var countryRootNode={i:-1,t:'',
c:[{i:1,t:'China ',
c:[{i:2,t:'Anhui ',
c:[{i:7,t:'Anqing'},
{i:8,t:'Bangbu'},
{i:9,t:'Chaohu'},
{i:10,t:'Chizhou'},
{i:11,t:'Chuzhou'},
{i:18,t:'Fuyang'},
{i:3,t:'Hefei'},
{i:4,t:'Huaibei'},
{i:5,t:'Huainan'},
{i:6,t:'Huangshan'},
{i:12,t:'Liuan'},
{i:13,t:'Maanshan'},
{i:16,t:'Tongling'},
{i:17,t:'Wuhu'},
{i:14,t:'Xuancheng'},
{i:15,t:'Xuxian'}]},
{i:19,t:'Beijing ',
c:[{i:32,t:'Changping'},
{i:24,t:'Chaoyang'},
{i:22,t:'Chongwen'},
{i:33,t:'Daxing'},
{i:20,t:'Dongcheng'},
{i:29,t:'Fangshan'},
{i:26,t:'Fengtai'},
{i:25,t:'Haidian'},
{i:34,t:'Huairou'},
{i:28,t:'Mentougou'},
{i:36,t:'Miyun county'},
{i:35,t:'Pinggu'},
{i:27,t:'Shijingshan'},
{i:31,t:'Shunyi'},
{i:30,t:'Tongzhou'},
{i:21,t:'Xicheng'},
{i:23,t:'Xuanwu'},
{i:37,t:'Yanqing'}]},
{i:38,t:'Chongqing ',
c:[{i:39,t:'Chongqing'},
{i:40,t:'Fuling'},
{i:41,t:'Qianjiang'},
{i:42,t:'Wanxian'}]},
{i:43,t:'Fujian ',
c:[{i:44,t:'Fuzhou'},
{i:45,t:'Longyan'},
{i:46,t:'Nanping'},
{i:47,t:'Ningde'},
{i:48,t:'Putian'},
{i:49,t:'Quanzhou'},
{i:50,t:'Sanming'},
{i:51,t:'Xiamen'},
{i:52,t:'Zhangzhou'}]},
{i:53,t:'Gansu ',
c:[{i:57,t:'Baiyin'},
{i:56,t:'Dingxi'},
{i:55,t:'Gannan'},
{i:58,t:'Jiayuguan'},
{i:59,t:'Jinchang'},
{i:54,t:'Lanzhou'},
{i:61,t:'Linxia'},
{i:62,t:'Longnan'},
{i:63,t:'Pingliang'},
{i:64,t:'Qingyang'},
{i:60,t:'Qiuquan'},
{i:65,t:'Tianshui'},
{i:66,t:'Weiwu'},
{i:67,t:'Zhangye'}]},
{i:68,t:'Guangdong ',
c:[{i:75,t:'Chaozhou'},
{i:72,t:'Dongguang'},
{i:70,t:'Foshan'},
{i:69,t:'Gongzhou'},
{i:84,t:'Heyuan'},
{i:71,t:'Huizhou'},
{i:73,t:'Jiangmen'},
{i:74,t:'Jieyang'},
{i:76,t:'Maoming'},
{i:77,t:'Mingzhou'},
{i:78,t:'Qingyuan'},
{i:79,t:'Shantou'},
{i:80,t:'Shanwei'},
{i:82,t:'Shaoguang'},
{i:81,t:'Shenzhen'},
{i:83,t:'Yangjiang'},
{i:85,t:'Yunfu'},
{i:88,t:'Zhanjiang'},
{i:89,t:'Zhaoqing'},
{i:86,t:'Zhongshan'},
{i:87,t:'Zhuhai'}]},
{i:90,t:'Guangxi ',
c:[{i:94,t:'Baishe'},
{i:93,t:'Beihai'},
{i:92,t:'Fangchenggang'},
{i:105,t:'Guigang'},
{i:96,t:'Guilin'},
{i:95,t:'Guilin'},
{i:103,t:'Hechi'},
{i:98,t:'Liuzhou'},
{i:97,t:'Liuzhou'},
{i:91,t:'Nanning'},
{i:99,t:'Nanning'},
{i:100,t:'Qinzhou'},
{i:102,t:'Wuzhou'},
{i:101,t:'Wuzhou'},
{i:104,t:'Yulin'}]},
