window.addEvent('domready', function(){
	$$('.nav-link').addEvent('mouseover', function(){
		$('sub-nav').setStyles({'display':'none'});
	});
	$$('.sub-nav').addEvent('mouseover', function(){
		$('sub-nav').setStyles({'display':'block', 'z-index':'500', 'position':'absolute', 'width':'800px'});
	});
	$('sub-nav').addEvent('mouseleave', function(){
		$('sub-nav').setStyles({'display':'none'});
	});
	
});