function initParentListArea(obj)
{

  obj.options.add(new Option ('Anhui        安徽  ->','1'));

  obj.options.add(new Option ('Beijing      北京  ->','3'));

  obj.options.add(new Option ('Chongqing    重庆  ->','6'));

  obj.options.add(new Option ('Fujian       福建  ->','8'));

  obj.options.add(new Option ('Gansu        甘肃  ->','10'));

  obj.options.add(new Option ('Guangdong    广东  ->','12'));

  obj.options.add(new Option ('Guangxi      广西  ->','15'));

  obj.options.add(new Option ('Guizhou      贵州  ->','17'));

  obj.options.add(new Option ('Hainan       海南  ->','19'));

  obj.options.add(new Option ('Hebei        河北  ->','22'));

  obj.options.add(new Option ('Heilongjiang黑龙江  ->','25'));

  obj.options.add(new Option ('Henan        河南  ->','26'));

  obj.options.add(new Option ('HK           香港  ->','36'));

  obj.options.add(new Option ('Hubei        湖北  ->','29'));

  obj.options.add(new Option ('Hunan        湖南  ->','30'));

  obj.options.add(new Option ('Jiangsu      江苏  ->','32'));

  obj.options.add(new Option ('Jiangxi      江西  ->','34'));

  obj.options.add(new Option ('Jilin        吉林  ->','33'));

  obj.options.add(new Option ('Liaoning     辽宁  ->','31'));

  obj.options.add(new Option ('Macao        澳门  ->','5'));

  obj.options.add(new Option ('Neimenggu    内蒙古  ->','7'));

  obj.options.add(new Option ('Ningxia      宁夏  ->','9'));

  obj.options.add(new Option ('Qinghai      青海  ->','11'));

  obj.options.add(new Option ('Sanxi        陕西  ->','27'));

  obj.options.add(new Option ('Shandong     山东  ->','13'));

  obj.options.add(new Option ('Shanghai     上海  ->','2'));

  obj.options.add(new Option ('Shanxi       山西  ->','24'));

  obj.options.add(new Option ('Sichuan      四川  ->','23'));

  obj.options.add(new Option ('Taiwan       台湾地区  ->','35'));

  obj.options.add(new Option ('Tianjin      天津  ->','20'));

  obj.options.add(new Option ('Xinjiang     新疆  ->','18'));

  obj.options.add(new Option ('Xizang       西藏  ->','16'));

  obj.options.add(new Option ('Yunnan       云南  ->','14'));

  obj.options.add(new Option ('Zhejiang     浙江  ->','4'));

}

function changeChildListArea(parentObj,childObj)
{
  count=childObj.options.length;
  for(i=0;i<count;i++)
  {
      childObj.remove(0);
  }
  var parentValue=parentObj.value;
  switch(parentValue)
  {

    case '1' :
      //childObj.options.add(new Option ('不限',''));


      childObj.options.add(new Option ('AnQing       安庆','258'));


      childObj.options.add(new Option ('Bangbu       蚌埠','5'));


      childObj.options.add(new Option ('Caohu        巢湖','351'));


      childObj.options.add(new Option ('FuYang       阜阳','263'));


      childObj.options.add(new Option ('Hefei        合肥','1'));


      childObj.options.add(new Option ('Huainan      淮南','352'));


      childObj.options.add(new Option ('Huangshan    黄山','15'));


      childObj.options.add(new Option ('Jiuhuashan   九华山','16'));


      childObj.options.add(new Option ('Maanshan     马鞍山','19'));


      childObj.options.add(new Option ('SuZhouAn     宿州','269'));


      childObj.options.add(new Option ('Wuhu         芜湖','24'));

      break;

    case '2' :
      //childObj.options.add(new Option ('不限',''));


      childObj.options.add(new Option ('Shanghai     上海','3'));

      break;

    case '3' :
      //childObj.options.add(new Option ('不限',''));


      childObj.options.add(new Option ('Beijing      北京','4'));

      break;

