$(window).addEvent('domready', function() {
	
	$$('.mod_navigation ul', '.mod_navigation li', '.mod_navigation a').addEvent('mouseenter', function() {
		this.addClass('hover');
	});
	
	$$('.mod_navigation ul', '.mod_navigation li', '.mod_navigation a').addEvent('mouseleave', function() {
		this.removeClass('hover');
	});

});