//preloading images of the submenu for the cuadra

		comollegarover= new Image;
		comollegarover.src = "/img/comollegarover.gif";

		instalacionesover= new Image;
		instalacionesover.src = "/img/instalacionesover.gif";

		contactarover= new Image;
		contactarover.src = "/img/contactarover.gif";