    case '4' :
      //childObj.options.add(new Option ('不限',''));


      childObj.options.add(new Option ('Anji         安吉','237'));


      childObj.options.add(new Option ('Cixi         慈溪','11'));


      childObj.options.add(new Option ('dongyang     东阳','311'));


      childObj.options.add(new Option ('Fenghua      奉化','353'));


      childObj.options.add(new Option ('Fuyangzhejiang富阳','345'));


      childObj.options.add(new Option ('Haining      海宁','25'));


      childObj.options.add(new Option ('Hangzhou     杭州','6'));


      childObj.options.add(new Option ('Huzhou       湖州','30'));


      childObj.options.add(new Option ('Jiashan      嘉善','35'));


      childObj.options.add(new Option ('Jiaxing      嘉兴','37'));


      childObj.options.add(new Option ('Jinhua       金华','40'));


      childObj.options.add(new Option ('lanxi        兰溪','335'));


      childObj.options.add(new Option ('leqing       乐清','326'));


      childObj.options.add(new Option ('LinAn        临安','273'));


      childObj.options.add(new Option ('linhai       林海','322'));


      childObj.options.add(new Option ('lishui       丽水','325'));


      childObj.options.add(new Option ('Ningbo       宁波','57'));


      childObj.options.add(new Option ('Ninghai      宁海','58'));


      childObj.options.add(new Option ('Qiandaohu    千岛湖','62'));


      childObj.options.add(new Option ('Quzhou       衢州','354'));


      childObj.options.add(new Option ('RuiAn        瑞安','348'));


      childObj.options.add(new Option ('Shangyu      上虞','329'));


      childObj.options.add(new Option ('Shaoxing     绍兴','68'));


      childObj.options.add(new Option ('Shengsi      嵊泗','71'));


      childObj.options.add(new Option ('taizhoushi   台州','321'));


      childObj.options.add(new Option ('Tongxiang    桐乡','347'));


      childObj.options.add(new Option ('Wenzhou      温州','85'));


      childObj.options.add(new Option ('Xinchangzhejiang新昌','245'));


      childObj.options.add(new Option ('Yandangshan  雁荡山','89'));


      childObj.options.add(new Option ('Yiwu         义乌','91'));


      childObj.options.add(new Option ('yongkang     永康','346'));


      childObj.options.add(new Option ('Yuyao        余姚','312'));


      childObj.options.add(new Option ('Zhoushan     舟山','96'));


      childObj.options.add(new Option ('Zhuji        诸暨','324'));

      break;

    case '5' :
      //childObj.options.add(new Option ('不限',''));


      childObj.options.add(new Option ('Macao        澳门','22'));

      break;

    case '6' :
      //childObj.options.add(new Option ('不限',''));


      childObj.options.add(new Option ('Chongqing    重庆','27'));

      break;

    case '7' :
      //childObj.options.add(new Option ('不限',''));


      childObj.options.add(new Option ('Baotou       包头','43'));


      childObj.options.add(new Option ('ErDuoSi      鄂尔多斯','260'));


      childObj.options.add(new Option ('Huhehaote    呼和浩特','33'));

      break;

    case '8' :
      //childObj.options.add(new Option ('不限',''));


      childObj.options.add(new Option ('Deqing       德清','301'));


      childObj.options.add(new Option ('Fuding       福鼎','227'));


      childObj.options.add(new Option ('Fuzhou       福州','29'));


      childObj.options.add(new Option ('Jinjiang     晋江','228'));


      childObj.options.add(new Option ('Liancheng    连城','229'));


      childObj.options.add(new Option ('Ningde       宁德','231'));


      childObj.options.add(new Option ('Putian       莆田','41'));


      childObj.options.add(new Option ('Quanzhou     泉州','42'));


      childObj.options.add(new Option ('Shishi       石狮','47'));


      childObj.options.add(new Option ('Wuyishan     武夷山','49'));


      childObj.options.add(new Option ('Xiamen       厦门','50'));


      childObj.options.add(new Option ('Zhangzhou    漳州','53'));

