function cabecera (titulo){

document.write('<table width="738" border="0" cellspacing="0" cellpadding="0">');
document.write('<tr>');
document.write('<td valign="top" height="84" width="1" rowspan="4"><img src="/img/nada.gif" width="1" height="84"></td>');
document.write('<td background="/img/bgyel.gif" valign="middle" height="83" width="123" rowspan="4"><a href="/index.htm"><img src="/img/logoz.gif" width="123" height="83" border="0"></td>');
document.write('<td  background="/img/bgyel.gif" valign="top" rowspan="4"><img src="/img/nada.gif"  width="15" height="84"></td>');
document.write(' <td valign=top height="84" width="11" rowspan="4"><img src="/img/esq6.gif" width="11" height="84"></td>');
document.write(' <td valign="top" height="8" bgcolor="#DED6BD" colspan="2"><img src="/img/esq4.gif" height="8" width="590"></td>');
document.write('<td valign="top" height="84" width="11" rowspan="4"><img src="/img/esq3.gif" width="11" height="84"></td>');
document.write('</td>');
document.write('</tr>');
document.write('<tr>');
document.write('<td bgcolor="#DED6BD" class="sin" width="83%">');
document.write(titulo);
document.write('</td><td bgcolor="#DED6BD" valign="bottom" height="14" align="right">');
document.write('<a href="/index.htm"><img src="/img/portada.gif" height="14" width=64 border="0">');
document.write('</td></tr>');
document.write('<tr>');
 document.write('<td valign="bottom" height="7" bgcolor="#DED6BD" colspan="2"><img src="/img/esq5.gif" height="7" width="590"></td>');
document.write('</tr>');
document.write('</table>');

}