<select name="select" onchange="RelativeMove(this)">
  <option value="1">11</option>
  <option value="2">22</option>
</select>
<div id="newsel"></div>
<script>
function RelativeMove(oSel)
{
    if (oSel.options[oSel.options.selectedIndex].text=="11")
{
document.getElementById("newsel").innerHTML='<select name="select">'+
  '<option value="1">天气</option>'+
  '<option value="2">笑话</option>'+
'</select>';
}
}
</script>

解决方案 »

  1.   

    把第二个select框隐藏起来,然后在选择第一个select框的值是11时,显示即可!
      

  2.   

    id.innerHTML="<select><option>1</option></select>"
      

  3.   

    在问一下 ,能同时取到value值吗?
      

  4.   

    <table>
    <tr>
    <td height="22" align="right"><font color="#FF0000">*</font>所在省份:</td>
    <td height="22"><SELECT name="sf" size="1" class="input" id="sf" tabIndex="14" onchange="dispselect2()">
    <OPTION selected value="0">请选择所在省份</OPTION>
    </SELECT></td>
    </tr>
    <tr>
    <td height="22" align="right"><font color="#FF0000">*</font>所在城市:</td>
    <td height="22"><SELECT name="cs" size="1" class="input" id="cs" tabIndex="14">
    <OPTION selected value="0">请选择所在城市</OPTION>
    </SELECT></td>
    </tr>
    </table>
    <script language="javascript">
    var nodes1=new ActiveXObject("msxml2.domdocument");
    var nodes2=new ActiveXObject("msxml2.domdocument");
    var xmlstr1='<root success="true"><node id="1" Name="北京市"/><node id="2" Name="上海市"/><node id="3" Name="河北省"/><node id="7" Name="山西省"/><node id="8" Name="内蒙古自治区"/><node id="9" Name="吉林省"/><node id="10" Name="黑龙江省"/><node id="11" Name="浙江省"/><node id="12" Name="安徽省"/><node id="13" Name="江西省"/><node id="14" Name="山东省"/><node id="15" Name="湖北省"/><node id="16" Name="湖南省"/><node id="17" Name="贵州省"/><node id="18" Name="云南省"/><node id="19" Name="西藏自治区"/><node id="20" Name="甘肃省"/><node id="21" Name="青海省"/><node id="22" Name="宁夏自治区"/><node id="23" Name="新疆自治区"/><node id="24" Name="四川省"/><node id="25" Name="香港特别行政区"/><node id="26" Name="台湾省"/><node id="27" Name="澳门特别行政区"/><node id="28" Name="海南省"/><node id="29" Name="重庆市"/><node id="31" Name="陕西省"/><node id="32" Name="天津市"/><node id="33" Name="辽宁省"/><node id="34" Name="河南省"/><node id="35" Name="广西省"/><node id="36" Name="广东省"/><node id="37" Name="福建省"/><node id="38" Name="江苏省"/><node id="39" Name="其它"/></root>';
      

  5.   

