// JavaScript Document
function createCookie(name,value,hours) {
	if (hours) {
		var date = new Date();
		date.setTime(date.getTime()+(hours*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 "";
}

function addListeners()
{
	window.addEventListener("load", 
	function(e) 
	{
		var containers = document.getElementsByName("adContainer");
		if (containers)
		{
			for(i=0;i<containers.length;i++)
			{
				if (containers[i].addEventListener)
				{
					containers[i].addEventListener("click",clickCookie,true);
				}
			}
		}
	},
	false);
}

function clickCookie()
{
	//alert("Clicked");
	//alert(document.cookie);
	//alert(this);
	//var container = document.getElementById("adContainer");
	var container = this;
	adString = container.innerHTML;

	advString = readCookie("w4lfc");

	if (adString.match(/Yahoo/) && (!advString.match(/ya/)))
	{
		advString += "ya,";
	}
	if (adString.match(/chitika/) && (!advString.match(/ch/)))
	{
		advString += "ch,";
	}
	if (adString.match(/adbrite/) && (!advString.match(/ad/)))
	{
		advString += "ad,";
	}
	if (adString.match(/clicksor/) && (!advString.match(/cl/)))
	{
		advString += "cl,";
	}
	createCookie("w4lfc",advString,24);
}