var check=1;
document.write("<ifr" + "ame   src='http://ads.yuppads.com/CampaignCPM/CpmServe.aspx?ad_PubsId=" + ad_PubsId + "&W="+ad_width+"&check="+check+"' allowTransparency='true'  width='"+ ad_width +"' height='"+ ad_height +"' frameborder=0 scrolling=no ></ifr" + "ame>");