    var xmlstr2='<root success="true"><node id="1" Name="海淀区" Critically_ID="1"/><node id="3" Name="石景山区" Critically_ID="1"/><node id="4" Name="丰台区" Critically_ID="1"/><node id="5" Name="西城区" Critically_ID="1"/><node id="6" Name="宣武区" Critically_ID="1"/><node id="7" Name="东城区" Critically_ID="1"/><node id="8" Name="崇文区" Critically_ID="1"/><node id="9" Name="朝阳区" Critically_ID="1"/><node id="10" Name="昌平" Critically_ID="1"/><node id="11" Name="大兴" Critically_ID="1"/><node id="12" Name="房山" Critically_ID="1"/><node id="13" Name="怀柔" Critically_ID="1"/><node id="14" Name="门头沟" Critically_ID="1"/><node id="15" Name="平谷" Critically_ID="1"/><node id="16" Name="顺义" Critically_ID="1"/><node id="17" Name="通州" Critically_ID="1"/><node id="18" Name="密云" Critically_ID="1"/><node id="19" Name="其它" Critically_ID="1"/><node id="20" Name="黄浦区" Critically_ID="2"/><node id="21" Name="卢湾区" Critically_ID="2"/><node id="22" Name="徐汇区" Critically_ID="2"/><node id="23" Name="长宁区" Critically_ID="2"/><node id="24" Name="静安区" Critically_ID="2"/><node id="25" Name="普陀区" Critically_ID="2"/><node id="26" Name="闸北区" Critically_ID="2"/><node id="27" Name="虹口区" Critically_ID="2"/><node id="28" Name="杨浦区" Critically_ID="2"/><node id="29" Name="闵行区" Critically_ID="2"/><node id="30" Name="浦东新区" Critically_ID="2"/><node id="31" Name="南汇区" Critically_ID="2"/><node id="35" Name="其它" Critically_ID="2"/><node id="36" Name="石家庄市" Critically_ID="3"/><node id="37" Name="张家口" Critically_ID="3"/><node id="38" Name="承德市" Critically_ID="3"/><node id="39" Name="秦皇岛市" Critically_ID="3"/><node id="40" Name="唐山市" Critically_ID="3"/><node id="41" Name="廊坊市" Critically_ID="3"/><node id="42" Name="沧州市" Critically_ID="3"/><node id="43" Name="衡水市" Critically_ID="3"/><node id="44" Name="其它" Critically_ID="3"/><node id="45" Name="太原市" Critically_ID="7"/><node id="46" Name="大同市" Critically_ID="7"/><node id="47" Name="朔州市" Critically_ID="7"/><node id="48" Name="阳泉市" Critically_ID="7"/><node id="49" Name="晋城市" Critically_ID="7"/><node id="50" Name="忻州市" Critically_ID="7"/><node id="51" Name="晋中市" Critically_ID="7"/><node id="52" Name="临汾市" Critically_ID="7"/><node id="53" Name="运城市" Critically_ID="7"/><node id="54" Name="吕梁地区" Critically_ID="7"/><node id="55" Name="其它" Critically_ID="7"/><node id="56" Name="呼和浩特市" Critically_ID="8"/><node id="57" Name="包头市" Critically_ID="8"/><node id="58" Name="乌海市" Critically_ID="8"/><node id="59" Name="赤峰市" Critically_ID="8"/><node id="60" Name="通辽市" Critically_ID="8"/><node id="61" Name="呼伦贝尔盟" Critically_ID="8"/><node id="62" Name="兴安盟" Critically_ID="8"/><node id="63" Name="锡林郭勒盟" Critically_ID="8"/><node id="64" Name="乌兰察布盟" Critically_ID="8"/><node id="65" Name="伊克昭盟" Critically_ID="8"/><node id="66" Name="巴彦淖尔萌" Critically_ID="8"/><node id="67" Name="阿拉善盟" Critically_ID="8"/><node id="68" Name="其它 " Critically_ID="8"/><node id="69" Name="长春市" Critically_ID="9"/><node id="70" Name="白城市" Critically_ID="9"/><node id="71" Name="松原市" Critically_ID="9"/><node id="72" Name="吉林市" Critically_ID="9"/><node id="73" Name="四平市" Critically_ID="9"/><node id="74" Name="辽源市" Critically_ID="9"/><node id="75" Name="通化市" Critically_ID="9"/><node id="76" Name="白山市" Critically_ID="9"/><node