function pvc() {
		var ref;
		if (parent.frames.length > 0) ref = parent.document.referrer; else ref = document.referrer;
        var img_src = "https://track.affiliate-b.com/start_1.php?" + "ref="+ref+"&adv=l303s";
//        alert(document.referrer);
        document.write('<img src="' + img_src + '" width=1 height=1 boder=0 style="display:none;">');
}
window.onload = new Function(pvc());