function setcity(provinceid, cityid) {
	var province = document.getElementById(provinceid).value;
    switch (province) {
        case "台灣" :
            var cityOptions = new Array(
            "台北(*)", "台北",
            "基隆", "基隆",
            "台南", "台南",
            "台中", "台中",
            "高雄", "高雄",
            "屏東", "屏東",
            "南投", "南投",
            "雲林", "雲林",
            "新竹", "新竹",
            "彰化", "彰化",
            "苗栗", "苗栗",
            "嘉義", "嘉義",
            "花蓮", "花蓮",
            "桃園", "桃園",
            "宜蘭", "宜蘭",
            "台東", "台東",
            "金門", "金門",
            "馬祖", "馬祖",
            "澎湖", "澎湖");
            break;
        case "海外" :
            var cityOptions = new Array(
            "歐洲", "歐洲",
            "北美", "北美",
            "南美", "南美",
            "亞洲", "亞洲",
            "非洲", "非洲",
            "大洋洲", "大洋洲");
            break;
        default:
            var cityOptions = new Array("選擇城市", "");
            break;
    }
	
	var cityObject = document.getElementById(cityid);
	cityObject.options.length = 0;
	cityObject.options[0] = new Option("選擇城市", "");
	var j = 0;
	for(var i = 0; i < cityOptions.length/2; i++) {
		j = i + 1;
	    cityObject.options[j] = new Option(cityOptions[i*2],cityOptions[i*2+1]);
	}
}

function initprovcity(provinceid, province) {
	var provObject = document.getElementById(provinceid);
    for(var i = 0; i < provObject.options.length; i++) {
        if (provObject.options[i].value == province) {
        	provObject.selectedIndex = i;
			break;
        }
    }
    //setcity(provinceid, cityid);
}

function showprovince(provinceid, cityid, province) {
	var provinces = new Array(
		"北京", "上海", "重慶", "安徽", "福建", "甘肅", "廣東", "廣西", "貴州", "海南", "河北", "黑龍江", "河南",
		"香港", "湖北", "湖南", "江蘇", "江西", "吉林", "遼寧", "澳門", "內蒙古", "寧夏", "青海", "山東",
		"山西", "陝西", "四川", "台灣", "天津", "新疆", "西藏", "雲南", "浙江", "海外"
	);

	var html = "<select name=\"" + provinceid + "\" id=\"" + provinceid + "\" onchange=\"setcity('" + provinceid + "', '" + cityid + "');\">";
	html = html + "<option value=\"\">選擇省份</option>";
	for(var i = 0; i < provinces.length; i++) {
		html = html + "<option value=\"" + provinces[i] + "\">" + provinces[i] + "</option>";
	}
	html = html + "</select>";
	document.write(html);

	initprovcity(provinceid, province);

}

function showcity(cityid, city) {


	var html = "&nbsp;<select name=\"" + cityid + "\" id=\"" + cityid + "\">";
	if(city == "") {
		html = html + "<option value=\"\">選擇城市</option>";
	} else {
		html = html + "<option value=\"" + city + "\">" + city + "</option>";
	}
	html = html + "</select>";
	document.write(html);
}