<!--
var winl = (screen.width - 770) / 2;
var wint = (screen.height - 415) / 2;
function abrirventana(url,ancho,alto)
	{
	nuevaventana=window.open(url,"_blank","toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=yes,width=" + ancho + ",height=" + alto + ",top="+wint+",left="+winl);
	nuevaventana.focus();
	}
//-->