function SetAfTrCode(expdays) {
	var afrefvalue=''; var afidvalue=''; var hncode=0;
	if (document.cookie.length>0) {
		c_name='afref';
		c_start=document.cookie.indexOf(c_name + "=");
		if (c_start!=-1) {
			c_start=c_start + c_name.length+1;
			c_end=document.cookie.indexOf(";",c_start);
			if (c_end==-1) c_end=document.cookie.length;
			afrefvalue=unescape(document.cookie.substring(c_start,c_end));
		}
		c_name='afid';
		c_start=document.cookie.indexOf(c_name + "=");
		if (c_start!=-1) {
			c_start=c_start + c_name.length+1;
			c_end=document.cookie.indexOf(";",c_start);
			if (c_end==-1) c_end=document.cookie.length;
			afidvalue=unescape(document.cookie.substring(c_start,c_end));
		}
	}
	if ((afrefvalue.length==0) && (document.referrer.length > 0)) {
		var exdate=new Date();
		exdate.setDate(exdate.getDate() + expdays);
		document.cookie='afref' + "=" + escape(document.referrer) + ((expdays==null) ? "" : ";expires=" + exdate.toGMTString());
	}
	var queryString = window.location.search.substring(1);
	if (queryString.length > 0) {
		var pairs = queryString.split('&');
		for(var i = 0; i < pairs.length; i++) 	{
			var pairs2 = pairs[i].split('=');
			if (pairs2[0].toLowerCase()=='hn') { hncode=pairs2[1]; }
		}
	}
	if ((afidvalue.length==0) && (hncode > 0)) {
		var exdate=new Date();
		exdate.setDate(exdate.getDate() + expdays);
		document.cookie='afid' + "=" + escape(hncode) + ((expdays==null) ? "" : ";expires=" + exdate.toGMTString());
	}
}


function GetAfTrCode1() {
	var afrefvalue='';
	if (document.cookie.length>0) {
		c_name='afref';
		c_start=document.cookie.indexOf(c_name + "=");
		if (c_start!=-1) {
			c_start=c_start + c_name.length+1;
			c_end=document.cookie.indexOf(";",c_start);
			if (c_end==-1) c_end=document.cookie.length;
			afrefvalue=unescape(document.cookie.substring(c_start,c_end));
		}
	}
	if (afrefvalue.length > 0) {
		return afrefvalue;
	} else if (document.referrer.length > 0) {
		return document.referrer;
	}
	return '';
}

function GetAfTrCode2() {
	var afidvalue=0; var hncode=0;
	if (document.cookie.length>0) {
		c_name='afid';
		c_start=document.cookie.indexOf(c_name + "=");
		if (c_start!=-1) {
			c_start=c_start + c_name.length+1;
			c_end=document.cookie.indexOf(";",c_start);
			if (c_end==-1) c_end=document.cookie.length;
			afidvalue=unescape(document.cookie.substring(c_start,c_end));
		}
	}
	var queryString = window.location.search.substring(1);
	if (queryString.length > 0) {
		var pairs = queryString.split('&');
		for(var i = 0; i < pairs.length; i++) 	{
			var pairs2 = pairs[i].split('=');
			if (pairs2[0].toLowerCase()=='hn') { hncode=pairs2[1]; }
		}
	}
	if (afidvalue.length > 0) {
		return afidvalue;
	} else if (hncode > 0) {
		return hncode;
	}
	return '';
}