window.addEvent('domready', function(){
	$('nav').getElements('.hasSubLevels').addEvents({
		'mouseenter': function(){
			this.getFirst('a').setProperty('class','hovering');
			this.setProperty('class','hasSubLevels sfhover');
		},
		'mouseleave': function(){
			this.getFirst('a').setProperty('class','hovering-no');
			this.setProperty('class','hasSubLevels');
		}
	});	
});