window.addEvent('domready', function() {

	//$$(".news_bloc").setStyle("z-index","0");	
	$$(".nav_menu ul.lvl1 > li").addEvent('mouseenter', function(){																 
		$$(".nav_menu ul.lvl1 li ul").setStyle("display","none");	
		//console.log($(this).getChildren("ul"));
		$(this).getChildren("ul").setStyle("display","block");
		//$$(".news_bloc").setStyle("z-index","-1");	
	});	
	
		$$(".nav_menu ul.lvl1 > li").addEvent('mouseleave', function(){
		$$(".nav_menu ul.lvl1 li ul").setStyle("display","none");	
		//$$(".news_bloc").setStyle("z-index","0");	
	});	
		
		
		

});