function openPage (the_url) {
var popwindow=window.open("", '', 'menubar=yes,scrollbars=yes,resizable=yes,width=750,height=500');
popwindow.document.writeln("");
popwindow.document.writeln("");
popwindow.document.writeln("Anuncios en tiempo real");
popwindow.document.writeln("");
popwindow.document.writeln("");
popwindow.document.writeln("");
popwindow.focus();
}