Jquery清空文本框

<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>