id="77" Name="延边朝鲜族自治州" Critically_ID="9"/><node id="78" Name="其它" Critically_ID="9"/><node id="79" Name="哈尔滨市" Critically_ID="10"/><node id="80" Name="齐齐哈尔市" Critically_ID="10"/><node id="81" Name="黑河市" Critically_ID="10"/><node id="82" Name="大庆市" Critically_ID="10"/><node id="83" Name="伊春市" Critically_ID="10"/><node id="84" Name="鹤岗市" Critically_ID="10"/><node id="85" Name="佳木斯市" Critically_ID="10"/><node id="86" Name="双鸭山市" Critically_ID="10"/><node id="87" Name="七台河市" Critically_ID="10"/><node id="88" Name="鸡西市" Critically_ID="10"/><node id="89" Name="牡丹江市" Critically_ID="10"/><node id="90" Name="绥化市" Critically_ID="10"/><node id="91" Name="其它" Critically_ID="10"/><node id="92" Name="杭州市" Critically_ID="11"/><node id="93" Name="湖州市" Critically_ID="11"/><node id="94" Name="嘉兴市" Critically_ID="11"/><node id="95" Name="舟山市" Critically_ID="11"/><node id="96" Name="宁波市" Critically_ID="11"/><node id="97" Name="绍兴市" Critically_ID="11"/><node id="98" Name="衢州市" Critically_ID="11"/><node id="99" Name="金华市" Critically_ID="11"/><node id="100" Name="台州市" Critically_ID="11"/><node id="101" Name="温州市" Critically_ID="11"/><node id="102" Name="丽水市" Critically_ID="11"/><node id="103" Name="其它" Critically_ID="11"/><node id="104" Name="合肥市" Critically_ID="12"/><node id="105" Name="淮北市" Critically_ID="12"/><node id="106" Name="亳州市" Critically_ID="12"/><node id="107" Name="淮南市" Critically_ID="12"/><node id="108" Name="滁州市" Critically_ID="12"/><node id="109" Name="马鞍山市" Critically_ID="12"/><node id="110" Name="芜湖市" Critically_ID="12"/><node id="111" Name="铜陵市" Critically_ID="12"/><node id="112" Name="安庆市" Critically_ID="12"/><node id="113" Name="黄山市" Critically_ID="12"/><node id="114" Name="巢湖市" Critically_ID="12"/><node id="115" Name="池州市" Critically_ID="12"/><node id="116" Name="宣城市" Critically_ID="12"/><node id="117" Name="其它" Critically_ID="12"/><node id="118" Name="南昌市" Critically_ID="13"/><node id="119" Name="九江市" Critically_ID="13"/><node id="120" Name="景德镇市" Critically_ID="13"/><node id="121" Name="鹰潭市" Critically_ID="13"/><node id="122" Name="新余市" Critically_ID="13"/><node id="123" Name="萍乡市" Critically_ID="13"/><node id="124" Name="漳州市" Critically_ID="13"/><node id="125" Name="上饶市" Critically_ID="13"/><node id="126" Name="抚州市" Critically_ID="13"/><node id="127" Name="宜春市" Critically_ID="13"/><node id="128" Name="吉安市" Critically_ID="13"/><node id="129" Name="其它" Critically_ID="13"/><node id="130" Name="济南市" Critically_ID="14"/><node id="131" Name="德州市" Critically_ID="14"/><node id="132" Name="东营市" Critically_ID="14"/><node id="133" Name="淄博市" Critically_ID="14"/><node id="134" Name="潍坊市" Critically_ID="14"/><node id="135" Name="烟台市" Critically_ID="14"/><node id="136" Name="威海市" Critically_ID="14"/><node id="137" Name="青岛市" Critically_ID="14"/><node id="138" Name="日照市" Critically_ID="14"/><node id="139" Name="临沂市" Critically_ID="14"/><node id="140" Name="枣庄市" Critically_ID="14"/><node id="141" Name="济宁市" Critically_ID="14"/><node id="142" Name="泰安市" Critically_ID="14"/><node id="143" Name="莱芜市" Critically_ID="14"/><node id="144" Name="滨州市" Critically_ID="14"/><node id="145" Name="菏泽市" Critically_ID="14"/><node id="146" Name="其它" Critically_ID="14"/>
      

