function insertarEventosMenu() {
	var menus=$$("#menu ul li a");
	menus.each( function(el, indice){
		//new Effect.Opacity(el.firstDescendant(), { from: 0, to: 0, duration: 0 });
		el.onmouseover=function() {
			var padre=el.ancestors()[0];
			var id=padre.identify().replace("menu","");
			new Effect.Morph(padre, {
				//style: 'background: transparent url(/turismo/img/coleccion'+id+'.jpg) no-repeat scroll 50% bottom;', // CSS Properties
				style: 'height: 30px;',
				duration: 0.5 // Core Effect properties
			});
			new Effect.Opacity(el.firstDescendant(), { from: 0, to: 0.7, duration: 1 });
		}
		el.onmouseout=function() {
			var padre=el.ancestors()[0];
			var id=padre.identify().replace("menu","");
			new Effect.Morph(padre, {
				//style: 'background: transparent url(/turismo/img/coleccion'+id+'.jpg) no-repeat scroll 50% bottom;', // CSS Properties
				style: 'height: 60px;',
				duration: 0.5 // Core Effect properties
			});
			new Effect.Opacity(el.firstDescendant(), { from: 0.7, to: 0, duration: 1 });
		}
	});

}

Event.observe(window, 'load', function() {
	insertarEventosMenu();
});