if (typeof affi_id == "undefined")  { var affi_id = '0' }
if (typeof ad_format == "undefined")  { var ad_format = '0' }
if (typeof ad_skin == "undefined")   { var ad_skin = '0'  }
var ref = escape(document.URL) 
src = '' 
if (affi_id == '0') {document.write('Invalid Affiliate id!. No Ad block') } else {
document.write('<iframe  ID="myIFrame" frameborder="0" width="' + ad_width + '" height="' + ad_height +'" marginheight="0"  marginwidth="0"  scrolling="no" src="http://classifieds.guwahati4u.com/sahyogi.asp?affi_id='+affi_id+'&ad_fmt='+ad_fmt+'&ad_skin='+ad_skin+'"></iframe>');
}