<html:select property="department"> 
<logic:iterate name="departList" id="depart"> 
<option value="<bean:write name='depart' property='id'/>">
<bean:write name='depart' property='departname' /> 
</option> 
</logic:iterate> 
</html:select>
<script >
   docuemnt.getElementById("department").value="<bean:write name='depart' property='id'/>";
</script>