function SendData(url,varNames,varValues) {
	var varList = "";
	for (var i=0; i<varNames.length; i++) 
		varList += varNames[i] + "=" + varValues[i] + "&";

	var x = new Image();
	x.src = url + "?" + varList;
}

var varNames = new Array("url","title");
var varValues = new Array(document.location,document.title);
SendData("update_pagecounts.php",varNames,varValues)