na no funciona ya probe con esto :
Cita: <div id="cuadros" style="padding-left:15px;padding-top:15px;z-index: 1;">
<div style="float:right;padding-right:15px">
<script language="javascript" type="text/javascript">iwsrcplus="http://codenew.impresionesweb.com/r/banner_iw.php?idrotador=77575&tamano=300x250&lgid= "+((new Date()).getTime() % 2147483648) + Math.random(); document.write("<scr"+"ipt language=javascript type=text/javascript src="+iwsrcplus+"></scr"+"ipt>");</script>
<noscript>
<param name="wmode" value="transparent" />
<iframe src="http://alt.impresionesweb.com/noscript.php?tam=300x250&idp=77575&ref=77575&cod=1 47583" width="300" height="250" frameborder="0" marginheight="0" marginwidth="0" scrolling="no"></iframe></noscript>
</div>