function construir_caja(){
var text1="Tus vuelos más baratos con Muchoviaje";
var text2="Hoteles en Mallorca desde 11 €";
var text3="Crediagil: 6.000 € en 24 horas para lo que necesite";
var text4="Compraventa: Compra y vende en tu provincia";
var text5="";

var link1="http://ad.zanox.com/ppc/?3239394C1006731516T";
var link2="http://ad.zanox.com/ppc/?3239618C1279094396T";
var link3="http://ad.zanox.com/ppc/?3078980C342798803T ";
var link4="http://ad.zanox.com/ppc/?3134939C2049079236&ULP=http://www.compraventa.com/redir?s=ya-za-3134939C2049079236";
var link5="";


document.writeln('<link href="http://tools.zanox.es/zeta/clases/clases.css" rel="stylesheet" type="text/css">');
document.writeln('<table width="120"  border="0" cellspacing="0" cellpadding="1">');
document.writeln('  <tr>');
document.writeln('    <td bgcolor="#FF0000"><table width="100%"  border="0" cellspacing="0" bgcolor="#FFFFFF">');
document.writeln('      <tr>');
document.writeln('        <td width="10" height="19" background="http://tools.zanox.es/zeta/img/fondo.jpg">&nbsp;</td>');
document.writeln('        <td background="http://tools.zanox.es/zeta/img/fondo.jpg" class="elperiodico">PROMO-WEBS</td>');
document.writeln('        </tr>');
document.writeln('      <tr>');
document.writeln('        <td width="10" align="center" valign="top"><img src="http://tools.zanox.es/zeta/img/cuadrado.gif" width="12" height="12"></td>');
document.writeln('        <td><a href="' + link1 + '" target="_blank" class="Texto">' + text1 + '</a></td>');
document.writeln('        </tr>');
document.writeln('      <tr>');
document.writeln('        <td width="10" align="center" valign="top"><img src="http://tools.zanox.es/zeta/img/cuadrado.gif" width="12" height="12"></td>');
document.writeln('        <td><a href="' + link2 + '" target="_blank" class="Texto">' + text2 + '</a></td>');
document.writeln('        </tr>');
document.writeln('      <tr>');
document.writeln('        <td width="10" align="center" valign="top"><img src="http://tools.zanox.es/zeta/img/cuadrado.gif" width="12" height="12"></td>');
document.writeln('        <td><a href="' + link3 + '" target="_blank" class="Texto">' + text3 + '</a></td>');
document.writeln('        </tr>');
document.writeln('      <tr>');
document.writeln('        <td width="10" align="center" valign="top"><img src="http://tools.zanox.es/zeta/img/cuadrado.gif" width="12" height="12"></td>');
document.writeln('        <td><a href="' + link4 + '" target="_blank" class="Texto">' + text4 + '</a></td>');
document.writeln('        </tr>');
document.writeln('    </table></td>');
document.writeln('  </tr>');
document.writeln('</table>');
}