$(document).ready(function(){
    //椤堕儴鎼滅储鎸夐挳
    $("#top_search_btn").on("click",function(){
        var form = $(".top_search_content").eq(0);
        if(form.hasclass('on')){
            form.animate({
                height:"0px"
            }, 400);
            form.removeclass('on');
            $(this).attr("src","images/icon_search.png");
            $(".topsearch input:nth-child(1)").val("");
        }else{
            $(".topsearch input:nth-child(1)").focus();
            form.animate({
                height:"60px"
            }, 400);
            form.addclass('on');
            $(this).attr("src","images/close.png");
        }
    });

    

    
});