{i:106,t:'Guizhou ',
c:[{i:110,t:'Anshun'},
{i:108,t:'Bijie'},
{i:107,t:'Guiyang'},
{i:111,t:'Liubanshi'},
{i:112,t:'Qiandongnan'},
{i:113,t:'Qiannan'},
{i:114,t:'Qianxinan'},
{i:115,t:'Tongren'},
{i:109,t:'Zunyi'}]},
{i:161,t:'Hainan ',
c:[{i:162,t:'Haikou'},
{i:164,t:'Municipalities'},
{i:163,t:'Sanya'}]},
{i:116,t:'Hebei ',
c:[{i:120,t:'Baoding'},
{i:122,t:'Changzhou'},
{i:123,t:'Chengde'},
{i:118,t:'Handan city'},
{i:127,t:'Hengshui district'},
{i:124,t:'Lanfang'},
{i:125,t:'Qinhuangdao'},
{i:117,t:'Shijiazhuang'},
{i:126,t:'Tangshan'},
{i:119,t:'Xingtai'},
{i:121,t:'Zhangjiagang'}]},
{i:128,t:'Heilongjiang ',
c:[{i:130,t:'Daqing'},
{i:131,t:'Daxinganling'},
{i:129,t:'Haerbin'},
{i:140,t:'Hegang'},
{i:141,t:'Heihe'},
{i:133,t:'Jiamusi'},
{i:135,t:'Jijiha\'er'},
{i:132,t:'Jixi'},
{i:134,t:'Mudanjiang'},
{i:136,t:'Qitaihe'},
{i:137,t:'Shuangyashan'},
{i:139,t:'Songhuajiang'},
{i:138,t:'Suihua'},
{i:142,t:'Yichun'}]},
{i:143,t:'Henan ',
c:[{i:147,t:'Anyang'},
{i:159,t:'Hebi'},
{i:148,t:'Jiaozuo'},
{i:145,t:'Kaifeng'},
{i:151,t:'Luohe'},
{i:149,t:'Luoyang'},
{i:152,t:'Nanyang'},
{i:153,t:'Pingtingshan'},
{i:150,t:'Puyang'},
{i:158,t:'Sanmenxia'},
{i:157,t:'Shangqiu'},
{i:154,t:'Xinxiang'},
{i:155,t:'Xinyang'},
{i:156,t:'Xuchang'},
{i:144,t:'Zhengzhou'},
{i:160,t:'Zhoukou'},
{i:146,t:'Zhumadian'}]},
{i:165,t:'Hubei ',
c:[{i:169,t:'Enshi'},
{i:170,t:'Ezhou'},
{i:167,t:'Huanggang'},
{i:168,t:'Huangshi'},
{i:171,t:'Jinmen'},
{i:172,t:'Jinsha'},
{i:174,t:'Municipalities'},
{i:175,t:'Shiyan'},
{i:166,t:'Wuhan'},
{i:176,t:'Xiangfan'},
{i:177,t:'Xianning'},
{i:173,t:'Xiaogan'},
{i:178,t:'Yichang'}]},
{i:179,t:'Hunan ',
c:[{i:183,t:'Changde'},
{i:180,t:'Changsha'},
{i:182,t:'Chenzhou'},
{i:188,t:'Hengyang'},
{i:181,t:'Huaihua'},
{i:184,t:'Loudi'},
{i:185,t:'Shaoyang'},
{i:186,t:'Xiangtan'},
{i:187,t:'Xiangxi'},
{i:190,t:'Yiyang'},
{i:189,t:'Yongzhou'},
{i:191,t:'Yueyang'},
{i:193,t:'Zhangjiajie'},
{i:192,t:'Zhuzhou'}]},
{i:249,t:'Inner mongolia ',
c:[{i:251,t:'Alxa'},
{i:253,t:'Baotou'},
{i:252,t:'Baynnur'},
{i:254,t:'Chifeng'},
{i:250,t:'Hohhot'},
{i:259,t:'Hulun buir'},
{i:256,t:'Ulaan chab'},
{i:257,t:'Wuhai'},
{i:258,t:'Xilinguole'},
{i:255,t:'Xing\'an'},
