function writeJS(){
var dt = new Date(); 
var ms = dt.getTime();
//dt.getMilliseconds(); 
var str='';
str+='<iframe style="height:'+ad_height+'px; width:'+ad_width+'px;border:0px;" src="http://www.olivierseban.com/affiliation/banners_iframe.asp?buster='+ms+'&client_id='+ad_client+'&ads_type='+ad_type+'" name="ads" scrolling="no" frameborder="0"></iframe>';
document.write(str);
}
writeJS();