var province_list=["A 安徽","B 北京","C 重庆","F 福建","G 甘肃","G 广东","G 广西","G 贵州"
                  ,"H 海南","H 河北","H 河南","H 黑龙江","H 湖北","H 湖南","J 吉林","J 江苏"
                  ,"J 江西","L 辽宁","N 内蒙古","N 宁夏","Q 青海","S 山东","S 山西","S 陕西"
                  ,"S 上海","S 四川","T 天津","X 西藏","X 新疆","Y 云南","Z 浙江"];

//Province
function addprovince(_sel)
{
 	 for(var i=0;i<province_list.length;i++)
     {
        var opt = new Option(province_list[i],province_list[i]);
        _sel.options.add(opt);
     }
}
function province_change(_selprovince,_selcity,_selectcityid)
{
    resetSelectBox(_selcity.id);
    var opt=new Option("城市","");
    _selcity.options.add(opt);
    
    var sprovince=_selprovince.value;
    var ajax=new AJAXRequest();
    var surl="/service/hld_city.ashx?province="+encodeURIComponent(sprovince)+"&t="+Math.random();
    //alert(surl);
    ajax.get(surl,
		    function(obj) {
		        var arrlist=obj.responseText.split(',');
		        for(var i=0;i<arrlist.length;i++)
		        {
		            if(arrlist[i].length==0)continue;
		            var arreach=arrlist[i].split('|');
		            opt=new Option(arreach[1],arreach[0]);
		            _selcity.options.add(opt);
		        }
		        if(_selectcityid.length>0)
		        {
		            _selcity.value=_selectcityid;
		            loadNetwork($('table_network'));
		        }
		    }
	    );
}