var wheregmp = new Array(35);  
function gmpcomefrom(gmploca,gmplocacity) { this.gmploca = gmploca; this.gmplocacity = gmplocacity; }  
wheregmp[0]= new gmpcomefrom("省份名","城市名"); 
wheregmp[1] = new gmpcomefrom("北京","平谷|怀柔|密云|顺义|大兴|延庆|通州|门头沟|石景山|房山区|昌平区|丰台区|朝阳区|海淀区|宣武区|崇文区|西城区|东城区");  
wheregmp[2] = new gmpcomefrom("上海","奉贤区|南汇区|青浦区|松江区|金山区|嘉定区|宝山区|闵行区|杨浦区|浦东新区|闸北区|普陀区|虹口区|长宁区|卢湾区|静安区|黄浦区|徐汇区");  
wheregmp[3] = new gmpcomefrom("天津","蓟县|宝坻区|靖海县|武清区|宁河区|北辰区|津南区|西青区|东丽区|大港区|汉沽区|塘沽区|红桥区|河北区|河西区|河东区|和平区");  
wheregmp[4] = new gmpcomefrom("重庆","铜梁县|潼南区|綦江县|南川区|永川区|合川区|江津区|长寿区|黔江区|涪陵区|万州区|巴南区|渝北区|双桥区|北碚区|南岸区|九龙坡|沙坪坝|江北区|大渡口|渝中区");  
wheregmp[5] = new gmpcomefrom("辽宁","北票市|凌源市|朝阳市|辽阳市|阜新市|盘锦市|营口市|葫芦岛市|锦州市|丹东市|本溪市|抚顺市|鞍山市|大连市|沈阳市");  
wheregmp[6] = new gmpcomefrom("吉林","松原市|白城市|白山市|通化市|辽源市|四平市|吉林市|长春市");  
wheregmp[7] = new gmpcomefrom("黑龙江","大兴安岭|绥化市|黑河市|七台河市|佳木斯市|牡丹江市|伊春市|大庆市|鸡西市|双鸭山|鹤岗市|齐齐哈尔|哈尔滨");  
wheregmp[8] = new gmpcomefrom("河北","沧州市|衡水市|廊坊市|承德市|张家口|保定市|邢台市|邯郸市|秦皇岛|唐山市|石家庄");  
wheregmp[9] = new gmpcomefrom("山西","吕梁地区|临汾市|忻州市|运城市|晋中市|朔州市|晋城市|长治市|阳泉市|大同市|太原市");  
wheregmp[10] = new gmpcomefrom("河南","济源市|驻马店|周口市|信阳市|商丘市|南阳市|三门峡|漯河市|许昌市|濮阳市|安阳市|新乡市|鹤壁市|焦作市|平顶山|洛阳市|开封市|郑州市");  
wheregmp[11] = new gmpcomefrom("山东","菏泽市|滨州市|聊城市|德州市|临沂市|莱芜市|日照市|泰安市|济宁市|威海市|烟台市|潍坊市|东营市|枣庄市|淄博市|青岛市|济南市");  
wheregmp[12] = new gmpcomefrom("江苏","苏州市|无锡市|常州市|镇江市|南通市|泰州市|扬州市|盐城市|宿迁市|淮安市|连云港|徐州市|南京市");  
wheregmp[13] = new gmpcomefrom("安徽","宣城市|池州市|亳州市|六安市|巢湖市|宿州市|阜阳市|滁州市|黄山市|安庆市|铜陵市|淮北市|马鞍山|淮南市|蚌埠市|芜湖市|合肥市");  
wheregmp[14] = new gmpcomefrom("江西","上饶市|抚州市|宜春市|吉安市|赣州市|鹰潭市|新余市|九江市|萍乡市|南昌市");  
wheregmp[15] = new gmpcomefrom("浙江","丽水市|湖州市|台州市|舟山市|衢州市|金华市|绍兴市|嘉兴市|温州市|宁波市|杭州市");  
wheregmp[16] = new gmpcomefrom("福建","宁德市|龙岩市|南平市|漳州市|泉州市|莆田市|三明市|厦门市|福州市");  
wheregmp[17] = new gmpcomefrom("广东","云浮市|揭阳市|潮州市|清远市|肇庆市|茂名市|湛江市|阳江市|佛山市|江门市|中山市|东莞市|汕尾市|梅州市|河源市|惠州市|韶关市|汕头市|珠海市|深圳市|广州市");  
wheregmp[18] = new gmpcomefrom("海南","三亚市|海口市"); 
wheregmp[19] = new gmpcomefrom("贵州","黔南|黔东|黔西|毕节|铜仁|安顺市|遵义市|六盘水|贵阳市");  
wheregmp[20] = new gmpcomefrom("云南","迪庆|怒江|德宏|大理|楚雄|西双版纳|红河|文山|丽江|临沧|思茅|邵通市|保山市|玉溪市|昆明市");  
wheregmp[21] = new gmpcomefrom("四川","凉山|甘孜|阿坝|资阳市|巴中市|雅安市|眉山市|达州市|广安市|宜宾市|南充市|乐山市|内江市|遂宁市|广元市|绵阳市|德阳市|攀枝花|自贡市|成都市");  
wheregmp[22] = new gmpcomefrom("湖南","湘西|娄底市|怀化市|永州市|郴州市|益阳市|张家界|常德市|岳阳市|邵阳市|衡阳市|湘潭市|株洲市|长沙市");  
wheregmp[23] = new gmpcomefrom("湖北","潜江市|天门市|仙桃市|恩施|随州市|咸宁市|黄冈市|孝感市|鄂州市|荆门市|宜昌市|荆州市|十堰市|襄樊市|黄石市|武汉市");  
wheregmp[24] = new gmpcomefrom("陕西","商洛市|安康市|榆林市|汉中市|延安市|渭南市|咸阳市|宝鸡市|铜川市|西安市");  
wheregmp[25] = new gmpcomefrom("甘肃","临夏|甘南|陇南|定西|庆阳市|酒泉市|平凉市|张掖市|武威市|嘉峪关|天水市|白银市|金昌市|兰州市"); 
wheregmp[26] = new gmpcomefrom("青海","海西|玉树|果洛|海南|黄南|海北|海东|西宁市");  
wheregmp[27] = new gmpcomefrom("内蒙古","兴安盟|阿拉善盟|巴彦淖尔盟|锡林郭勒盟|乌兰察布盟|呼伦贝尔|鄂尔多斯|赤峰市|乌海市|包头市|呼和浩特");  
wheregmp[28] = new gmpcomefrom("西藏","林芝|阿里|日喀则|山南|昌都|拉萨市");  
wheregmp[29] = new gmpcomefrom("新疆","五家渠|图木舒克|阿拉尔|石河子|塔城|伊犁哈萨克|博尔塔拉|昌吉州|巴音郭楞|克孜勒苏柯尔克孜|喀什|阿克苏|和田|哈密|吐鲁番|克拉玛依|乌鲁木齐");  
wheregmp[30] = new gmpcomefrom("广西","崇左市|来宾市|河池市|贺州市|百色市|玉林市|贵港市|钦州市|防城港|北海市|梧州市|桂林市|柳州市|南宁市");  
wheregmp[31] = new gmpcomefrom("宁夏","固原市|吴忠市|石嘴山|银川市");  
wheregmp[32] = new gmpcomefrom("香港","");  
wheregmp[33] = new gmpcomefrom("澳门","");  
wheregmp[34] = new gmpcomefrom("台湾","");
wheregmp[35]= new gmpcomefrom("全国","全国"); 

