//more javascript from http://www.smallrain.net
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 change(v){
   var str="0";
   for(i=0;i<v;i++){
       str+=("_"+(document.getElementById(s[i]).selectedIndex-1));};
   var ss=document.getElementById(s[v]);
   with(ss){
       length=0;
       options[0]=new Option(opt0[v],opt0[v]);
       if(v&&document.getElementById(s[v-1]).selectedIndex>0||!v){
           if(dsy.Exists(str)){
               ar=dsy.Items[str];
               for(i=0;i<ar.length;i++){
                   options[length]=new Option(ar[i],ar[i]);}
               if(v){
                   options[1].selected=true;}}}
       if(++v<s.length){
           change(v);}}}
var dsy=new Dsy();
dsy.add ("0",["Mainland China","Taiwan","Hong Kong","Asia Pacific Region","U.S","Canda","Europe","Other"]);
dsy.add("0_0",["Anhui Province","Beijing","Chongqing","Fujian Province","Gansu Province","Guangdong Province","Guangxi","GuiZhou Province","Hainan Province","Hebei Province","Henan Province","Heilongjiang Province","Hubei Province","Hunan Province","Jilin Province","Jiangsu Province","Jiangxi Province","Liaoning Province","Neimenggu","Ningxia","Qinghai Province","Shandong Province","Shanxi Province","Shaanxi","Shanghai","Sichuan Province","Tianjin","Tibet","Xinjiang","Yunnan Province","Zhejiang Province","Other"]);
dsy.add("0_0_0",["Hefei","Bengbang","Wuhu","Maanshan","Huangshan","Huainan","Huaibei","Huaihua","Fuyang","Anqing","Liuan","Other city"]);
dsy.add("0_0_1",["Beijing"]);
dsy.add("0_0_2",["Chongqing"]);
dsy.add("0_0_3",["Fuzhou","Xiamen","Quanzhou","Longyan","Putian","Zhangzhou","Nanping","Fuan","Sanming","Yongan","Other city"]);
dsy.add("0_0_4",["Lanzhou","Jiuquan","Tianshui","Xifeng","Other city"]);
dsy.add("0_0_5",["Guangzhou", "Shenzhen", "Zhuhai", "Chaozhou", "Dongguan", "Zhanjiang", "Zhaoqing", "Foshan", "Zhongshan", "Jiangmen", "Shaoguan", "Yingde", "Meizhou", "Shantou", "Huizhou", "Heyuan", "Maoming", "Shunde", "Other city"]);
dsy.add("0_0_6",["Nanning", "Guilin", "Wuzhou", "Liuzhou", "Yulin", "Baise", "Beihai", "Other city"]);
dsy.add("0_0_7",["Guaiyang", "Liupanshui", "Yupin", "Kaili", "Zunyi", "Tongren", "Anshun", "Other city"]);
dsy.add("0_0_8",["Haikou","Sanya","Other city"]);
dsy.add("0_0_9",["Shijiazhuang", "Chengde", "Tangshan", "Qinhuangdao", "Cangzhou", "Zhangjiakou", "Baoding", "Henshui", "Xingtai", "Handan", "Langfang", "Other city"]);
dsy.add("0_0_10",["Zhengzhou", "Luoyang", "Kaifeng", "Anyang", "Xuchang", "Xinyang", "Zhoukou", "Shangqiu", "Pingdingshan", "Jiaozuo", "Hebi", "Xinxiang", "Puyang", "Luohe", "Sanmenxia", "Zhumadian", "Nanyang", "Other city"]);
dsy.add("0_0_11",["Haerbin","Qiqihaer","Daqing","Jiamusi","Wudanjiang","Yichun","Λη»―","Heihe","Jixi","Daxinganlin","Heigang","Othercity"]);
dsy.add("0_0_12",["Wuhan","Yichang","Shiyan","Xiangfan","Huangshi","Jinmen","Ezhou","Xiaogan","Huanggang","Othercity"]);
dsy.add("0_0_13",["Changsha","Zhuzhou","Xiangtan","Hengyang","Yuyang","Yiyang","Changde","Zhangjiajie","Shaoyang","Huaihua","Bingzhou","Othercity"]);
dsy.add("0_0_14",["Changchun","Jilin","Tonghua","Siping","Yanji","Othercity"]);
dsy.add("0_0_15",["Nanjing","Wuxi","Suzhou","Xuzhou","Changzhou","Lianyungang","Nantong","Huaiyin","Zhenjiang","Yangzhou","Taizhou","Yancheng","Changshu","Wuyang","Suqian","Othercity"]);
dsy.add("0_0_16",["Nanchang","Jiujiang","Ganzhou","Shangrao","Yingtan","Jindezhen","Jingangshan","Yichun","Wuzhou","Jian","Othercity"]);
dsy.add("0_0_17",["Shenyang","Dalian","Fushun","Anshan","Jinzhou","yingkou","Benxi","Dandong","Liaoyang","Tieling","Othercity"]);
dsy.add("0_0_18",["Huhehaote","Baotou","Chifeng","Linhe","Wuhai","Othercity"]);
dsy.add("0_0_19",["Yinchuan","Shizuishan","Guyuan","Wuzhong","Othercity"]);
dsy.add("0_0_20",["Xining","Yushu","Haidong","Othercity"]);
dsy.add("0_0_21",["Jinan","Qingdao","Yantai","Zibo","Dongying","Suifang","Dezhou","Taian","Jining","Heze","Linyi","Weihai","Rizhao","Laiwu","Bingzhou","Liaocheng","Othercity"]);
dsy.add("0_0_22",["Taiyuan","Datong","Jincheng","Yuncheng","Linfen","Changzhi","Xizhou","Yangquan","Houma","Ningwu","Suozhou","Othercity"]);
dsy.add("0_0_23",["Xian","Xianyang","Weinan","Hanzhong","Baoji","Tongchuan","Yanan","Othercity"]);
dsy.add("0_0_24",["Shanghai"]);
dsy.add("0_0_25",["Chengdu","Mianyang","Leshan","Panzhishan","Zigong","Yibin","Nanchong","Neijiang","Luzhou","Peilin","Deyang","Othercity"]);
dsy.add("0_0_26",["Tianjin"]);
dsy.add("0_0_27",["Lasa","Other city"]);
dsy.add("0_0_28",["Wulumuqi","Kelamayi","Shihezi","Kuerle","Tulufan","Hami","Kashi","Yining","Othercity"]);
dsy.add("0_0_29",["Kunming","Dali","Chuxiong","Yuxi","Lijiang","Qujing","Gejiu","Othercity"]);
dsy.add("0_0_30",["Hangzhou","Ningbo","Wenzhou","Jiaxing","Jinhua","Huzhou","Lishui","Quzhou","Taizhou","Shaoxing","Linhai","Zhoushan","Othercity"]);
dsy.add("0_0_31",["Tianjin"]);

dsy.add("0_1",["Taiwan"]);
dsy.add("0_1_1",["Taiwan"]);

dsy.add("0_2",["Hong Kong"]);
dsy.add("0_2_1",["Hong Kong"]);

dsy.add("0_3",["Asia Pacific Region"]);
dsy.add("0_3_1",["Asia Pacific Region"]);

dsy.add("0_4",["U.S"]);
dsy.add("0_4_1",["U.S"]);

dsy.add("0_5",["Canda"]);
dsy.add("0_5_1",["Canda"]);

dsy.add("0_6",["Europe"]);
dsy.add("0_6_1",["Europe"]);

dsy.add("0_7",["Other"]);
dsy.add("0_7_1",["Other"]);