window.addEvent('domready', function() {
	if( Browser.Engine.trident4 == true ) {
		$$('li#gn-0','li#gn-1','li#gn-2','li#gn-3','li#gn-4','li#gn-5').each( function(node){
			node.addEvent('mouseover', function(){
				this.getElements('ul').each(function(sub){
					sub.addClass('submenu-hover');
				});
			});
			node.addEvent('mouseout', function(){
				this.getElements('ul').each(function(sub){
					sub.removeClass('submenu-hover');
				});
			});
		});
	}
});