      break;

    case '9' :
      //childObj.options.add(new Option ('不限',''));


      childObj.options.add(new Option ('Yinchuan     银川','52'));

      break;

    case '10' :
      //childObj.options.add(new Option ('不限',''));


      childObj.options.add(new Option ('Dunhuang     敦煌','60'));


      childObj.options.add(new Option ('jiayuguan    嘉峪关','304'));


      childObj.options.add(new Option ('Lanzhou      兰州','56'));


      childObj.options.add(new Option ('tianshui     天水','338'));

      break;

    case '11' :
      //childObj.options.add(new Option ('不限',''));


      childObj.options.add(new Option ('Xining       西宁','61'));

      break;

    case '12' :
      //childObj.options.add(new Option ('不限',''));


      childObj.options.add(new Option ('Chaozhou     潮州','67'));


      childObj.options.add(new Option ('Dongguan     东莞','70'));


      childObj.options.add(new Option ('Foshan       佛山','73'));


      childObj.options.add(new Option ('Guangzhou    广州','64'));


      childObj.options.add(new Option ('heyuan       河源','281'));


      childObj.options.add(new Option ('Huizhou      惠州','79'));


      childObj.options.add(new Option ('Jiangmen     江门','81'));


      childObj.options.add(new Option ('KaiPing      开平','298'));


      childObj.options.add(new Option ('maoming      茂名','243'));


      childObj.options.add(new Option ('MeiZhou      梅州','302'));


      childObj.options.add(new Option ('py           番禺','342'));


      childObj.options.add(new Option ('QingYuan     清远','290'));


      childObj.options.add(new Option ('Shantou      汕头','90'));


      childObj.options.add(new Option ('ShanWei      汕尾','299'));


      childObj.options.add(new Option ('shaoguan     韶关','308'));


      childObj.options.add(new Option ('Shenzhen     深圳','95'));


      childObj.options.add(new Option ('Taishan      台山','97'));


      childObj.options.add(new Option ('Yangjiang    阳江','296'));


      childObj.options.add(new Option ('Zhanjiang    湛江','102'));


      childObj.options.add(new Option ('Zhaoqing     肇庆','103'));


      childObj.options.add(new Option ('Zhongshan    中山','104'));


      childObj.options.add(new Option ('Zhuhai       珠海','108'));

      break;

    case '13' :
      //childObj.options.add(new Option ('不限',''));


      childObj.options.add(new Option ('BinZhou      滨州','306'));


      childObj.options.add(new Option ('dezhou       德州','332'));


      childObj.options.add(new Option ('heze         菏泽','331'));


      childObj.options.add(new Option ('Jinan        济南','74'));


      childObj.options.add(new Option ('Laiwu        莱芜','350'));


      childObj.options.add(new Option ('LingYi       临沂','307'));


      childObj.options.add(new Option ('Penglai      蓬莱','78'));


      childObj.options.add(new Option ('Qingdao      青岛','124'));


      childObj.options.add(new Option ('qufu         曲阜','330'));


      childObj.options.add(new Option ('Rizhao       日照','253'));


      childObj.options.add(new Option ('Taian        泰安','254'));


      childObj.options.add(new Option ('WeiFang      潍坊','282'));


      childObj.options.add(new Option ('Weihai       威海','240'));


      childObj.options.add(new Option ('Yantai       烟台','135'));


      childObj.options.add(new Option ('Zhaozhuang   枣庄','336'));


      childObj.options.add(new Option ('Zibo         淄博','239'));

      break;

    case '14' :
      //childObj.options.add(new Option ('不限',''));


      childObj.options.add(new Option ('Dali         大理','105'));


      childObj.options.add(new Option ('Diqing       迪庆','251'));


      childObj.options.add(new Option ('Kunming      昆明','101'));


      childObj.options.add(new Option ('Lijiang      丽江','106'));


      childObj.options.add(new Option ('Xianggelila  香格里拉','107'));


      childObj.options.add(new Option ('Xishuangbanna西双版纳','109'));