function gmpselect() 
{
    //alert(document.gmp.province);
    with(document.gmp.province) 
    { 
    var gmploca2 = options[selectedIndex].value; 
        if(gmploca2=="全国")
        {
         document.gmp.city.style.display= "none";
        }
    else
    {
    document.gmp.city.style.display= "";
    }
}

    for(i = 0;i < wheregmp.length;i ++)
    { 
    if (wheregmp[i].gmploca == gmploca2)
        { 
        gmploca3 = (wheregmp[i].gmplocacity).split("|"); 
        for(j = 0;j< gmploca3.length;j++) 
            {
                with(document.gmp.city) 
                { 
                length = gmploca3.length;
                options[j].text = gmploca3[j];
                options[j].value = gmploca3[j];
                var gmploca4=options[selectedIndex].value;
                }
            }
        break; 
        }
    }
document.gmp.gmpacting.value = gmploca2;
document.gmp.gmpacting1.value = gmploca4;
} 

with(document.gmp.province)
{
    length = wheregmp.length; 
    for(k=0;k<wheregmp.length;k++)
    {
    options[k].text = wheregmp[k].gmploca;
    options[k].value = wheregmp[k].gmploca;
    } 
options[selectedIndex].text = wheregmp[0].gmploca;
options[selectedIndex].value = wheregmp[0].gmploca; 
} 

with(document.gmp.city)
{ 
gmploca3 = (wheregmp[0].gmplocacity).split("|"); 
length = gmploca3.length; 
for(l=0;l<length;l++)
{ 
options[l].text = gmploca3[l];
options[l].value = gmploca3[l];
} 
options[selectedIndex].text = gmploca3[0];
options[selectedIndex].value = gmploca3[0]; 
}