var AreaMap = function(provinceid,cityid){    
    var cityid = cityid;
    var provinceid = provinceid;
    var cityname;
    var provincename;    
    var map = new Array(34);
        map[0]= new comefrom("-请选择-","-请选择-");
        map[1] = new comefrom("北京","-请选择-|东城|西城|崇文|宣武|朝阳|丰台|石景山|门头沟|房山|通州|顺义|昌平|大兴|平谷|怀柔|密云|延庆"); 
        map[2] = new comefrom("上海","-请选择-|黄浦|卢湾|徐汇|长宁|静安|普陀|闸北|虹口|杨浦|闵行|宝山|嘉定|浦东|金山|松江|青浦|南汇|奉贤|崇明"); 
        map[3] = new comefrom("天津","-请选择-|和平|东丽|河东|西青|河西|津南|南开|北辰|河北|武清|红挢|塘沽|汉沽|大港|宁河|静海|宝坻|蓟县"); 
        map[4] = new comefrom("重庆","-请选择-|万州|涪陵|渝中|大渡口|江北|沙坪坝|九龙坡|南岸|北碚|万盛|双挢|渝北|巴南|黔江|长寿|綦江|潼南|铜梁|大足|荣昌|壁山|梁平|城口|丰都|垫江|武隆|忠县|开县|云阳|奉节|巫山|巫溪|石柱|秀山|酉阳|彭水|江津|合川|永川|南川"); 
        map[5] = new comefrom("河北","-请选择-|石家庄|邯郸|邢台|保定|张家口|承德|廊坊|唐山|秦皇岛|沧州|衡水"); 
        map[6] = new comefrom("山西","-请选择-|太原|大同|阳泉|长治|晋城|朔州|吕梁|忻州|晋中|临汾|运城"); 
        map[7] = new comefrom("内蒙古","-请选择-|呼和浩特|包头|乌海|赤峰|呼伦贝尔盟|阿拉善盟|哲里木盟|兴安盟|乌兰察布盟|锡林郭勒盟|巴彦淖尔盟|伊克昭盟"); 
        map[8] = new comefrom("辽宁","-请选择-|沈阳|大连|鞍山|抚顺|本溪|丹东|锦州|营口|阜新|辽阳|盘锦|铁岭|朝阳|葫芦岛"); 
        map[9] = new comefrom("吉林","-请选择-|长春|吉林|四平|辽源|通化|白山|松原|白城|延边"); 
        map[10] = new comefrom("黑龙江","-请选择-|哈尔滨|齐齐哈尔|牡丹江|佳木斯|大庆|绥化|鹤岗|鸡西|黑河|双鸭山|伊春|七台河|大兴安岭"); 
        map[11] = new comefrom("江苏","-请选择-|南京|镇江|苏州|南通|扬州|盐城|徐州|连云港|常州|无锡|宿迁|泰州|淮安"); 
        map[12] = new comefrom("浙江","-请选择-|杭州|宁波|温州|嘉兴|湖州|绍兴|金华|衢州|舟山|台州|丽水"); 
        map[13] = new comefrom("安徽","-请选择-|合肥|芜湖|蚌埠|马鞍山|淮北|铜陵|安庆|黄山|滁州|宿州|池州|淮南|巢湖|阜阳|六安|宣城|亳州"); 
        map[14] = new comefrom("福建","-请选择-|福州|厦门|莆田|三明|泉州|漳州|南平|龙岩|宁德"); 
        map[15] = new comefrom("江西","-请选择-|南昌市|景德镇|九江|鹰潭|萍乡|新馀|赣州|吉安|宜春|抚州|上饶"); 
        map[16] = new comefrom("山东","-请选择-|济南|青岛|淄博|枣庄|东营|烟台|潍坊|济宁|泰安|威海|日照|莱芜|临沂|德州|聊城|滨州|菏泽"); 
        map[17] = new comefrom("河南","-请选择-|郑州|开封|洛阳|平顶山|安阳|鹤壁|新乡|焦作|濮阳|许昌|漯河|三门峡|南阳|商丘|信阳|周口|驻马店|济源"); 
        map[18] = new comefrom("湖北","-请选择-|武汉|宜昌|荆州|襄樊|黄石|荆门|黄冈|十堰|恩施|潜江|天门|仙桃|随州|咸宁|孝感|鄂州");
        map[19] = new comefrom("湖南","-请选择-|长沙|常德|株洲|湘潭|衡阳|岳阳|邵阳|益阳|娄底|怀化|郴州|永州|湘西|张家界"); 
        map[20] = new comefrom("广东","-请选择-|广州|深圳|珠海|汕头|东莞|中山|佛山|韶关|江门|湛江|茂名|肇庆|惠州|梅州|汕尾|河源|阳江|清远|潮州|揭阳|云浮"); 
