function popup(url, windowName, width, height)
{
	var resizable = true;
	var leftoffset = (screen.width - width - 10)/2;
	var topoffset = (screen.height - height - 40)/2;
	var resize = resizable ? 'yes' : 'no';

	var msgWindow = window.open(url,windowName,'Width=' + width + ',Height=' + height + ', resizable=' + resize + ',left=' + leftoffset + ', top=' + topoffset + ',status=true,scrollbars=yes');
	if (window.focus) msgWindow.focus();
}

function showLayerPopup(id)
{
    document.getElementById(id).style.visibility = 'visible';
}

function hideLayerPopup(id)
{
    document.getElementById(id).style.visibility = 'hidden';
}

function getEmail(id, base)
{
    document.getElementById(id).innerHTML = '<a href="mailto:' + base + '@sharefile.com" target="_blank">' + base + '@sharefile.com</a>';
}

function doNav(url)
{
    location.href = url;
}

//Code to correctly save Google Analytics sources in first-party cookie
function createCookie (cName, cValue, cTime) {  
      var date = new Date(), expires;
      cName += "=";
      cName += cValue;
      if (cTime) {
            date.setTime(date.getTime()+cTime);
            cName += "; expires="+date.toGMTString();
      }
      cName += "; path=/";
      document.cookie = cName;
}

function readCookie (name) {        
      var nameRegex = RegExp("(?:; |^)" + name + "=([^;]+)"), nameValue; // match name of cookie and store value in $1
      nameValue = nameRegex.exec(document.cookie);                      
      return nameValue && nameValue[1];
}

function readSubCookie (name, vari) {     // function to read subcookie of passed value of __utmz
      var nameRegex = new RegExp("(?:\\||\\.)" + name + "=([^|]+)"), nameValue;
      nameValue = nameRegex.exec(vari);
      return nameValue && nameValue[1];
}

(function () {
      var rh = readCookie("GASources");
      var lastrh = rh && (rh.indexOf(",") > -1 ? rh.substring(rh.lastIndexOf(",")+1) : rh);
      var utmz = readCookie('__utmz');
      var src = readSubCookie('utmcsr', utmz);
      var gclid = readSubCookie('utmgclid', utmz);
      if (gclid) {
            src = "adwords";
      }
      if (src !== lastrh) {
            rh = rh ? rh + "," : "";
            rh += src;
            createCookie("GASources", rh, 15768000000);
      }
})();