{i:260,t:'Yikeshao'},
{i:261,t:'Zhelimu'}]},
{i:194,t:'Jiangsu ',
c:[{i:197,t:'Changzhou'},
{i:196,t:'Huaiyin'},
{i:198,t:'Lianyungang'},
{i:195,t:'Nanjing'},
{i:199,t:'Nantong'},
{i:207,t:'Suqian'},
{i:201,t:'Suzhou'},
{i:206,t:'Taizhou'},
{i:202,t:'Wuxi'},
{i:200,t:'Xuzhou'},
{i:203,t:'Yancheng'},
{i:204,t:'Yangzhou'},
{i:205,t:'Zhenjiang'}]},
{i:208,t:'Jiangxi ',
c:[{i:210,t:'Fuzhou'},
{i:211,t:'Ganzhou'},
{i:212,t:'Ji\'an'},
{i:213,t:'Jingdezhen'},
{i:214,t:'Jiujiang'},
{i:209,t:'Nanchang'},
{i:215,t:'Pingxiang'},
{i:217,t:'Shangrao'},
{i:216,t:'Xinyu'},
{i:219,t:'Yichun'},
{i:218,t:'Yingtan'}]},
{i:220,t:'Jinlin ',
c:[{i:222,t:'Baicheng'},
{i:223,t:'Baishan'},
{i:221,t:'Changchun'},
{i:224,t:'Jilin'},
{i:225,t:'Liaoyuan'},
{i:226,t:'Siping'},
{i:227,t:'Songyuan'},
{i:228,t:'Tonghua'},
{i:229,t:'Yanbian'}]},
{i:234,t:'Liaoning ',
c:[{i:240,t:'Anshan'},
{i:239,t:'Benxi'},
{i:243,t:'Chaoyang'},
{i:236,t:'Dalian'},
{i:241,t:'Dandong'},
{i:238,t:'Fushun'},
{i:237,t:'Fuxin'},
{i:248,t:'Jinxi'},
{i:242,t:'Jinzhou'},
{i:244,t:'Liaoyang'},
{i:245,t:'Panjin'},
{i:235,t:'Shenyang'},
{i:246,t:'Tieling'},
{i:247,t:'Yingkou'}]},
{i:230,t:'Macao ',
c:[{i:233,t:'Coloane'},
{i:231,t:'Macao Peninsula'},
{i:232,t:'Taipa'}]},
{i:262,t:'Ningxia ',
c:[{i:264,t:'Guyuan'},
{i:265,t:'Shizuishan'},
{i:263,t:'Yinchuan'},
{i:266,t:'Yinnan'}]},
{i:267,t:'Qinghai ',
c:[{i:273,t:'Golog'},
{i:271,t:'Haibei'},
{i:269,t:'Haidong'},
{i:270,t:'Hainan'},
{i:275,t:'Haixi'},
{i:272,t:'Huangnan'},
{i:268,t:'Xi\'ning'},
{i:274,t:'Yushu'}]},
{i:276,t:'Shangdong ',
c:[{i:279,t:'Binzhou'},
{i:281,t:'Dezhou'},
{i:278,t:'Dongying'},
{i:292,t:'Heze'},
{i:282,t:'Jining'},
{i:285,t:'Laiwu'},
{i:283,t:'Liaocheng'},
{i:284,t:'Linyi'},
{i:277,t:'Qinan'},
{i:286,t:'Qingdao'},
{i:287,t:'Rizhao'},
{i:289,t:'Tai\'an'},
{i:290,t:'Weifang'},
{i:288,t:'Weihai'},
{i:291,t:'Yantai'},
{i:293,t:'Zaozhuang'},
{i:280,t:'Zibo'}]},
{i:294,t:'Shanghai ',
c:[{i:304,t:'Baoshan'},
{i:298,t:'Changning'},
{i:313,t:'Chongming'},
{i:312,t:'Fengxian'},
{i:302,t:'Hongkou'},
{i:295,t:'Huangpu'},
{i:306,t:'Jiading'},
{i:299,t:'Jing\'an'},
{i:309,t:'Jinshan'},
{i:296,t:'Luwan'},
{i:305,t:'Minhang'},
{i:311,t:'Nanhui'},
{i:307,t:'Pudong'},