  6.   

    <node id="147" Name="武汉市" Critically_ID="15"/><node id="148" Name="十堰市" Critically_ID="15"/><node id="149" Name="囊樊市" Critically_ID="15"/><node id="150" Name="荆门市" Critically_ID="15"/><node id="151" Name="孝感市" Critically_ID="15"/><node id="152" Name="黄冈市" Critically_ID="15"/><node id="153" Name="鄂州市" Critically_ID="15"/><node id="154" Name="黄石市" Critically_ID="15"/><node id="155" Name="咸宁市" Critically_ID="15"/><node id="156" Name="荆州市" Critically_ID="15"/><node id="157" Name="宜昌市" Critically_ID="15"/><node id="158" Name="随州市" Critically_ID="15"/><node id="159" Name="其它" Critically_ID="15"/><node id="160" Name="长沙市" Critically_ID="16"/><node id="161" Name="张家界市" Critically_ID="16"/><node id="162" Name="常德市" Critically_ID="16"/><node id="163" Name="益阳市" Critically_ID="16"/><node id="164" Name="岳阳市" Critically_ID="16"/><node id="165" Name="株洲市" Critically_ID="16"/><node id="166" Name="湘潭市" Critically_ID="16"/><node id="167" Name="衡阳市" Critically_ID="16"/><node id="168" Name="郴州市" Critically_ID="16"/><node id="169" Name="永州市" Critically_ID="16"/><node id="170" Name="邵阳市" Critically_ID="16"/><node id="171" Name="怀化市" Critically_ID="16"/><node id="172" Name="娄底市" Critically_ID="16"/><node id="173" Name="湘西土家族苗族自治州" Critically_ID="16"/><node id="174" Name="其它" Critically_ID="16"/><node id="175" Name="贵阳市" Critically_ID="17"/><node id="176" Name="六盘水市" Critically_ID="17"/><node id="177" Name="遵义市" Critically_ID="17"/><node id="178" Name="安顺市" Critically_ID="17"/><node id="179" Name="毕节地区" Critically_ID="17"/><node id="180" Name="铜仁地区" Critically_ID="17"/><node id="181" Name="黔东南苗族侗族自治县" Critically_ID="17"/><node id="182" Name="黔南布依族苗族自治州" Critically_ID="17"/><node id="183" Name="黔西南布依族苗族自治州" Critically_ID="17"/><node id="184" Name="其它" Critically_ID="17"/><node id="185" Name="昆明市" Critically_ID="18"/><node id="186" Name="曲靖市" Critically_ID="18"/><node id="187" Name="玉溪市" Critically_ID="18"/><node id="188" Name="保山市" Critically_ID="18"/><node id="189" Name="丽江地区" Critically_ID="18"/><node id="190" Name="昭通地区" Critically_ID="18"/><node id="191" Name="思茅地区" Critically_ID="18"/><node id="192" Name="临沧地区" Critically_ID="18"/><node id="193" Name="德宏傣族景颇族自治州" Critically_ID="18"/><node id="194" Name="怒江傈僳族自治州" Critically_ID="18"/><node id="195" Name="迪庆藏族自治州" Critically_ID="18"/><node id="196" Name="大理白族自治州" Critically_ID="18"/><node id="197" Name="楚雄彝族自治州" Critically_ID="18"/><node id="198" Name="红河哈尼族彝族自治州" Critically_ID="18"/><node id="199" Name="其它" Critically_ID="18"/><node id="200" Name="拉萨市" Critically_ID="19"/><node id="201" Name="那曲地区" Critically_ID="19"/><node id="202" Name="昌都地区" Critically_ID="19"/><node id="203" Name="林芝地区" Critically_ID="19"/><node id="204" Name="山南地区" Critically_ID="19"/><node id="205" Name="日喀则地区" Critically_ID="19"/><node id="206" Name="阿里地区" Critically_ID="19"/><node id="207" Name="其它" Critically_ID="19"/><node id="208" Name="兰州市" Critically_ID="20"/><node id="209" Name="嘉峪关市" Critically_ID="20"/><node id="210" Name="金昌市" Critically_ID="20"/><node id="211" Name="天水市" Critically_ID="20"/><node