Jquery清一纸空文本框

<script type="text/javascript">

  function submitClear(){
        $("#id_vc2Validessage").text("");
    
        
        return true;
    }

</script>

<s:form theme="simple" namespace="/offerCSRateTypeSet" id="form1" name="form1" onsubmit="return submitClear()"  action="offerCSRateTypeSet!submit.do">

   <s:label name="vc2Validessage" theme="simple" id="id_vc2Validessage" ></s:label>

     <s:submit key="submit" ></s:submit>

<s:form>