var arr_city	= new Array("", "臺北市", "基隆市", "臺北縣", "宜蘭縣", "新竹市", "新竹縣", "桃園縣", "苗栗縣", "臺中市", "臺中縣", "彰化縣", "南投縣", "嘉義市", "嘉義縣", "雲林縣", "臺南市", "臺南縣", "高雄市", "高雄縣", "澎湖縣", "屏東縣", "臺東縣", "花蓮縣");

var arr_area = new Array(24);

arr_area[0] = new Array("");
// for "臺北市"1
arr_area[1] = new Array("","中正區","大同區","中山區","松山區","大安區","萬華區","信義區","士林區","北投區","內湖區","南港區","文山區");
// for "基隆市"2
arr_area[2] = new Array("","仁愛區","信義區","中正區","中山區","安樂區","暖暖區","七堵區");
// for "臺北縣"3
arr_area[3] = new Array("","萬里鄉","金山鄉","板橋市","汐止鎮","深坑鄉","石碇鄉","瑞芳鎮","平溪鄉","雙溪鄉","貢寮鄉","新店市","坪林鄉","烏來鄉","永和市","中和市","土城市","三峽鎮","樹林市","鶯歌鎮","三重市","新莊市","泰山鄉","林口鄉","蘆洲市","五股鄉","八里鄉","淡水鎮","三芝鄉","石門鄉");
// for "宜蘭縣"4
arr_area[4] = new Array("","宜蘭市","頭城鎮","礁溪鄉","壯圍鄉","員山鄉","羅東鎮","三星鄉","大同鄉","五結鄉","冬山鄉","蘇澳鎮","南澳鄉");
// for "新竹市"5
arr_area[5] = new Array("","東區","北區","香山區");
// for "新竹縣"6
arr_area[6] = new Array("","竹北市","湖口鄉","新豐鄉","新埔鄉","關西鎮","芎林鄉","寶山鄉","竹東鎮","五峰鄉","橫山鄉","尖石鄉","北埔鄉","峨嵋鄉");
// for "桃園縣"7
arr_area[7] = new Array("","中壢市","平鎮市","龍潭鄉","楊梅鎮","新屋鄉","觀音鄉","桃園市","龜山鄉","八德市","大溪鎮","復興鄉","大園鄉","蘆竹鄉");
// for "苗栗縣"8
arr_area[8] = new Array("","竹南鎮","頭份鎮","三灣鄉","南庄鄉","獅潭鄉","後龍鎮","通霄鎮","苑裡鎮","苗栗市","造橋鄉","頭屋鄉","公館鄉","大湖鄉","泰安鄉","鉰鑼鄉","三義鄉","西湖鄉","卓蘭鄉");
// for "臺中市"9
arr_area[9] = new Array("","中區","東區","南區","西區","北區","北屯區","西屯區","南屯區");
// for "臺中縣"10
arr_area[10] = new Array("","太平市","大里市","霧峰鄉","烏日鄉","豐原市","后里鄉","石岡鄉","東勢鎮","和平鄉","新社鄉","潭子鄉","大雅鄉","神岡鄉","大肚鄉","沙鹿鎮","龍井鄉","梧棲鎮","清水鎮","大甲鎮","外埔鄉","大安鄉");
// for "彰化縣"11
arr_area[11] = new Array("","彰化市","芬園鄉","花壇鄉","秀水鄉","鹿港鎮","福興鄉","線西鄉","和美鎮","伸港鄉","員林鎮","社頭鄉","永靖鄉","埔心鄉","溪湖鎮","大村鄉","埔鹽鄉","田中鎮","北斗鎮","田尾鄉","埤頭鄉","溪州鄉","竹塘鄉","二林鎮","大城鄉","芳苑鄉","二水鄉");
// for "南投縣"12
arr_area[12] = new Array("","南投市","中寮鄉","草屯鎮","國姓鄉","埔里鎮","仁愛鄉","名間鄉","集集鄉","水里鄉","魚池鄉","信義鄉","竹山鎮","鹿谷鄉");
// for "嘉義市"13
arr_area[13] = new Array("","東區","西區");
// for "嘉義縣"14
arr_area[14] = new Array("","番路鄉","梅山鄉","竹崎鄉","阿里山鄉","中埔鄉","大埔鄉","水上鄉","鹿草鄉","太保市","朴子市","東石鄉","六腳鄉","新港鄉","民雄鄉","大林鎮","漢口鄉","義竹鄉","布袋鎮");
// for "雲林縣"15
arr_area[15] = new Array("","斗南市","大埤鄉","虎尾鎮","土庫鎮","褒忠鄉","東勢鄉","臺西鄉","崙背鄉","麥寮鄉","斗六市","林內鄉","古坑鄉","莿桐鄉","西螺鎮","二崙鄉","北港鎮","水林鄉","口湖鄉","四湖鄉","元長鄉");
// for "臺南市"16
arr_area[16] = new Array("","中西區","東區","南區","北區","安平區","安南區");
// for "臺南縣"17
arr_area[17] = new Array("","永康市","歸仁鄉","新化鎮","左鎮鄉","玉井鄉","楠西鄉","南化鄉","仁德鄉","關廟鄉","龍崎鄉","官田鄉","麻豆鎮","佳里鎮","西港鄉","七股鄉","將軍鄉","學甲鎮","北門鄉","新營市","後壁鄉","白河鎮","東山鄉","六甲鄉","下營鄉","柳營鄉","鹽水鎮","善化鎮","大內鄉","山上鄉","新市鄉","安定鄉");
// for "高雄市"18
arr_area[18] = new Array("","新興區","前金區","苓雅區","鹽埕區","鼓山區","旗津區","前鎮區","三民區","楠梓區","小港區","左營區");
// for "高雄縣"19
arr_area[19] = new Array("","仁武鄉","大社鄉","岡山鎮","路竹鄉","阿蓮鄉","田寮鄉","燕巢鄉","橋頭鄉","梓官鄉","彌陀鄉","永安鄉","湖內鄉","鳳山市","大寮鄉","林園鄉","鳥松鄉","大樹鄉","旗山鎮","美濃鎮","六龜鄉","內門鄉","杉林鄉","甲仙鄉","桃源鄉","三民鄉","茂林鄉","茄萣鄉");
// for "澎湖縣"20
arr_area[20] = new Array("","馬公市","西嶼鄉","望安鄉","七美鄉","白沙鄉","湖西鄉");
// for "屏東縣"21
arr_area[21] = new Array("","屏東市","三地門鄉","霧臺鄉","瑪家鄉","九如鄉","里港鄉","高樹鄉","鹽埔鄉","長治鄉","麟洛鄉","竹田鄉","內埔鄉","萬丹鄉","潮州鎮","泰武鄉","來義鄉","萬巒鄉","嵌頂鄉","新埤鄉","南州鄉","林邊鄉","東港鎮","琉球鄉","佳冬鄉","新園鄉","枋寮鄉", "枋山鄉","春日鄉","獅子鄉","車城鄉","牡丹鄉","恆春鎮","滿州鄉");
// for "臺東縣"22
arr_area[22] = new Array("","臺東市","綠島鄉","蘭嶼鄉","延平鄉","卑南鄉","鹿野鄉","關山鎮","海端鄉","池上鄉","東河鄉","成功鎮","長濱鄉","太麻里鄉","金峰鄉","大武鄉","達仁鄉");
// for "花蓮縣"23
arr_area[23] = new Array("","花蓮市","新城鄉","秀林鄉","吉安鄉","壽豐鄉","鳳林鎮","光復鄉","豐濱鄉","瑞穗鄉","萬榮鄉","玉里鎮","卓溪鄉","富里鄉");

