function ChangeProvince(obj)
{
    var selProvince=$("selProvince");
    var selCity=$("selCity");
    selCity.options.length=0;
    selCity.options.add(new Option("請選擇",""));
    var id="4";
    if(obj!=null)
        id=obj.value;
    var province=getProvinceCodesName(id);
    selProvince.options.length=0;       
    selProvince.options.add(new Option("請選擇",""));
    if($("selCitySpan")!=null)
    {
        $("selCitySpan").className="";
        $("selCitySpan").innerHTML="";
    }
    if(province!=null)
    {
    for(var i=0;i<province.length;i++){
          var infos=province[i].split('_');
        selProvince.options.add(new Option(infos[1],infos[0]));}
        }
}

function getProvinceCodesName(idx)
{

switch(idx)
{
case"":
return null;
case"1":
return new Array('393_北京','402_上海','412_天津','423_重慶','2914_內蒙古','2916_河北','2917_遼寧','2918_黑龍江','2919_江蘇','2920_安徽','2921_山東','2922_浙江','2923_江西','2924_福建','2925_湖南','2926_湖北','2927_河南','2928_廣東','2929_海南','2930_廣西','2931_貴州','2932_四川','2933_雲南','2934_陝西','2935_甘肅','2936_寧夏','2937_山西','2938_西藏','2939_新疆','2940_青海','2941_吉林','2944_香港','2830_澳門')
case"2":
return null
case"3":
return null
case"4":
return new Array('1_台北市','14_基隆市','22_台北縣','52_宜蘭縣','65_新竹市','66_新竹縣','80_桃園縣','94_苗栗縣','113_台中市','2942_台中縣','144_彰化縣','171_南投縣','185_嘉義市','186_嘉義縣','205_雲林縣','226_台南市','233_台南縣','265_高雄市','277_高雄縣','305_澎湖縣','312_屏東縣','346_台東縣','363_花蓮縣','384_連江縣','389_南海諸島')
case"5":
return null
}
}
function ChangeCity(url,obj)
{
 if($("selCitySpan")!=null)
    {
        $("selCitySpan").className="";
        $("selCitySpan").innerHTML="";
    }
    var xmlHttp;
    try
    {
        xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
    }
    catch(e)
    {
        xmlHttp = new XMLHttpRequest();
    }
    xmlHttp.open("get",url,true);
    xmlHttp.onreadystatechange = function()
        {
            if(xmlHttp.readyState == 4 && xmlHttp.status == 200)
            {
                var myResponse;
                myResponse= xmlHttp.responseText;
                obj.options.length=0;
                obj.options.add(new Option("請選擇",""));
                if(myResponse.length>0)
                {
                    var infos=myResponse.split(',');
                    for(var i=0;i<infos.length;i++)
                    {
                        var citys=infos[i].split('_');
                        obj.options.add(new Option(citys[1],citys[0]));
                    }
                }
            }
        }
    xmlHttp.send(null);
  }