$(document).ready(function(){
			//$("#n_available").addClass("active");
			$(".children").parent().hover(function(){            
				$(this).addClass("hover");
				$(this).find("a").css("background","transparent url(/twg3/images/n_background.jpg) no-repeat scroll left bottom");
		        $(this).find(".children").css('visibility', 'visible');    
		    }, function(){    
		        $(this).find("a").css("background","transparent");
				$(this).removeClass("hover");
		        $(this).find(".children").css('visibility', 'hidden');    
		    }); 
		});