$(document).ready(function(){
	
	var $navigation_active = false;
	
	$(".MainNavigation li").hover(
	
		function(){
			
			var $li_width = $(this).width()-4;
			$navigation_active = false;
			
			if($(this).children('a.level0').hasClass('active')){
				$navigation_active = true;
			}
			$(this).children('a.level0').addClass('active');
			$(this).children('ul.level1').css('width', $li_width+'px');
			$(this).children('ul.level1').show().css({'z-index':'200'});
			
		},
		
		function(){
			if(!$navigation_active) $(this).children('a.level0').removeClass('active');
			$(this).children('ul.level1').hide();
		}
			
	);
	
});