window.addEvent('domready', function() {
	$$('.nav li.navtop').each(function(el){
		el.addEvent('mouseover', function(){
			this.addClass('navover');
		});
		el.addEvent('mouseout', function(){
			this.removeClass('navover');
		});				
	});
});

window.addEvent('domready', function() {
	$$('.rollover').each(function(el){
		el.addEvent('mouseover', function(){
			this.src = this.src.replace('menu-','menu-over-') ;
		});
		el.addEvent('mouseout', function(){
			this.src = this.src.replace('over-','') ;
		});				
	});
});