{i:300,t:'Putuo'},
{i:310,t:'Qingpu'},
{i:308,t:'Songjiang'},
{i:297,t:'Xuhui'},
{i:303,t:'Yangpu'},
{i:301,t:'Zhabei'}]},
{i:327,t:'Shanxi ',
c:[{i:330,t:'Ankang'},
{i:329,t:'Baoji'},
{i:336,t:'Hanzhong'},
{i:331,t:'Shangluo'},
{i:332,t:'Tongchuan'},
{i:333,t:'Weinan'},
{i:328,t:'Xi\'an'},
{i:334,t:'Xianyang'},
{i:335,t:'Yan\'an'},
{i:337,t:'Yulin'}]},
{i:314,t:'Shanxi ',
c:[{i:326,t:'Changzhi'},
{i:316,t:'Datong'},
{i:317,t:'Jincheng'},
{i:318,t:'Jizhong'},
{i:320,t:'Linfen'},
{i:321,t:'Lvliang'},
{i:323,t:'Shuozhou'},
{i:315,t:'Taiyuan'},
{i:322,t:'Xinzhou'},
{i:324,t:'Yangquan'},
{i:325,t:'Yuncheng'},
{i:319,t:'Zhaoqing'}]},
{i:338,t:'Sichuan ',
c:[{i:343,t:'Aba'},
{i:344,t:'Bazhong'},
{i:339,t:'Chengdu'},
{i:340,t:'Dachuan'},
{i:345,t:'Deyang'},
{i:341,t:'Ganzi'},
{i:346,t:'Guang\'an'},
{i:347,t:'Guangyuan'},
{i:349,t:'Leshan'},
{i:348,t:'Liangshan'},
{i:353,t:'Luzhou'},
{i:354,t:'Mianyang'},
{i:351,t:'Nanchong'},
{i:352,t:'Neijiang'},
{i:350,t:'Panzhihuan'},
{i:355,t:'Suining'},
{i:356,t:'Ya\'an'},
{i:357,t:'Yibing'},
{i:342,t:'Zigong'}]},
{i:358,t:'Taiwan ',
c:[{i:372,t:'Changhua'},
{i:365,t:'Chiayi'},
{i:364,t:'Hsinchu'},
{i:369,t:'Hsinchu'},
{i:381,t:'Hualien'},
{i:375,t:'Jiayi'},
{i:377,t:'Kaohsiung'},
{i:360,t:'Kaohsiung'},
{i:361,t:'Keelun'},
{i:370,t:'Miaoli'},
{i:373,t:'Nantou'},
{i:379,t:'Penghu'},
{i:378,t:'Pingtung'},
{i:366,t:'Taibei'},
{i:359,t:'Taibei'},
{i:362,t:'Taichung'},
{i:363,t:'Tainan'},
{i:376,t:'Tainan'},
{i:380,t:'Taitung'},
{i:371,t:'Taizhong'},
{i:368,t:'Taoyuan'},
{i:367,t:'Yinan'},
{i:374,t:'Yunlin'}]},
{i:382,t:'Tianjin ',
c:[{i:397,t:'Baodi'},
{i:395,t:'Beichen'},
{i:391,t:'Dagang'},
{i:392,t:'Dongli'},
{i:390,t:'Hangu'},
{i:387,t:'Hebei'},
{i:384,t:'Hedong'},
{i:383,t:'Heping'},
{i:385,t:'Hexi'},
{i:388,t:'Hongqiao'},
{i:400,t:'Jinghai'},
{i:394,t:'Jinnan'},
{i:398,t:'Jixian'},
{i:386,t:'Nankai'},
{i:399,t:'Ninghe'},
{i:389,t:'Tanggu'},
{i:396,t:'Wuqing'},
{i:393,t:'Xiqing'}]},
{i:437,t:'Tibet ',
c:[{i:440,t:'Chamdo'},
{i:438,t:'Lhasa'},
{i:442,t:'Nagqu'},
{i:439,t:'Ngari'},
{i:441,t:'Nyingzhi'},
{i:443,t:'Shannan'},
{i:444,t:'Xigaze'}]},
{i:401,t:'Xianggang ',
c:[{i:413,t:'Bei'},
{i:417,t:'Dapu'},
{i:403,t:'Dong'},
