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<SCRIPT LANGUAGE="JavaScript">
<!-- ###中国省市二级联动菜单开始##
function Dsy()
{
this.Items = {};
}
Dsy.prototype.add = function(id,iArray)
{
this.Items[id] = iArray;
}
Dsy.prototype.Exists = function(id)
{
if(typeof(this.Items[id]) == "undefined") return false;
return true;
}
function regionChage(index,value)
{
var select=document.getElementById('s'+index);
var show= document.getElementById('s'+(index+1));
if(select.selectedIndex>0)
{
var selectedText=select.options[select.selectedIndex].text;
if(dsy.Exists(selectedText))
{
show.options.length=1;
ar = dsy.Items[selectedText];
for(i=0;i<ar.length;i++){
show[i+1] = new Option(ar[i],ar[i]);
if(value!=''&&value==ar[i]){
show.options[i+1].selected=true;
}
}
}
if(index==0)
{
document.getElementById('s'+(index+2)).options[0].selected=true;
}
}
}
var dsy = new Dsy();
dsy.add("华北区",["北京市","天津市","河北省","山西省","山东省","吉林省","黑龙江省","内蒙古"]);
dsy.add("华中区",["湖北省","陕西省","安徽省","辽宁省","河南省"]);
dsy.add("华东区",["上海市","福建省","江苏省","浙江省"]);
dsy.add("华南区",["广东省","海南省","湖南省","江西省","新疆维吾尔自治区","香港特别行政区","澳门特别行政区","台湾省","其它"]);
dsy.add("西南区",["四川省","重庆市","广西自治区","贵州省","云南省","西藏自治区","甘肃省","青海省","宁夏回族自治区",]);
dsy.add("北京市",["北京","东城区","西城区","崇文区","宣武区","朝阳区","丰台区","石景山区"," 海淀区（中关村）","门头沟区","房山区","通州区","顺义区","昌平区","大兴区","怀柔区","平谷区","密云县","延庆县"," 其他"]);
dsy.add("天津市",["和平区","河东区","河西区","南开区","红桥区","塘沽区","汉沽区","大港区","西青区","津南区","武清区","蓟县","宁河县","静海县","其他"]);
dsy.add("河北省",["石家庄市","张家口市","承德市","秦皇岛市","唐山市","廊坊市","衡水市","沧州市","邢台市","邯郸市","保定市","其他"]);
dsy.add("山西省",["太原市","朔州市","大同市","长治市","晋城市","忻州市","晋中市","临汾市","吕梁市","运城市","其他"]);
dsy.add("内蒙古",["呼和浩特市","包头市","赤峰市","呼伦贝尔市","鄂尔多斯市","乌兰察布市","巴彦淖尔市","兴安盟","阿拉善盟","锡林郭勒盟","其他"]);
dsy.add("辽宁省",["沈阳市","朝阳市","阜新市","铁岭市","抚顺市","丹东市","本溪市","辽阳市","鞍山市","大连市","营口市","盘锦市","锦州市","葫芦岛市","其他"]);
dsy.add("吉林省",["长春市","白城市","吉林市","四平市","辽源市","通化市","白山市","延边朝鲜族自治州","其他"]);
dsy.add("黑龙江省",["哈尔滨市","七台河市","黑河市","大庆市","齐齐哈尔市","伊春市","佳木斯市","双鸭山市","鸡西市","大兴安岭地区(加格达奇)","牡丹江","鹤岗市","绥化市 ","其他"]);
dsy.add("上海市",["黄浦区","卢湾区","徐汇区","长宁区","静安区","普陀区","闸北区","虹口区","杨浦区","闵行 区","宝山区","嘉定区","浦东新区","金山区","松江区","青浦区","南汇区","奉贤区","崇明县","其他"]);
dsy.add("江苏省",["南京市","徐州市","连云港市","宿迁市","淮安市","盐城市","扬州市","泰州市","南通市","镇江市","常州市","无锡市","苏州市","其他"]);
dsy.add("浙江省",["杭州市","湖州市","嘉兴市","舟山市","宁波市","绍兴市","衢州市","金华市","台州市","温州市","丽水市","其他"]);
dsy.add("安徽省",["合肥市","宿州市","淮北市","亳州市","阜阳市","蚌埠市","淮南市","滁州市","马鞍山市","芜湖市","铜陵市","安庆市","黄山市","六安市","巢湖市","池州市","宣城市","其他"]);
dsy.add("福建省",["福州市","南平市","莆田市","三明市","泉州市","厦门市","漳州市","龙岩市","宁德市","其他"]);
dsy.add("江西省",["南昌市","九江市","景德镇市","鹰潭市","新余市","萍乡市","赣州市","上饶市","抚州市","宜春市","吉安市","其他"]);
dsy.add("山东省",["济南市","聊城市","德州市","东营市","淄博市","潍坊市","烟台市","威海市","青岛市","日照市","临沂市","枣庄市","济宁市","泰安市","莱芜市","滨州市","菏泽市","其他"]);
dsy.add("河南省",["郑州市","三门峡市","洛阳市","焦作市","新乡市","鹤壁市","安阳市","濮阳市","开封市","商丘市","许昌市","漯河市","平顶山市","南阳市","信阳市","周口市","驻马店市","其他"]);
