// JavaScript Document
function getCookie(cookie_Name)
{
	if (document.cookie.length>0)
	{
		cookie_Start=document.cookie.indexOf(cookie_Name + "=");
		if (cookie_Start!=-1)
		{ 
			cookie_Start=cookie_Start + cookie_Name.length+1; 
			cookie_End=document.cookie.indexOf(";",cookie_Start);
			if (cookie_End==-1) cookie_End=document.cookie.length;
			return unescape(document.cookie.substring(cookie_Start,cookie_End));
		} 
	}
	return "";
}

function setCookie(cookie_Name,value,expireDays)
{
	var exDate=new Date();
	exDate.setDate(exDate.getDate()+expireDays);
	document.cookie=cookie_Name+ "=" +escape(value)+((expireDays==null) ? "" : ";expires="+exDate.toGMTString())+";path=/";
}

function eraseCookie(cookie_Name) {
	setCookie(cookie_Name,"",-1);
}

function checkCookie()
{
	strReferrer=getCookie("strReferrer");
	if ((strReferrer==null || strReferrer=="") && document.referrer.indexOf(document.domain) == -1)
	{
		strReferrer = document.referrer;
		setCookie("strReferrer",strReferrer,1);
	}
	else if (strReferrer != document.referrer && document.referrer.indexOf(document.domain) == -1)
	{
		strReferrer = document.referrer;
		setCookie("strReferrer",strReferrer,1);
	}
}

window.onload = checkCookie;