/**
 * @author Riccardo Canalicchio
 */

$$('#menu li').each(function(li){
	var a = li.select('a').first();
	var img = li.select('img').first();
	a.observe('mouseover',function(){
		$(a.rel).setStyle('z-index:5');
		$(a.rel).morph('opacity:1;',{
			duration:0.3
		});
		img.morph('opacity:1;',{
			duration:0.3
		});
		
		$$("ul.submenu").each(function(sm){
			if(sm.id!=a.rel){
				sm.setStyle('z-index:1');		
				sm.morph('opacity:0;',{
					duration:0.3
				});
			}
		});
		$$('#menu li img').each(function(i){
			if(i!=img)
				i.morph('opacity:0;',{duration:0.3});
		});
	})
});