// JavaScript Document

window.addEvent('domready', function(){
									 
	var navItems = $$('.nav_item');
	
	navItems.each(function(navItem){
		navItem.addEvent('mouseenter', function(){
			navItems.removeClass('nav_item_over');
			navItem.addClass('nav_item_over');
		});
		navItem.addEvent('mouseleave', function(){
			navItems.removeClass('nav_item_over');
		});
	});
	
});