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;
    }   
	
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 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 getURLParam()
{
	   var strParamName = "adcopy" // name of checked URL parameter
	   var strReturn = "";
       var strHref = window.location.href;
   	 if ( strHref.indexOf("?") > -1 )
	  {
        var strQueryString = strHref.substr(strHref.indexOf("?")).toLowerCase();
        var aQueryString = strQueryString.split("?");
		   for ( var iParam = 0; iParam < aQueryString.length; iParam++ )
		  {
			
          if (aQueryString[iParam].indexOf(strParamName.toLowerCase() + "=") > -1)
		    {
            var aParam = aQueryString[iParam].split("=");
            strReturn = "AdSource888"+aParam[1];
			
			}
          }
		  
	  }
	  else {strReturn = "NotFromAds";} 
	  return unescape(strReturn);
	  } 

function SetClickTracksCookie()
{
	
	        var thisCookie = GetCookie("SOURCECOOKIE");
            var urlparameter = getURLParam();
         if( thisCookie == null)
        {
	     	    //Setup the expiry date to expire in 2010
	    var expiryDate = new Date();
	    var date2010 = "Fri, 31 Dec 2010 23:00:00 EST";
	    var dt = Date.parse(date2010);
	    expiryDate.setTime(dt);
	    SetCookie("SOURCECOOKIE", urlparameter, expiryDate, "/", window.location.hostname);
	    }
      
}

SetClickTracksCookie();