{i:416,t:'Dunmen'},
{i:405,t:'Guantang'},
{i:408,t:'Huangdaxian'},
{i:404,t:'Jiulong'},
{i:412,t:'Kuiqing'},
{i:411,t:'Lidao'},
{i:406,t:'Nan'},
{i:418,t:'Quanwan'},
{i:415,t:'Shatian'},
{i:407,t:'Shenshuibu'},
{i:409,t:'Wangzai'},
{i:414,t:'Xigong'},
{i:410,t:'Youjiawang'},
{i:419,t:'Yuanlang'},
{i:402,t:'Zhongxi'}]},
{i:420,t:'Xinjiang ',
c:[{i:425,t:'Aksu'},
{i:426,t:'Altay'},
{i:427,t:'Bayingolin'},
{i:429,t:'Bortala'},
{i:430,t:'Changji'},
{i:428,t:'Hami'},
{i:433,t:'Hetian'},
{i:435,t:'Ili Kazak'},
{i:424,t:'Karamay'},
{i:422,t:'Kashgar'},
{i:423,t:'Kizilsu kirgiz'},
{i:434,t:'Lli'},
{i:436,t:'Shihezi'},
{i:431,t:'Tacheng'},
{i:432,t:'Turpan'},
{i:421,t:'Urumqi'}]},
{i:445,t:'Yunnan ',
c:[{i:449,t:'Baoshan'},
{i:447,t:'Dali'},
{i:450,t:'Dehong'},
{i:451,t:'Diqing'},
{i:448,t:'Dongchuan'},
{i:460,t:'Honghe'},
{i:446,t:'Kunming'},
{i:454,t:'Lijiang'},
{i:453,t:'Linchang'},
{i:455,t:'Nujiang'},
{i:456,t:'Qujing'},
{i:457,t:'Simao'},
{i:459,t:'Wenshan'},
{i:458,t:'Xishuangbanna'},
{i:461,t:'Yuxi'},
{i:462,t:'Zhaotong'},
{i:452,t:'Zhuxiong'}]},
{i:463,t:'Zhejiang ',
c:[{i:464,t:'Hangzhou'},
{i:473,t:'Huzhou'},
{i:465,t:'Jiaxing'},
{i:466,t:'Jinhua'},
{i:468,t:'Lishui'},
{i:469,t:'Ningbo'},
{i:467,t:'Quzhou'},
{i:470,t:'Shaoxing'},
{i:471,t:'Taizhou'},
{i:472,t:'Wenzhou'},
{i:474,t:'Zhoushan'}]}]},

{i:475,t:'Argentina'},
{i:476,t:'Armenia'},
{i:477,t:'Australia'},
{i:478,t:'Austria'},
{i:479,t:'Bahamas'},
{i:480,t:'Bahrain'},
{i:481,t:'Bangladesh'},
{i:482,t:'Belgium'},
{i:483,t:'Benin'},
{i:484,t:'Bermuda'},
{i:485,t:'Bolivia'},
{i:486,t:'Bosnia and Herzegovina'},
{i:487,t:'Botswana'},
{i:488,t:'Brazil'},
{i:489,t:'Bulgaria'},
{i:490,t:'Canada'},
{i:491,t:'Chile'},
{i:492,t:'Colombia'},
{i:493,t:'Costa Rica'},
{i:494,t:'Croatia'},
{i:495,t:'Cyprus'},
{i:496,t:'Czech Republic'},
{i:497,t:'Denmark'},
{i:498,t:'Dominican Republic'},
{i:499,t:'Ecuador'},
{i:500,t:'Egypt'},
{i:501,t:'El Salvador'},
{i:502,t:'Estonia'},
{i:503,t:'Ethiopia'},
{i:504,t:'Faroe Islands'},
{i:505,t:'Finland'},
{i:506,t:'France'},
{i:507,t:'Georgia'},
{i:508,t:'Germany'},
{i:509,t:'Ghana'},
{i:510,t:'Gibraltar'},
{i:511,t:'Greece'},
{i:512,t:'Greenland'},
{i:513,t:'Guatemala'},
