<p class="w120">变更后IP：</p>

    <div class="comBobox w200 f_l">

    <html:select name="ITSM_J_EQUIPMENT_CHANGE/CHANGE_IP_INSTANCEID" style="width:100%" attributesText=" eos_isnull='false' eos_displayname='变更后IP'">

    <html:option value="-1">请择...</html:option>

         <html:options labelProperty="IpList[@type='ip']/entity/INSTANCENAME" property="IpList[@type='ip']/entity/INSTANCEID"></html:options>

    </html:select>

 </div>

 var changeIp = $('select[name="ITSM_J_EQUIPMENT_CHANGE/CHANGE_IP_INSTANCEID"]').find("option:selected").text();    //获取文本值

 //alert(changeIp);

 $('input[name="ITSM_J_EQUIPMENT_CHANGE/CHANGE_IP"]').val(changeIp);