function rand(number) {
	return Math.ceil(Math.random()*number);
}

function SetClickTracksCookie()
{
	var thisCookie = GetCookie("CLICKTRACKSCOOKIE");
	if( thisCookie == null)
	{
		//Setup the random cookie value
		var myValue = new Date();
		var randNum = rand(100);		
		myValue = myValue.toGMTString() + "_" + randNum;

		//Setup the expiry date to expire in 2010
		var expiryDate = new Date();
		var date2010 = "Fri, 31 Dec 2030 23:00:00 EST";
		var dt = Date.parse(date2010);

		expiryDate.setTime(dt);

		SetCookie("CLICKTRACKSCOOKIE", myValue, expiryDate, "/", window.location.hostname);
	}
}

function SetPageVisitCookie()
{
	//var thisCookie = GetCookie("Page_Visits");
	var myValue="";
	//if( thisCookie == null)
	
		//Setup the random cookie value
		myValue = GetCookie ("Page_Visits");
							
		myValue += window.location.pathname +"\n";
		var randNum = rand(100);		
		
		//Setup the expiry date to expire in 2010
		var expiryDate = new Date();
		var date2010 = "Fri, 31 Dec 2030 23:00:00 EST";
		var dt = Date.parse(date2010);

		expiryDate.setTime(dt);

		SetCookie("Page_Visits", myValue, expiryDate, "/", window.location.hostname);
	
}



    function getCookieVal (offset) {
      var endstr = document.cookie.indexOf (";", offset);
      if (endstr == -1)
        endstr = document.cookie.length;
      return unescape(document.cookie.substring(offset, endstr));
    }

 
    function GetCookie (name) {
      var arg = name + "=";
      var alen = arg.length;
      var clen = document.cookie.length;
      var i = 0;
      while (i < clen) {
        var j = i + alen;
        if (document.cookie.substring(i, j) == arg)
          return getCookieVal (j);
        i = document.cookie.indexOf(" ", i) + 1;
        if (i == 0) break; 
      }
      return null;
    }

    
    //
    //      SetCookie (myCookieVar, cookieValueVar, null, "/myPath", null, true);
    //
    function SetCookie (name, value) {
      var argv = SetCookie.arguments;
      var argc = SetCookie.arguments.length;
      var expires = (argc > 2) ? argv[2] : null;
      var path = (argc > 3) ? argv[3] : null;
      var domain = (argc > 4) ? argv[4] : null;
      var secure = (argc > 5) ? argv[5] : false;
      document.cookie = name + "=" + escape (value) +
        ((expires == null) ? "" : ("; expires=" + expires.toGMTString())) +
        ((path == null) ? "" : ("; path=" + path)) +
        ((domain == null) ? "" : ("; domain=" + domain)) +
        ((secure == true) ? "; secure" : "");
    }

    //  Function to delete a cookie. (Sets expiration date to current date/time)
    //    name - String object containing the cookie name
    //
    function DeleteCookie (name) {
      var exp = new Date();
      exp.setTime (exp.getTime() - 1);  // This cookie is history
      var cval = GetCookie (name);
      document.cookie = name + "=" + cval + "; expires=" + exp.toGMTString();
    }



function Querystring(qs) { // optionally pass a querystring to parse
	this.params = {};
	
	if (qs == null) qs = location.search.substring(1, location.search.length);
	if (qs.length == 0) return;

// Turn <plus> back to <space>
// See: http://www.w3.org/TR/REC-html40/interact/forms.html#h-17.13.4.1
	qs = qs.replace(/\+/g, ' ');
	var args = qs.split('&'); // parse out name/value pairs separated via &
	
// split out each name=value pair
	for (var i = 0; i < args.length; i++) {
		var pair = args[i].split('=');
		var name = decodeURIComponent(pair[0]);
		
		var value = (pair.length==2)
			? decodeURIComponent(pair[1])
			: name;
		
		this.params[name] = value;
	}
}

Querystring.prototype.get = function(key, default_) {
	var value = this.params[key];
	return (value != null) ? value : default_;
}

Querystring.prototype.contains = function(key) {
	var value = this.params[key];
	return (value != null);
}

function SetPageSourceCookie()
{
		var param= new Querystring();
		
		var get_source = param.get('source','default_value');
		var  myValue ='';
		var expiryDate = new Date();
		var date2010 = "Fri, 31 Dec 2030 23:00:00 EST";
		var dt = Date.parse(date2010);

		expiryDate.setTime(dt);
		
		
		if (get_source !='default_value')  //source param exist
		
				{
					
					if ((document.referrer)!="")
							{
									myValue="U_adcam="+ get_source +"|"+"U_adref="+document.referrer;
									SetCookie("page_source", myValue, expiryDate, "/", window.location.hostname);
								//document.write("JS referrrer="+document.referrer) ;
							}
					else
							{
									myValue="U_adcam="+ get_source;
									SetCookie("page_source", myValue, expiryDate, "/", window.location.hostname);
								//document.write("referrer is empty");
							}
						
				}
}

//Call the Cookie functions

SetClickTracksCookie();
SetPageVisitCookie();

test_source = GetCookie('page_source');
if (test_source == null) 

    {
       //alert('source cookie not found');
        SetPageSourceCookie();
    }