function ocultarZooms(mostrar){
	listZoom = $$("a.zoom");
	listZoom.each(function(element, indx){
		if (mostrar != element.getAttribute('mostrar')){
			Effect.Fade(element.getAttribute('mostrar'));			
			Element.hide(element.getAttribute('mostrar'));
		}
	});
	
	listZoom = $$("a.zoom3");
	listZoom.each(function(element, indx){
		if (mostrar != element.getAttribute('mostrar')){
			Effect.Fade(element.getAttribute('mostrar'));
			Element.hide(element.getAttribute('mostrar'));
		}
	});
}

function zoom(evnt){
	obj = Event.element(evnt);
	ocultarZooms(obj.getAttribute('mostrar'));
	Element.show(obj.getAttribute('mostrar'));
	Effect.Appear(obj.getAttribute('mostrar'));
}

function initZooms(){
	listZoom = $$("a.zoom");
	listZoom.each(function(element,indx){
			Event.observe(element,"click",zoom);
	});
	
	listZoom = $$("a.zoom3");
	listZoom.each(function(element,indx){
			Event.observe(element,"click",zoom);
	});
}

Event.observe(window,"load",initZooms);