window.addEvent('domready', function(){
									 
	var list = $$('.osc_results');	
	
	list.each(function(element) {
					   
		element.addEvents({
		
			mouseenter: function(){
				element.addClass('bloc-hover');
	
			},
			mouseleave: function(){
				element.removeClass('bloc-hover');
			}
		  
		});
	
	});
});