script.js

function change() {
  var selectBox = document.getElementById("selectBox");
  var selectedValue = selectBox.options[selectBox.selectedIndex].value;
  location.replace("?"+selectedValue)
}

function openSearch() {
  document.getElementById("myOverlay").style.display = "block";
}

function closeSearch() {
  document.getElementById("myOverlay").style.display = "none";
}

function goBack() {
  window.history.back();
}

function openPage(pageName,elmnt,color) {
  var i, tabcontent, tablinks;
  tabcontent = document.getElementsByClassName("tabcontent");
  for (i = 0; i < tabcontent.length; i++) {
    tabcontent[i].style.display = "none";
  }
  tablinks = document.getElementsByClassName("tablink");
  for (i = 0; i < tablinks.length; i++) {
    tablinks[i].style.backgroundColor = "";
  }
  document.getElementById(pageName).style.display = "block";
  elmnt.style.backgroundColor = color;
}

function logout() {
  var xmlhttp;
  if (window.XMLHttpRequest) {
    xmlhttp = new XMLHttpRequest();
  }
  else if (window.ActiveXObject) {
    xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
  }
  if (window.ActiveXObject) {
    document.execCommand("ClearAuthenticationCache");
    window.location.href=window.location.href;
  } else {
    xmlhttp.open("GET", 'OK', true, "logout", "logout");
    xmlhttp.send("");
    xmlhttp.onreadystatechange = function() {
      if (xmlhttp.readyState == 4) {window.location.href=window.location.href}
    }
  }
  return false;
}

function deleteAllCookies() {
  var cookies = document.cookie.split(";");

  for (var i = 0; i < cookies.length; i++) {
    var cookie = cookies[i];
    var eqPos = cookie.indexOf("=");
    var name = eqPos > -1 ? cookie.substr(0, eqPos) : cookie;
    document.cookie = name + "=;expires=Thu, 01 Jan 1970 00:00:00 GMT";
  }
}

function copyText (str) {
  var el = document.createElement('textarea');
  el.value = str;
  el.setAttribute('readonly', '');
  el.style = {position: 'absolute', left: '-9999px'};
  document.body.appendChild(el);
  el.select();
  document.execCommand('copy');
  document.body.removeChild(el);
  alert("Copied: " + el.value);
}