<select name="ClassID" style="width:150">
<option value="20091705112171" selected="selected">买车</option>
<option value='20090992348791'>卖车</option>
<option value='20096096558131'>置换</option>
<option value='20091581708270'>租赁</option>

</select>

<input name="KeyWord" type="text" class="textbox"  value="关键字" onfocus="this.select();"/>

<input name="ChannelID" value="1" type="hidden" />
<input type="submit" class="inputButton" name="Submit" value="搜 索" />