function OpenModalWindow(url, width, height)
{
	// Características de la ventana
	var features = "dialogWidth:" + 
					width + 
					"px; dialogHeight:" + 
					height + 
					"px; status: No; scrollbars=yes;";
	
	// abrimos la ventana modal
	var featuresWindowOpen = "status=0,toolbar=0,menubar=0,resizable=0,scrollbars=1,height=" + height + ",width=" + width;
	
	/*if (document.all)
		window.open(url,"", featuresWindowOpen);
	else
		returnValue = xShowModalDialog(url, "", features);*/
}