js點(diǎn)擊回車提交

    <script language=javascript>
    function document.onkeydown(){
    if(window.event.keycode==13 && window.event){
    document.forms.item('表單名稱').submit();
    }
    }
    </script>
    <form id=表單名稱 action=aa.asp>
    <textarea> </text_area><input name=submit type=submit value=提交 />
    </form>