        map[21] = new comefrom("广西","-请选择-|南宁|柳州|桂林|梧州|北海|防城港|钦州|贵港|玉林|南宁地区|柳州地区|贺州|百色|河池"); 
        map[22] = new comefrom("海南","-请选择-|海口|三亚"); 
        map[23] = new comefrom("四川","-请选择-|成都|绵阳|德阳|自贡|攀枝花|广元|内江|乐山|南充|宜宾|广安|达川|雅安|眉山|甘孜|凉山|泸州"); 
        map[24] = new comefrom("贵州","-请选择-|贵阳|六盘水|遵义|安顺|铜仁|黔西南|毕节|黔东南|黔南"); 
        map[25] = new comefrom("云南","-请选择-|昆明|大理|曲靖|玉溪|昭通|楚雄|红河|文山|思茅|西双版纳|保山|德宏|丽江|怒江|迪庆|临沧");
        map[26] = new comefrom("西藏","-请选择-|拉萨|日喀则|山南|林芝|昌都|阿里|那曲"); 
        map[27] = new comefrom("陕西","-请选择-|西安|宝鸡|咸阳|铜川|渭南|延安|榆林|汉中|安康|商洛"); 
        map[28] = new comefrom("甘肃","-请选择-|兰州|嘉峪关|金昌|白银|天水|酒泉|张掖|武威|定西|陇南|平凉|庆阳|临夏|甘南"); 
        map[29] = new comefrom("宁夏","-请选择-|银川|石嘴山|吴忠|固原"); 
        map[30] = new comefrom("青海","-请选择-|西宁|海东|海南|海北|黄南|玉树|果洛|海西"); 
        map[31] = new comefrom("新疆","-请选择-|乌鲁木齐|石河子|克拉玛依|伊犁|巴音郭勒|昌吉|克孜勒苏柯尔克孜|博尔塔拉|吐鲁番|哈密|喀什|和田|阿克苏"); 
        map[32] = new comefrom("香港","-请选择-|香港"); 
        map[33] = new comefrom("澳门","-请选择-|澳门"); 
        map[34] = new comefrom("台湾","-请选择-|台北|高雄|台中|台南|屏东|南投|云林|新竹|彰化|苗栗|嘉义|花莲|桃园|宜兰|基隆|台东|金门|马祖|澎湖"); 
    
    function $(id){return document.getElementById(id);}
    function comefrom(provinces,citys){this.provinces=provinces;this.citys=citys;}
    
    return{
        province:function(provincename,cityname){
           provincename = provincename;
           cityname = cityname;
           $(provinceid).options.length = 0;
           for(i=0;i<map.length;i++){
                $(provinceid).options.add(new Option(map[i].provinces, map[i].provinces)); 
           }
           if(provincename!='' && cityname!=''){
                 $(provinceid).value = provincename;
              this.city(provincename);
              $(cityid).value = cityname;  
           }
        },
        city:function(provincename){
            $(cityid).options.length = 0;
            for(i=0;i<map.length;i++){
                if(map[i].provinces==provincename){
                    var citys = (map[i].citys).split("|");
                    for(x=0;x<citys.length;x++){
                        $(cityid).options.add(new Option(citys[x],citys[x])); 
                    }
                }
            }
        }
    }
}