function grab_cookie(cookiename)
{
	var allcookies = document.cookie;
	var pos = allcookies.indexOf(cookiename + "=");
	if (pos != -1)
	{
		var start = pos + cookiename.length + 1;
		var end = allcookies.indexOf(";", start);
		if (end == -1) end = allcookies.length;
		var got_cookie = allcookies.substring(start,end);
		return unescape(got_cookie);
	}
}

function callWebTrends(){
 //Data Collection Server Function
 
 var webTrendQuery = "";
 var sCurrent = ""
 var dCurrent = new Date();
 var insert_cookie = "UserInfo";
 var login_cookie = "LoginInfo";
 sCurrent = dCurrent;
 
 //add the web trends default parameters
 webTrendQuery += "dcsuri=" + escape(window.location.pathname);
 webTrendQuery += "&dcsqry=" + escape(window.location.search);
 webTrendQuery += "&dcssip="+ window.location.hostname + "";
 
 if ((window.document.referrer != "") && (window.document.referrer != "-")){
  if (!(navigator.appName == "Microsoft Internet Explorer" && parseInt(navigator.appVersion) < 4)){
   webTrendQuery += "&dcsref=" + escape(window.document.referrer);
  }
 }
 
 webTrendQuery += "&dcsdat=" + escape(sCurrent);

 //Add our own parameters
 //webTrendQuery += "&" + insert_cookie + grab_cookie(insert_cookie);
 webTrendQuery += "&" + grab_cookie(insert_cookie);
 webTrendQuery += "&" + grab_cookie(login_cookie);
 //end of customized parameters
 
 document.write('<img border="0" name="dcsimg" width="1" height="1" src="'+ window.location.protocol +'//wt.weightwatchers.com/dcs.gif?' + webTrendQuery + '">');
 
}