function show_city ( cityid, val_city, nochoose ){
	if ( val_city == undefined ) val_city = '';
	if ( nochoose == undefined ) nochoose = '請選擇縣市';
	var city = document.getElementById(cityid);
	
	city.length = arr_city.length;
	for ( i = 0; i < arr_city.length; i++ ){
		if ( arr_city[i] == '' )
			city.options[i] = new Option(nochoose, arr_city[i]);
		else
			city.options[i] = new Option(arr_city[i], arr_city[i]);
		if ( arr_city[i] == val_city )
			city.options[i].selected = true;
	}
}

function show_area( cityid, areaid, val_area, nochoose ){
	if ( val_area == undefined ) val_area = '';
	if ( nochoose == undefined ) nochoose = '請選擇鄉鎮';
	var city = document.getElementById(cityid);
	var area = document.getElementById(areaid);
	
	var val_city = city.value;
	for ( i = 0; i < arr_city.length; i++ ){
		if ( val_city == arr_city[i] )
			var val_cityid = i;
	}
	for ( j = area.options.length; j >= 1; j-- )
		area.options[j] = null;
	for ( i = 0; i < arr_area[val_cityid].length; i++ ){
		if ( arr_area[val_cityid][i] == '' )
			area.options[i] = new Option(nochoose, arr_area[val_cityid][i]);
		else
			area.options[i] = new Option(arr_area[val_cityid][i], arr_area[val_cityid][i]);

		if ( arr_area[val_cityid][i] == val_area )
			area.options[i].selected = true;
	}
}