function popUp() {
		if (document.cookie.indexOf('popup')==0) {
			isie = (navigator.userAgent || "").toUpperCase().indexOf('MSIE');
			if (isie>0 && event.srcElement.tagName=='BODY') return 0;
			window.open ('http://www.adthatworks.com/adson/popup.php', '_blank', 'width=300,height=250,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0');
			document.cookie = 'popup=done; expires=' + new Date(new Date().getTime()+86400000).toGMTString();
		}
	}
	document.onclick = popUp;