      break;

    case '15' :
      //childObj.options.add(new Option ('不限',''));


      childObj.options.add(new Option ('Beihai       北海','111'));


      childObj.options.add(new Option ('Guilin       桂林','112'));


      childObj.options.add(new Option ('liuzhou      柳州','313'));


      childObj.options.add(new Option ('Nanning      南宁','110'));


      childObj.options.add(new Option ('Wuzhou       梧州','355'));

      break;

    case '16' :
      //childObj.options.add(new Option ('不限',''));


      childObj.options.add(new Option ('Lasa         拉萨','114'));


      childObj.options.add(new Option ('Rikaze       日喀则','252'));

      break;

    case '17' :
      //childObj.options.add(new Option ('不限',''));


      childObj.options.add(new Option ('Guiyang      贵阳','117'));


      childObj.options.add(new Option ('libo         荔波','303'));


      childObj.options.add(new Option ('Zunyi        遵义','119'));

      break;

    case '18' :
      //childObj.options.add(new Option ('不限',''));


      childObj.options.add(new Option ('Kelamayi     克拉玛依','122'));


      childObj.options.add(new Option ('Kuerle       库尔勒','238'));


      childObj.options.add(new Option ('Tulufan      吐鲁番','126'));


      childObj.options.add(new Option ('Wulumuqi     乌鲁木齐','120'));

      break;

    case '19' :
      //childObj.options.add(new Option ('不限',''));


      childObj.options.add(new Option ('BoAo         博鏊','287'));


      childObj.options.add(new Option ('dingan       定安','339'));


      childObj.options.add(new Option ('Haikou       海口','121'));


      childObj.options.add(new Option ('LingShui     陵水','256'));


      childObj.options.add(new Option ('Qionghai     琼海','125'));


      childObj.options.add(new Option ('Sanya        三亚','128'));


      childObj.options.add(new Option ('Wanning      万宁','131'));


      childObj.options.add(new Option ('WuZhiShan    五指山','255'));


      childObj.options.add(new Option ('ZhanZhou     儋州','277'));

      break;

    case '20' :
      //childObj.options.add(new Option ('不限',''));


      childObj.options.add(new Option ('Tianjin      天津','130'));

      break;

    case '22' :
      //childObj.options.add(new Option ('不限',''));


      childObj.options.add(new Option ('Baoding      保定','134'));


      childObj.options.add(new Option ('Beidaihe     北戴河','136'));


      childObj.options.add(new Option ('cangzhou     沧州','317'));


      childObj.options.add(new Option ('Chengde      承德','141'));


      childObj.options.add(new Option ('Handan       邯郸','143'));


      childObj.options.add(new Option ('langfang     廊坊','334'));


      childObj.options.add(new Option ('Nandaihe     南戴河','149'));


      childObj.options.add(new Option ('QianAn       迁安','262'));


      childObj.options.add(new Option ('Qinhuangdao  秦皇岛','152'));


      childObj.options.add(new Option ('Shijiazhuang石家庄','133'));


      childObj.options.add(new Option ('Tangshan     唐山','155'));


      childObj.options.add(new Option ('xingtai      邢台','305'));

      break;

    case '23' :
      //childObj.options.add(new Option ('不限',''));


      childObj.options.add(new Option ('abazhou      阿坝州','291'));


      childObj.options.add(new Option ('Chengdu      成都','138'));


      childObj.options.add(new Option ('deyang       德阳','327'));


      childObj.options.add(new Option ('Dujiangyan   都江堰','144'));


      childObj.options.add(new Option ('E`meishan    峨眉山','147'));


      childObj.options.add(new Option ('GUANGAN      广安','343'));


      childObj.options.add(new Option ('Jiuzhaigou   九寨沟','150'));


      childObj.options.add(new Option ('Leshan       乐山','151'));


      childObj.options.add(new Option ('luzhou       泸州','328'));


      childObj.options.add(new Option ('Mianyang     绵阳','157'));


      childObj.options.add(new Option ('Nanchong     南充','288'));


