Basit açılır menü
$(".ust_menu_ac, .alt_menu").css("display","none");
$(".ust_menu_ac, .alt_menu").css("opacity","0");
$(".dropdown-toggle").click(function(e){
$(".menu_but_a").removeClass("menu_but_a");
$(".dropdown-toggle").css("color","#000");
$(this).css("color","#fff");
$(this).addClass("menu_but_a");
$(".ust_menu_ac, .alt_menu").css("display","none");
$(".ust_menu_ac, .alt_menu").css("opacity","0");
var this_id = $(this).attr("id");
$(".ust_menu_ac").css("display","block");
$("."+this_id).css("display","block");
$("."+this_id).animate({
opacity :1
},500);
$(".ust_menu_ac").animate({
top : 30,
opacity :1
},500);
return false;
});
$("html").on("click",function(e){
$(".ust_menu_ac").delay(100).animate({
top : -2000,
opacity :0
},500);
$(".alt_menu").delay(100).animate({
opacity :0
},500);
});