jQuery(function() {
	if (document.all)// antes cargarse la pagina, se muestra el 
		window.onbeforeunload = function() { showModalProgress() };
	else
		window.addEventListener('beforeunload', showModalProgress, true);
});

function showModalProgress() {

	if (jQuery('#modalPopup', top.document).is(':hidden')) {
		window.setTimeout(showModal, 1000,[]);
	}
}

function showModal() {
	var w = jQuery('#contenedor', top.document).width();
	var h = jQuery('#contenedor', top.document).height();
	jQuery('#fondo', top.document).css("width", w + "px");
	jQuery('#fondo', top.document).css("height", h + "px");
	
	jQuery('#modalPopup').css("width", w + "px");
	jQuery('#modalPopup').css("height", h + "px");

	jQuery('#fondo', top.document).show();
	jQuery('#modalPopup', top.document).show();
}