      childObj.options.add(new Option ('neijiang     内江','284'));


      childObj.options.add(new Option ('Panzhihua    攀枝花','344'));


      childObj.options.add(new Option ('SuiNin       遂宁','286'));


      childObj.options.add(new Option ('xichang      西昌','285'));


      childObj.options.add(new Option ('YiBin        宜宾','275'));


      childObj.options.add(new Option ('Zigong       自贡','264'));

      break;

    case '24' :
      //childObj.options.add(new Option ('不限',''));


      childObj.options.add(new Option ('datong       大同','295'));


      childObj.options.add(new Option ('JinCheng     晋城','268'));


      childObj.options.add(new Option ('jinzhong     晋中','280'));


      childObj.options.add(new Option ('pingyao      平遥','276'));


      childObj.options.add(new Option ('Taiyuan      太原','225'));


      childObj.options.add(new Option ('YuCi         榆次','297'));


      childObj.options.add(new Option ('YunCheng     运城','292'));

      break;

    case '25' :
      //childObj.options.add(new Option ('不限',''));


      childObj.options.add(new Option ('daqing       大庆','314'));


      childObj.options.add(new Option ('Haerbin      哈尔滨','159'));


      childObj.options.add(new Option ('HeGang       鹤岗','257'));


      childObj.options.add(new Option ('Mudanjiang   牡丹江','265'));


      childObj.options.add(new Option ('qiqihaer     齐齐哈尔','272'));

      break;

    case '26' :
      //childObj.options.add(new Option ('不限',''));


      childObj.options.add(new Option ('anyang       安阳','318'));


      childObj.options.add(new Option ('HeBi         鹤壁','267'));


      childObj.options.add(new Option ('JiaoZuo      焦作','266'));


      childObj.options.add(new Option ('Jiyuan       济源','340'));


      childObj.options.add(new Option ('Kaifeng      开封','172'));


      childObj.options.add(new Option ('LuoHe        漯河','259'));


      childObj.options.add(new Option ('Luoyang      洛阳','173'));


      childObj.options.add(new Option ('nanyang      南阳','293'));


      childObj.options.add(new Option ('puyang       濮阳','309'));


      childObj.options.add(new Option ('sanmenxia    三门峡','315'));


      childObj.options.add(new Option ('xinxiang     新乡','300'));


      childObj.options.add(new Option ('Zhengzhou    郑州','167'));


      childObj.options.add(new Option ('Zhumadian    驻马店','337'));

      break;

    case '27' :
      //childObj.options.add(new Option ('不限',''));


      childObj.options.add(new Option ('baoji        宝鸡','249'));


      childObj.options.add(new Option ('Hanzhong     汉中','341'));


      childObj.options.add(new Option ('Xian         西安','169'));


      childObj.options.add(new Option ('xianyang     咸阳','250'));


      childObj.options.add(new Option ('YanAn        延安','294'));

      break;

    case '29' :
      //childObj.options.add(new Option ('不限',''));


      childObj.options.add(new Option ('enshi        恩施','283'));


      childObj.options.add(new Option ('jingzhou     荆州','319'));


      childObj.options.add(new Option ('shiyan       十堰','320'));


      childObj.options.add(new Option ('Wuhan        武汉','178'));


      childObj.options.add(new Option ('Xiangfan     襄樊','271'));


      childObj.options.add(new Option ('Yichan       宜昌','180'));

      break;

    case '30' :
      //childObj.options.add(new Option ('不限',''));


      childObj.options.add(new Option ('Changsha     长沙','181'));


      childObj.options.add(new Option ('chenzhou     郴州','333'));


      childObj.options.add(new Option ('ShaoShan     韶山','247'));


      childObj.options.add(new Option ('xiangtan     湘潭','244'));


      childObj.options.add(new Option ('YueYang      岳阳','261'));


      childObj.options.add(new Option ('Zhangjiajie  张家界','186'));


      childObj.options.add(new Option ('Zhuzhou      株洲','246'));

