Explore attributes: registration tag, names

Amended explore attributes logic to work also for Registration tags;
Added name of the explore attribute so that it is clear which http
parameter is used.

gettags.js

@@ -89,11 +89,11 @@ chrome.webRequest.onBeforeSendHeaders.addListener(
 
 		// explore attributes for the different coremetrics tags
 		// get all query parameters matching ..._a99 pattern - pv_a99, pr_a99, s_a99, o_a99, etc.
-		var exploreAttributesPattern = /_a([\d]+)$/;
+		var exploreAttributesPattern = /(_a|rg)([\d]+)$/;
 		var exploreAttributes = Object.keys(queryString).filter( function(element) {return exploreAttributesPattern.test(element)} );
 		for (index=0; index<exploreAttributes.length; index++) { 
 			attributeName = exploreAttributes[index];
-			attributeNameIndex = exploreAttributesPattern.exec(attributeName)[1];
+			attributeNameIndex = exploreAttributesPattern.exec(attributeName)[2];
 			tabParams[attributeName]=queryString[attributeName] || '';
 		}
 

tagwindow.js

@@ -70,7 +70,7 @@ var tid_hash = { 1: "Page View Tag",
 
 chrome.extension.onMessage.addListener(function(request, sender, sendResponse) {
     var whichSite = request.destinationUrl.split('/')[2];
-	var exploreAttributesPattern = /_a([\d]+)$/;
+	var exploreAttributesPattern = /(_a|rg)([\d]+)$/;
 	var exploreAttributes = Object.keys(request).filter( function(element) {return exploreAttributesPattern.test(element)} );
 
    $('.dialfooter').prepend(
@@ -96,8 +96,8 @@ chrome.extension.onMessage.addListener(function(request, sender, sendResponse) {
 		result = '';
 		for (index=0; index<exploreAttributes.length; index++) { 
 			attributeName = exploreAttributes[index];
-			attributeNameIndex = exploreAttributesPattern.exec(attributeName)[1];
-			result = result + (request[attributeName] ? '<tr><td width="100px">Attribute '+attributeNameIndex+' (Explore)</td><td>' + request[attributeName] + '</td></tr>' : '');
+			attributeNameIndex = exploreAttributesPattern.exec(attributeName)[2];
+			result = result + (request[attributeName] ? '<tr><td width="100px">Attribute '+attributeNameIndex+' (Explore) ('+attributeName+')</td><td>' + request[attributeName] + '</td></tr>' : '');
 		}
 		return result;
       })() +