{i:514,t:'Hungary'},
{i:515,t:'Iceland'},
{i:516,t:'India'},
{i:517,t:'Indonesia'},
{i:518,t:'Iran'},
{i:519,t:'Ireland'},
{i:520,t:'Israel'},
{i:521,t:'Italy'},
{i:522,t:'Japan'},
{i:523,t:'Jordan'},
{i:524,t:'Kazakhstan'},
{i:525,t:'Kenya'},
{i:526,t:'Korea'},
{i:527,t:'Kuwait'},
{i:528,t:'Latvia'},
{i:529,t:'Lebanon'},
{i:530,t:'Liechtenstein'},
{i:531,t:'Lithuania'},
{i:532,t:'Luxembourg'},
{i:533,t:'Macedonia'},
{i:534,t:'Malaysia'},
{i:535,t:'Malta'},
{i:536,t:'Mauritius'},
{i:537,t:'Mexico'},
{i:538,t:'Moldova'},
{i:539,t:'Morocco'},
{i:540,t:'Netherlands'},
{i:541,t:'New Zealand'},
{i:542,t:'Nicaragua'},
{i:543,t:'Nigeria'},
{i:544,t:'Norway'},
{i:578,t:'Other'},
{i:545,t:'Pakistan'},
{i:546,t:'Panama'},
{i:547,t:'Peru'},
{i:548,t:'Philippines'},
{i:549,t:'Poland'},
{i:550,t:'Portugal'},
{i:551,t:'Qatar'},
{i:552,t:'Romania'},
{i:553,t:'Russian Federation'},
{i:554,t:'Saudi Arabia'},
{i:555,t:'Serbia and Montenegro'},
{i:556,t:'Singapore'},
{i:557,t:'Slovak Republic'},
{i:558,t:'Slovenia'},
{i:559,t:'South Africa'},
{i:560,t:'Spain'},
{i:561,t:'Sri Lanka'},
{i:562,t:'Sweden'},
{i:563,t:'Switzerland'},
{i:564,t:'Tanzania'},
{i:565,t:'Thailand'},
{i:566,t:'Togo'},
{i:567,t:'Tunisia'},
{i:568,t:'Turkey'},
{i:569,t:'Uganda'},
{i:570,t:'Ukraine'},
{i:572,t:'United Arab Emirates'},
{i:573,t:'United Kingdom'},
{i:574,t:'United States'},
{i:571,t:'Uruguay'},
{i:575,t:'Venezuela'},
{i:576,t:'Viet Nam'},
{i:577,t:'Yugoslavia'}]};

/**
 * obj1 is {i:'cat1',defVal:12,topOption:{id,title}}
 */
function initCountry(obj1, obj2, obj3){
	var cat1 = $('#' + obj1.id).get(0);
	var cat2 = $('#' + obj2.id).get(0);
	var cat3 = $('#' + obj3.id).get(0);
	var children = countryRootNode.c;
	cat1.innerHTML = '';
	var opts = cat1.options;
	var nullTopOpt = {i:null, t:null, id:null, title:null};
	var to1 = obj1.topOption ? obj1.topOption : nullTopOpt;
	var to2 = obj2.topOption ? obj2.topOption : nullTopOpt;
	var to3 = obj3.topOption ? obj3.topOption : nullTopOpt;
	if(obj1.topOption){
		opts[0] = new Option(to1.t, to1.i);
		opts[0].selected = true;
	}
	for(var i = 0; i < children.length; i++){
		if( children[i].i == to1.i){
			continue;
		}
		opts[opts.length] = new Option(children[i].t, children[i].i);
