function myURI( name )
    {
      name = name.replace(/[\[]/,"\\\[").replace(/[\]]/,"\\\]");
      var regexS = "[\\?&]"+name+"=([^&#]*)";
      var regex = new RegExp( regexS );
      var results = regex.exec( window.location.href );
      if( results == null )
        return "";
      else
        return results[1];
    } 

if (myURI('pubid')!= '') 
    {
      document.write('<img src="http://clk.tradedoubler.com/click?p(208560)a(' + myURI('pubid') + ')g(19808990)" alt="" height="1" width="1" border="0" />');
    }