t?t=0:t>this.maxPosX&&(t=this.maxPosX),0>i?i=0:i>this.maxPosY&&(i=this.maxPosY)),this.x=t,this.y=i,this.scroller.options.useTransform?this.indicatorStyle[a.style.transform]="translate("+t+"px,"+i+"px)"+this.scroller.translateZ:(this.indicatorStyle.left=t+"px",this.indicatorStyle.top=i+"px")},_pos:function(t,i){0>t?t=0:t>this.maxPosX&&(t=this.maxPosX),0>i?i=0:i>this.maxPosY&&(i=this.maxPosY),this.scroller.scrollTo(s.round(t/this.sizeRatioX),s.round(i/this.sizeRatioY))}},o.ease=a.ease,o}(window,document,Math);
\ No newline at end of file
diff --git a/package.json b/package.json
index 741603a5..ec766bf2 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "iscroll",
   "description": "Smooth scrolling for the web",
-  "version": "5.0.0-beta.1",
+  "version": "5.0.0-beta.2",
   "homepage": "http://cubiq.org/iscroll-4",
   "author": "Matteo Spinelli <matteo@cubiq.org> (http://cubiq.org)",
   "keywords": [
diff --git a/src/core.js b/src/core.js
index 7e3cedd9..81feda1a 100644
--- a/src/core.js
+++ b/src/core.js
@@ -11,7 +11,6 @@ function IScroll (el, options) {
 		startX: 0,
 		startY: 0,
 		scrollY: true,
-		lockDirection: true,
 		directionLockThreshold: 5,
 		momentum: true,
 
@@ -44,7 +43,7 @@ function IScroll (el, options) {
 	this.options.scrollX = this.options.eventPassthrough == 'horizontal' ? false : this.options.scrollX;
 
 	// With eventPassthrough we also need lockDirection mechanism
-	this.options.lockDirection = this.options.lockDirection || this.options.eventPassthrough;
+	this.options.freeScroll = this.options.freeScroll && !this.options.eventPassthrough;
 	this.options.directionLockThreshold = this.options.eventPassthrough ? 0 : this.options.directionLockThreshold;
 
 	this.options.bounceEasing = typeof this.options.bounceEasing == 'string' ? utils.ease[this.options.bounceEasing] || utils.ease.circular : this.options.bounceEasing;
@@ -168,13 +167,13 @@ IScroll.prototype = {
 		}
 
 		// If you are scrolling in one direction lock the other
-		if ( !this.directionLocked && this.options.lockDirection ) {
+		if ( !this.directionLocked && !this.options.freeScroll ) {
 			if ( absDistX > absDistY + this.options.directionLockThreshold ) {
 				this.directionLocked = 'h';		// lock horizontally
 			} else if ( absDistY >= absDistX + this.options.directionLockThreshold ) {
 				this.directionLocked = 'v';		// lock vertically
 			} else {
-				this.directionLocked = 0;		// no lock
+				this.directionLocked = 'n';		// no lock
 			}
 		}
 
@@ -246,6 +245,8 @@ IScroll.prototype = {
 			time = 0,
 			easing = '';
 
+		this.scrollTo(newX, newY);	// ensures that the last position is rounded
+
 		this.isInTransition = 0;
 		this.initiated = 0;
 		this.endTime = utils.getTime();
@@ -339,6 +340,13 @@ IScroll.prototype = {
 			y = this.maxScrollY;
 		}
 
+		if ( this.options.snap ) {
+			var snap = this._nearestSnap(x, y);
+			this.currentPage = snap;
+			x = snap.x;
+			y = snap.y;
+		}
+
 		this.scrollTo(x, y, time, this.options.bounceEasing);
 
 		return true;
diff --git a/src/snap/snap.js b/src/snap/snap.js
index 928c6689..66c69123 100644
--- a/src/snap/snap.js
+++ b/src/snap/snap.js
@@ -3,6 +3,10 @@
 		this.pages = [];
 		this.currentPage = {};
 
+		if ( typeof this.options.snap == 'string' ) {
+			this.options.snap = this.scroller.querySelectorAll(this.options.snap);
+		}
+
 		this.on('refresh', function () {
 			var i = 0, l,
 				m = 0, n,
@@ -16,12 +20,12 @@
 				cx = Math.round( stepX / 2 );
 				cy = Math.round( stepY / 2 );
 
-				while ( x >= -this.scrollerWidth ) {
+				while ( x > -this.scrollerWidth ) {
 					this.pages[i] = [];
 					l = 0;
 					y = 0;
 
-					while ( y >= -this.scrollerHeight ) {
+					while ( y > -this.scrollerHeight ) {
 						this.pages[i][l] = {
 							x: Math.max(x, this.maxScrollX),
 							y: Math.max(y, this.maxScrollY),
@@ -42,7 +46,7 @@
 				n = -1;
 
 				for ( ; i < l; i++ ) {
-					if ( el[i].offsetLeft === 0 ) {
+					if ( i === 0 || el[i].offsetLeft < el[i-1].offsetLeft ) {
 						m = 0;
 						n++;
 					}
@@ -87,6 +91,18 @@
 			return this.currentPage;
 		}
 
+		if ( x > 0 ) {
+			x = 0;
+		} else if ( x < this.maxScrollX ) {
+			x = this.maxScrollX;
+		}
+
+		if ( y > 0 ) {
+			y = 0;
+		} else if ( y < this.maxScrollY ) {
+			y = this.maxScrollY;
+		}
+
 		for ( ; i < l; i++ ) {
 			if ( x >= this.pages[i][0].cx ) {
 				x = this.pages[i][0].x;
@@ -138,7 +154,7 @@
 	goToPage: function (x, y, time, easing) {
 		if ( x >= this.pages.length ) {
 			x = this.pages.length - 1;
-		} else if ( x < 0) {
+		} else if ( x < 0 ) {
 			x = 0;
 		}
 
@@ -172,8 +188,12 @@
 		var x = this.currentPage.pageX,
 			y = this.currentPage.pageY;
 
-		x += this.hasHorizontalScroll ? 1 : 0;
-		y += this.hasVericalScroll ? 1 : 0;
+		x++;
+
+		if ( x >= this.pages.length && this.hasVericalScroll ) {
+			x = 0;
+			y++;
+		}
 
 		this.goToPage(x, y, time, easing);
 	},
@@ -182,8 +202,12 @@
 		var x = this.currentPage.pageX,
 			y = this.currentPage.pageY;
 
-		x -= this.hasHorizontalScroll ? 1 : 0;
-		y -= this.hasVericalScroll ? 1 : 0;
+		x--;
+
+		if ( x < 0 && this.hasVericalScroll ) {
+			x = 0;
+			y--;
+		}
 
 		this.goToPage(x, y, time, easing);
 	},