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 readAffCookie() {
var aname = readCookie('aff');
var aid = readCookie('affid');
if(aname.length > 1 && aid.length > 1){
return '?aff='+aname+'&affid='+aid;
}
return '';
}