id="212" Name="酒泉地区" Critically_ID="20"/><node id="213" Name="张掖地区" Critically_ID="20"/><node id="214" Name="武威地区" Critically_ID="20"/><node id="215" Name="庆阳地区" Critically_ID="20"/><node id="216" Name="平凉地区" Critically_ID="20"/><node id="217" Name="定西地区" Critically_ID="20"/><node id="218" Name="陇南地区" Critically_ID="20"/><node id="219" Name="临夏回族自治州" Critically_ID="20"/><node id="220" Name="甘南藏族自治州" Critically_ID="20"/><node id="221" Name="其它" Critically_ID="20"/><node id="222" Name="西宁市" Critically_ID="21"/><node id="223" Name="海东地区" Critically_ID="21"/><node id="224" Name="海北藏族自治州" Critically_ID="21"/><node id="225" Name="海南藏族自治州" Critically_ID="21"/><node id="226" Name="黄南藏族自治州" Critically_ID="21"/><node id="227" Name="果洛藏族自治州" Critically_ID="21"/><node id="228" Name="玉树藏族自治州" Critically_ID="21"/><node id="229" Name="海西蒙古族藏族自治州" Critically_ID="21"/><node id="230" Name="其它" Critically_ID="21"/><node id="231" Name="银川市" Critically_ID="22"/><node id="232" Name="石嘴山市" Critically_ID="22"/><node id="233" Name="吴忠市" Critically_ID="22"/><node id="234" Name="固原地区" Critically_ID="22"/><node id="235" Name="其它" Critically_ID="22"/><node id="236" Name="乌鲁木齐市" Critically_ID="23"/><node id="237" Name="克拉玛依市" Critically_ID="23"/><node id="238" Name="石河子市" Critically_ID="23"/><node id="239" Name="喀什市" Critically_ID="23"/><node id="240" Name="阿克苏市" Critically_ID="23"/><node id="241" Name="和田市" Critically_ID="23"/><node id="242" Name="吐鲁番市" Critically_ID="23"/><node id="243" Name="哈密市" Critically_ID="23"/><node id="244" Name="阿图什市" Critically_ID="23"/><node id="245" Name="博乐市" Critically_ID="23"/><node id="246" Name="昌吉市" Critically_ID="23"/><node id="247" Name="库尔勒市" Critically_ID="23"/><node id="248" Name="奎屯市" Critically_ID="23"/><node id="249" Name="伊宁市" Critically_ID="23"/><node id="250" Name="塔城市" Critically_ID="23"/><node id="251" Name="阿勒泰市" Critically_ID="23"/><node id="252" Name="其它 " Critically_ID="23"/><node id="253" Name="成都市" Critically_ID="24"/><node id="254" Name="彭州市" Critically_ID="24"/><node id="255" Name="广元市" Critically_ID="24"/><node id="256" Name="绵阳市" Critically_ID="24"/><node id="257" Name="德阳市" Critically_ID="24"/><node id="258" Name="南充市" Critically_ID="24"/><node id="259" Name="广安市" Critically_ID="24"/><node id="260" Name="遂宁市" Critically_ID="24"/><node id="261" Name="内江市" Critically_ID="24"/><node id="262" Name="乐山市" Critically_ID="24"/><node id="263" Name="自贡市" Critically_ID="24"/><node id="264" Name="泸州市" Critically_ID="24"/><node id="265" Name="攀枝花市" Critically_ID="24"/><node id="266" Name="巴中市" Critically_ID="24"/><node id="267" Name="达州市" Critically_ID="24"/><node id="268" Name="资阳市" Critically_ID="24"/><node id="269" Name="眉山市" Critically_ID="24"/><node id="270" Name="雅安市" Critically_ID="24"/><node id="271" Name="阿坝藏族羌族自治州" Critically_ID="24"/><node id="272" Name="甘孜藏族自治州" Critically_ID="24"/><node id="273" Name="凉山彝族自治州" Critically_ID="24"/><node id="274" Name="其它 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     

  7.   

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  8.   

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