$(function(){  Menu(".nav_list");
});
function Menu(ul_class_name){  Second(".nav_list");
  var li_name = ul_class_name+" "+"li";
  $("div.second").css("opacity","0.1");
  $(li_name).hover(
    function(){
	  var a_height =  $(this).children("div.second a:first").css("height");
	  var a_count = $(this).children("div.second").children("a").length;
	  var slide_hieght =  (parseInt(a_height)+11)*a_count;
      $(this).children("div.second").stop().animate({height:slide_hieght+"px",opacity:"1"},600);		  $(this).children("a:not(.current)").stop().animate({backgroundColor:"#f00",color:"#fff"},800);
	},function(){
	  $(this).children("div.second").stop().animate({height:"0px",opacity:"0.1"},600);
	  $(this).children("a:not(.current)").stop().animate({backgroundColor:"#996666",color:"#ccc"},800);
	});
}
function Second(ul_class_name){
  var second_menu = ul_class_name+" "+"li"+" "+"div.second"+" "+">"+" "+"a";
  $(second_menu).hover(
   function(){
      $(this).stop().animate({backgroundColor:"#000",opacity:"1"},6000);	},function(){
	  $(this).stop().animate({backgroundColor:"#666",opacity:"1"},6000);
	});
}