/**
 * 显示省份对应的所有城市
 */
function showcity(province, cityField) {
	switch (province) {
    case "安徽" :
        var cityOptions = new Array(
        "合肥","安庆","蚌埠","亳州","巢湖","滁州","阜阳","贵池","淮北","淮化","淮南",
        "黄山","九华山","六安","马鞍山","宿州","铜陵","屯溪","芜湖","宣城");
         break;
    case "北京" :
        var cityOptions = new Array(
        "北京");
        break;
    case "重庆" :
        var cityOptions = new Array(
        "重庆");
        break;
    case "福建" :
        var cityOptions = new Array(
        "福州","福安","龙岩","南平","宁德","莆田","泉州","三明","邵武","石狮","永安",
        "武夷山","厦门","漳州");
         break;
    case "甘肃" :
        var cityOptions = new Array(
        "兰州","白银","定西","敦煌","甘南","金昌","酒泉","临夏","平凉","天水",
        "武都","武威","西峰","张掖");
        break;
    case "广东" :
        var cityOptions = new Array(
        "广州","潮阳","潮州","澄海","东莞","佛山","河源","惠州","江门","揭阳","开平","茂名",
        "梅州","清远","汕头","汕尾","韶关","深圳","顺德","阳江","英德","云浮","增城","湛江",
        "肇庆","中山","珠海");
        break;
    case "广西" :
        var cityOptions = new Array(
        "南宁","百色","北海","桂林","防城港","河池","贺州","柳州","钦州","梧州","玉林");
        break;
    case "贵州" :
        var cityOptions = new Array(
        "贵阳","安顺","毕节","都匀","凯里","六盘水","铜仁","兴义","玉屏","遵义");
        break;
    case "海南" :
        var cityOptions = new Array(
        "海口","儋县","陵水","琼海","三亚","通什","万宁");
        break;
    case "河北" :
        var cityOptions = new Array(
        "石家庄","保定","北戴河","沧州","承德","丰润","邯郸","衡水","廊坊","南戴河","秦皇岛",
        "唐山","新城","邢台","张家口");
        break;
    case "黑龙江" :
        var cityOptions = new Array(
        "哈尔滨","北安","大庆","大兴安岭","鹤岗","黑河","佳木斯","鸡西","牡丹江","齐齐哈尔",
        "七台河","双鸭山","绥化","伊春");
        break;
    case "河南" :
        var cityOptions = new Array(
        "郑州","安阳","鹤壁","潢川","焦作","济源","开封","漯河","洛阳","南阳","平顶山",
        "濮阳","三门峡","商丘","新乡","信阳","许昌","周口","驻马店");
        break;
    case "香港" :
        var cityOptions = new Array(
        "香港","九龙","新界");
        break;
    case "湖北" :
        var cityOptions = new Array(
        "武汉","恩施","鄂州","黄冈","黄石","荆门","荆州","潜江","十堰","随州","武穴",
        "仙桃","咸宁","襄阳","襄樊","孝感","宜昌");
        break;
    case "湖南" :
        var cityOptions = new Array(
        "长沙","常德","郴州","衡阳","怀化","吉首","娄底","邵阳","湘潭","益阳","岳阳",
        "永州","张家界","株洲");
        break;
    case "江苏" :
        var cityOptions = new Array(
        "南京","常熟","常州","海门","淮安","江都","江阴","昆山","连云港","南通",
        "启东","沭阳","宿迁","苏州","太仓","泰州","同里","无锡","徐州","盐城",
        "扬州","宜兴","仪征","张家港","镇江","周庄");
        break;
    case "江西" :
        var cityOptions = new Array(
        "南昌","抚州","赣州","吉安","景德镇","井冈山","九江","庐山","萍乡",
        "上饶","新余","宜春","鹰潭");
        break;
    case "吉林" :
        var cityOptions = new Array(
        "长春","白城","白山","珲春","辽源","梅河","吉林","四平","松原","通化","延吉");
        break;
    case "辽宁" :
        var cityOptions = new Array(
        "沈阳","鞍山","本溪","朝阳","大连","丹东","抚顺","阜新","葫芦岛","锦州",
        "辽阳","盘锦","铁岭","营口");
        break;
    case "澳门" :
        var cityOptions = new Array("澳门");
        break;
    case "内蒙古" :
