function SetCookie(cookieName,cookieValue,nDays) {
 var today = new Date();
 var expire = new Date();
 if (nDays==null || nDays==0) nDays=1;
 expire.setTime(today.getTime() + 3600000*24*nDays);
 document.cookie = cookieName+"="+escape(cookieValue)
                 + ";expires="+expire.toGMTString()+"; path=/";
}

var referers = [["CNET", "download.com"]];

for (var i=0; i<referers.length; i++)
{
	if(document.referrer.match(referers[i][1]))
	{
		SetCookie('src',referers[i][0],90);
	}
}