js, 차량 반납 에 따라 자체 제출 실현

<script type="text/javascript">
        document.onkeydown = function (e) {
            var theEvent = window.event || e;
            var code = theEvent.keyCode || theEvent.which;
            if (code == 13) {
                $("#login").click(); } } 


$("#login").bind('click',function(){
                if(!$("#loginname_info").hasClass("hide")){
                    $("#loginname_info").removeClass("hide").html("<b style='color:red;'>       !</b>");
                    $("#loginname").focus();
                    return false;
                }    
                
                if(!$("#password_info").hasClass("hide")){
                    $("#password_info").removeClass("hide").html("<b style='color:red;'>        !</b>");
                    $("#password").focus();
                    return false;
                }

                //alert($("#auto").attr("checked"));
                //          
                var auto_check=0;
                if($("#auto").attr("checked")=='checked'){
                    auto_check=1;
                }
                
                var loginname=$("#loginname").val();
                var password=$("#password").val();

                $.ajax({
                    type:"post",
                    url:"{:U('User/doLogin')}",
                    data:'loginname='+loginname+"&password="+password+"&auto_check="+auto_check,
                    dataType:"json",
                    success:function(data){
                        if(data==1){
                            $("#loginname_info").addClass("hide").html("");
                            window.location="{:U('Index/index')}";
                        }else if(data==0){
                            alert("         !");
                            return false;
                        }    
                    }
                })
</script