window.addEvent('domready', function() {
	
	$$('a.ref').each(function(event){
		event.addEvent('mouseover', function(el){
			var name=this.get('title');
			
			$(name+'_img').set('class','on');
			$(name+'_detail').set('styles',{'display':'block'});
			
		});
		
		event.addEvent('mouseout', function(el){
			$$('a.ref img').set('class','off');
			$$('a.ref span.detail').set('styles',{'display':'none'});
		});
	});
	
});