// JavaScript
function captureVarForCookie(varToRead,cookieName)
{
    if (location.search != "")
    {
	    var x = location.search.substr(1).split("&");
	    for (var i=0; i<x.length; i++)
	    {
		    var y = x[i].split("=");
		    if ( y[0] == varToRead )
		    createCookie(cookieName,y[1],1);
	    }
    }
}

function fillTextFromCookie(formElement,cookieName)
{
	var stringForElement = "";
	var cookieArr = cookieName.split(',');
	
	for ( var i=0; i < cookieArr.length; i++ )
		stringForElement += cookieArr[i] + "=" + readCookie(cookieArr[i]) + ",";
	stringForElement = stringForElement.substring(0,(stringForElement.length-1));
    document.getElementById(formElement).value = stringForElement;
}

function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function eraseCookie(name) {
	createCookie(name,"",-1);
}

captureVarForCookie("utm_campaign","crm_utm_campaign");
captureVarForCookie("utm_source","crm_utm_source");
captureVarForCookie("utm_medium","crm_utm_medium");
captureVarForCookie("gclid","gclid_ck_c");