[javascript] text필드내에서 엔터치면 동작

<tr><td height="20">
결과내 재검색 : <input type="text" name="secondSearchStr" id="secondSearchStr" size="10" onkeypress="javascript : if (event.keyCode == 13) return secondSearch(); return;">
<input type="button" value="검색" onclick="secondSearch(); return;">
</td></tr>