        var cityOptions = new Array(
        "呼和浩特","阿拉善盟","包头","赤峰","东胜","海拉尔","集宁","临河","通辽","乌海",
        "乌兰浩特","锡林浩特");
        break;
    case "宁夏" :
        var cityOptions = new Array(
        "银川","固源","石嘴山","吴忠");
        break;
    case "青海" :
        var cityOptions = new Array(
        "西宁","德令哈","格尔木","共和","海东","海晏","玛沁","同仁","玉树");
        break;
    case "山东" :
        var cityOptions = new Array(
        "济南","滨州","兖州","德州","东营","菏泽","济宁","莱芜","聊城","临沂",
        "蓬莱","青岛","曲阜","日照","泰安","潍坊","威海","烟台","枣庄","淄博");
        break;
    case "上海" :
        var cityOptions = new Array(
        "上海");
        break;
    case "山西" :
        var cityOptions = new Array(
        "太原","长治","大同","候马","晋城","离石","临汾","宁武","朔州","忻州",
        "阳泉","榆次","运城");
        break;
    case "陕西" :
        var cityOptions = new Array(
        "西安","安康","宝鸡","汉中","渭南","商州","绥德","铜川","咸阳","延安","榆林");
        break;
    case "四川" :
        var cityOptions = new Array(
        "成都","巴中","达川","德阳","都江堰","峨眉山","涪陵","广安","广元","九寨沟",
        "康定","乐山","泸州","马尔康","绵阳","眉山","南充","内江","攀枝花","遂宁",
        "汶川","西昌","雅安","宜宾","自贡","资阳");
        break;
    case "台湾" :
        var cityOptions = new Array(
        "台北","基隆","台南","台中","高雄","屏东","南投","云林","新竹","彰化","苗栗",
        "嘉义","花莲","桃园","宜兰","台东","金门","马祖","澎湖");
        break;
    case "天津" :
        var cityOptions = new Array(
        "天津");
        break;
    case "新疆" :
        var cityOptions = new Array(
        "乌鲁木齐","阿克苏","阿勒泰","阿图什","博乐","昌吉","东山","哈密","和田","喀什",
        "克拉玛依","库车","库尔勒","奎屯","石河子","塔城","吐鲁番","伊宁");
        break;
    case "西藏" :
        var cityOptions = new Array(
        "拉萨","阿里","昌都","林芝","那曲","日喀则","山南");
        break;
    case "云南" :
        var cityOptions = new Array(
        "昆明","大理","保山","楚雄","大理","东川","个旧","景洪","开远","临沧","丽江",
        "六库","潞西","曲靖","思茅","文山","西双版纳","玉溪","中甸","昭通");
        break;
    case "浙江" :
        var cityOptions = new Array(
        "杭州","安吉","慈溪","定海","奉化","海盐","黄岩","湖州","嘉兴","金华","临安",
        "临海","丽水","宁波","瓯海","平湖","千岛湖","衢州","江山","瑞安","绍兴","嵊州",
        "台州","温岭","温州","余姚","舟山");
        break;
    case "海外" :
        var cityOptions = new Array(
        "欧洲","北美","南美","亚洲","非洲","大洋洲");
        break;
    default:
        var cityOptions = new Array("");
        break;
	}
	
	cityField.options.length = 0;    
	for(var i = 0; i < cityOptions.length; i++) {
	    cityField.options[i]=new Option(cityOptions[i],cityOptions[i]);
        
		/*
	    if (cityField.options[i].value==city) 
	    {
	    	//alert("here put City ok!");
	    	document.oblogform["city"].selectedIndex = i;
	    }*/
	}
}

/**
 * 设置初始化的省份和城市
 */
function init_province_and_city(pField, province, cField, city) {
    for(var i = 0; i < pField.options.length; i++) {
        if (pField.options[i].value==province)
        {
        	pField.selectedIndex = i;
        }
    }
    showcity(province, cField);
    for(var i = 0; i < cField.options.length; i++) {
        if (cField.options[i].value==city)
        {
        	cField.selectedIndex = i;
        }
    }
}