var content = "<iframe name=\"cpcadv_ads_frame\" src=\"http://js.cpcadv.com/ads/250x250_1.php?id=40&ref=#REF#\" marginwidth=\"0\" marginheight=\"0\" vspace=\"0\" hspace=\"0\" allowtransparency=\"true\" scrolling=\"no\" width=\"250\" frameborder=\"0\" height=\"250\"></iframe>";
content = content.replace("#REF#",escape(document.location));
document.write(content);