var referrer = document.URL;
var prereferrer = null;

if(document["referrer"] != null)
{
	prereferrer = document.referrer;
}

if(frm == 1)
{
/*
	if(document["parent"] != null
	&& parent["document"] != null
	&& parent.document["referrer"] != null
	&& typeof(parent.document) == "object")
	{
		prereferrer = window.parent.document.referrer;
	}
*/

	if(window.parent != null
	&& window.parent.document != null
	&& typeof(window.parent.document) == "object"
	&& window.parent.document.referrer != null)
	{
		prereferrer = window.parent.document.referrer;
	}

	if((prereferrer == null
	|| prereferrer == "unknown origin"
	|| prereferrer == "unknown"
	|| prereferrer == "undefined")
	&& document["referrer"] != null)
	{
		prereferrer = '*' + document.referrer;
	}
}

/*
if(prereferrer == null && typeof(cpr) != 'undefined')
{
	prereferrer = cpr;
}
*/

if(typeof(cpr) != 'undefined')
{
	prereferrer = cpr;
}

document.write("<IMG SRC=\"http://www.clicktrade.co.kr/cgi/log/c2-test.php");
document.write("?Fa=" + fa + "&Fc=" + fc + "&Fpr=" + escape(prereferrer) + "&Fr=" + escape(referrer));
document.write("\" BORDER='0'>");