js监听回车事件

1.<script language="javascript" for="document" event="onkeydown">   
2.        var keyCode = event.keyCode ? event.keyCode : event.which ? event.which : event.charCode;   
3.        if (keyCode == 13) {   
4.             controlForm(1);   
5.        }    
6.    </script>  

 存在这里，方便以后用