var tbl_top = "<table><tr><td><a href='default.aspx'>Inicio</a></td><td>|</td><td><a href='contacto.aspx'>Contacto</a></td></tr></table>";
var loading ="<table width='100%'><tr><td style='height:100px;'></td></tr><tr><td align='center'>";
loading += "<img src='img/loading.gif' border='0' /></td></tr></table>";
var paquete = "";
var baner_principal = "";