      break;

    case '31' :
      //childObj.options.add(new Option ('不限',''));


      childObj.options.add(new Option ('Dalian       大连','187'));


      childObj.options.add(new Option ('dandong      丹东','310'));


      childObj.options.add(new Option ('Jinzhou      锦州','192'));


      childObj.options.add(new Option ('panjin       盘锦','323'));


      childObj.options.add(new Option ('Shenyang     沈阳','182'));

      break;

    case '32' :
      //childObj.options.add(new Option ('不限',''));


      childObj.options.add(new Option ('Changshu     常熟','193'));


      childObj.options.add(new Option ('Changzhou    常州','194'));


      childObj.options.add(new Option ('Huaian       淮安','196'));


      childObj.options.add(new Option ('JiangDu      江都','248'));


      childObj.options.add(new Option ('Jiangyin     江阴','198'));


      childObj.options.add(new Option ('Jintan       金坛','232'));


      childObj.options.add(new Option ('Kunshan      昆山','201'));


      childObj.options.add(new Option ('Lianyungang  连云港','205'));


      childObj.options.add(new Option ('Liyang       溧阳','203'));


      childObj.options.add(new Option ('Nanjing      南京','191'));


      childObj.options.add(new Option ('Nantong      南通','207'));


      childObj.options.add(new Option ('Suqian       宿迁','233'));


      childObj.options.add(new Option ('Suzhou       苏州','213'));


      childObj.options.add(new Option ('Taicang      太仓','234'));


      childObj.options.add(new Option ('Taizhou      泰州','235'));


      childObj.options.add(new Option ('Tongli       同里','216'));


      childObj.options.add(new Option ('wujiang      吴江','349'));


      childObj.options.add(new Option ('Wuxi         无锡','220'));


      childObj.options.add(new Option ('Xuzhou       徐州','221'));


      childObj.options.add(new Option ('Yancheng     盐城','223'));


      childObj.options.add(new Option ('Yangzhou     扬州','224'));


      childObj.options.add(new Option ('Yixing       宜兴','222'));


      childObj.options.add(new Option ('yizheng      仪征','316'));


      childObj.options.add(new Option ('Zhangjiagang张家港','219'));


      childObj.options.add(new Option ('Zhenjiang    镇江','217'));


      childObj.options.add(new Option ('Zhouzhuang   周庄','215'));

      break;

    case '33' :
      //childObj.options.add(new Option ('不限',''));


      childObj.options.add(new Option ('ANTU         安图','279'));


      childObj.options.add(new Option ('Changchun    长春','211'));


      childObj.options.add(new Option ('Jilin        吉林','199'));

      break;

    case '34' :
      //childObj.options.add(new Option ('不限',''));


      childObj.options.add(new Option ('JiAn         吉安','289'));


      childObj.options.add(new Option ('Jingdezhen   景德镇','202'));


      childObj.options.add(new Option ('Jinggangshan井冈山','204'));


      childObj.options.add(new Option ('Jiujiang     九江','206'));


      childObj.options.add(new Option ('Lushan       庐山','208'));


      childObj.options.add(new Option ('Nanchang     南昌','200'));


      childObj.options.add(new Option ('Pingxiang    萍乡','242'));


      childObj.options.add(new Option ('shangrao     上饶','274'));

      break;

    case '35' :
      //childObj.options.add(new Option ('不限',''));


      childObj.options.add(new Option ('Taibei       台北市','241'));

      break;

    case '36' :
      //childObj.options.add(new Option ('不限',''));


      childObj.options.add(new Option ('Xianggang    香港','176'));

      break;
		
  }
    //清除文本输入城市与选择常用城市
    document.search.cityname.value=''; 

    var i;
    for(i=0;i<document.getElementsByName("thecity").length;i++){
        document.getElementsByName("thecity")[i].checked=false;
    } 

	//默认选中第一个选项
    var nowcount=childObj.options.length;
    for(i=0;i<nowcount;i++)
    {
      childObj.options[0].selected=true;
    }
}