dsy.add("湖北省",["武汉市","十堰市","襄樊市","荆门市","孝感市","黄冈市","鄂州市","黄石市","咸宁市","荆州市","宜昌市","随州市","恩施土家族苗族自治州","仙桃市","天门市","潜江市","神农架林区","其他"]);
dsy.add("湖南省",["长沙市","张家界市","常德市","益阳市","岳阳市","株洲市","湘潭市","衡阳市","郴州市","永州市","邵阳市","怀化市","娄底市","湘西土家族苗族自治州","其他"]);
dsy.add("广东省",["广州市","清远市市","韶关市","河源市","梅州市","潮州市","汕头市","揭阳市","汕尾市"," 惠州市","东莞市","深圳市","珠海市","中山市","江门市","佛山市","肇庆市","云浮市","阳江市","茂名市","湛江市"," 其他"]);
dsy.add("广西自治区",["南宁市","桂林市","柳州市","梧州市","贵港市","玉林市","钦州市","北海市","防城港市","崇左市","百色市","河池市","来宾市","贺州市","其他"]);
dsy.add("海南省",["海口市","三亚市","其他"]);
dsy.add("重庆市",["渝中区","大渡口区","江北区","沙坪坝区","九龙坡区","南岸区","北碚区","万盛区","双桥 区","渝北区","巴南区","万州区","涪陵区","黔江区","长寿区","合川市","永川市","江津市","南川市","綦江县","潼南 县","铜梁县","大足县","璧山县","垫江县","武隆县","丰都县","城口县","开县","巫溪县","巫山县","奉节县","云阳 县","忠县","石柱土家族自治县","彭水苗族土家族自治县","酉阳土家族苗族自治县","秀山土家族苗族自治县","其他"]);
dsy.add("四川省",["成都市","广元市","绵阳市","德阳市","南充市","广安市","遂宁市","内江市","乐山市","自 贡市","泸州市","宜宾市","攀枝花市","巴中市","资阳市","眉山市","雅安","阿坝藏族羌族自治州","甘孜藏族自治州","凉山彝 族自治州县","其他"]);
dsy.add("贵州省",["贵阳市","六盘水市","遵义市","安顺市","毕节地区","铜仁地区","黔东南苗族侗族自治州","黔南布依族苗族自治州","黔西南布依族苗族自治州","其他"]);
dsy.add("云南省",["昆明市","曲靖市","玉溪市","保山市","昭通市","丽江市","普洱市","临沧市","宁德市","德 宏傣族景颇族自治州","怒江傈僳族自治州","楚雄彝族自治州","红河哈尼族彝族自治州","文山壮族苗族自治州","大理白族自治州","迪庆藏族 自治州","西双版纳傣族自治州","其他"]);
dsy.add("西藏自治区",["拉萨市","那曲地区","昌都地区","林芝地区","山南地区","日喀则地区","阿里地区","其他"]);
dsy.add("陕西省",["西安市","延安市","铜川市","渭南市","咸阳市","宝鸡市","汉中市","安康市","商洛市","其他"]);
dsy.add("甘肃省",["兰州市 ","嘉峪关市","金昌市","白银市","天水市","武威市","酒泉市","张掖市","庆阳市","平凉市","定西市","陇南市","临夏回族自治州","甘南藏族自治州","其他"]);
dsy.add("青海省",["西宁市","海东地区","海北藏族自治州","黄南藏族自治州","玉树藏族自治州","海南藏族自治州","果洛藏族自治州","海西蒙古族藏族自治州","其他"]);
dsy.add("宁夏回族自治区",["银川市","石嘴山市","吴忠市","固原市","中卫市","其他"]);
dsy.add("新疆维吾尔自治区",["乌鲁木齐市","克拉玛依市","喀什地区","阿克苏地区","和田地区","吐鲁番地区","哈密地区","塔城 地区","阿勒泰地区","克孜勒苏柯尔克孜自治州","博尔塔拉蒙古自治州","昌吉回族自治州 伊犁哈萨克自治州","巴音郭楞蒙古自治州","河子市","阿拉尔市","五家渠市","图木舒克市","其他"]);
dsy.add("香港特别行政区",["香港","其他"]);
dsy.add("澳门特别行政区",["澳门","其他"])
dsy.add("台湾省",["台湾","其他"])
//-->
</SCRIPT>
<SCRIPT LANGUAGE = JavaScript>
var s=["s1","s2"];
var opt0 = ["--请选择--","--请选择--"];
function setup()
{
for(i=0;i<s.length-1;i++)
document.getElementById(s[i]).onchange=new Function("change("+(i)+","+(i+1)+")");
change("0",0);
}
function show()
{
alert(document.getElementById("s1").value);
}
//##联动菜单结束-->
</SCRIPT>
</head>
<body>
调用：
大区:<select name="region" id="s0" onchange="regionChage(0,'')">
<option value="0">--请选择--</option>
<option value="1">华北区</option>
<option value="24">华东区</option>
<option value="28">华南区</option>
<option value="46">华中区</option>
<option value="483">西南区</option>
</select>
省:<select name="lz_sf" id="s1" onchange="regionChage(1,'')">
<option>--请选择--</option></select>
市:
<select name="lz_sx" id="s2" >
<option>--请选择--</option></select>
<input type="button" value="看看" onclick="show()"/></body>
</html>
js
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