	}
	if(obj1.defVal){
		cat1.value = (obj1.defVal);
	}
	chgCountry(obj1.id, obj2.id, to2.i, to2.t);
	if(obj2.defVal){
		cat2.value = (obj2.defVal);
	}
	chgCountry(obj2.id, obj3.id, to3.i, to3.t);
	if(obj3.defVal){
		cat3.value = (obj3.defVal);
	}
	$('#' + obj1.id).change(
		function (){
			chgCountry(obj1.id, obj2.id, to2.i, to2.t);
			chgCountry(obj2.id, obj3.id, to3.i, to3.t);
		}
	);
	$('#' + obj2.id).change(
		function(){
			chgCountry(obj2.id, obj3.id, to3.i, to3.t);
		}
	);
}

function chgCountry(srcId, destId, topId, topTitle){
	var src = $('#' + srcId).get(0);
	var dest = $('#' + destId).get(0);
	dest.innerHTML = '';
	if(src.style.display == 'none'){
		dest.style.display = 'none';
		return;
	}
	if(src.selectedIndex < 0){
		if(src.options.length == 0){
			return;
		}
		src.options[0].selected = true;
	}
	dest.style.display = '';
	var opts = dest.options;
	//if(topId || topTitle){
	//	opts[0] = new Option(topTitle, topId);
	//	opts[0].seleted = true;
	//}
	if(src.value == topId){
		return;
	}
	var node = findCountryNode(src.value);
	var cc = node.c;
	if(cc && cc.length > 0){
		dest.style.display = '';
		for(var i = 0; i < cc.length; i++){
			var opt = new Option(cc[i].t, cc[i].i);
			if(cc[i].i == topId){
				opt.selected=true;
			}
			opts[opts.length] = opt;
		}
	}else{
		dest.style.display = 'none';
	}
}

function findCountryNode(id){
	var children = countryRootNode.c;
	for(var i = 0; i < children.length; i++){
		if(children[i].i == id){
			return children[i];
		}else{
			var cc = children[i].c;
			if(cc){
				for(var j = 0; j < cc.length; j++){
					if(cc[j].i == id){
						return cc[j];
					}
				}
			}
		}
	}
	return null;
}
function findParentNode(id){
	var children = countryRootNode.c;
	for(var i = 0; i < children.length; i++){
		if(children[i].i == id){
			return children[i];
		}else{
			var cc = children[i].c;
			if(cc){
				for(var j = 0; j < cc.length; j++){
					if(cc[j].i == id){
						return children[i];
					}else{
						var ccc = cc[j].c;
						if(ccc){
							for(var k = 0; k< ccc.length; k++){
								if(ccc[k].i == id){
									return cc[j];
								}
							}
						}
					}
				}
			}
		}
	}
	return null;
}