function aClass(Pid, Cname) {
	if (aClass.arguments.length < 2)
		alert("传入的参数错误！")
	else {
		this.Data  = Pid;
		this.Text  = Cname;
	}
}
function chgbox(aSrc, aDes, aClass, aRemain){
	if (chgbox.arguments.length < 4)
		alert("传入的参数错误！")
	else if (aSrc.type != "select-one")
		alert("传入的参数错误！")
	else if (aClass == null)
		alert("aClass未定义错误！")
	else {
		if (aRemain==null)
			aRemain = 1;
		chgItem(aSrc.selectedIndex, aDes, aClass, aRemain);
	}
}
function chgItem(aValue, aDes, aClass, aRemain){
	if (chgItem.arguments.length<4)
		alert("参数传入错误！")
	else if (aClass==null)
		alert("错误！aClass没有定义！")
	else{
		if (aRemain==null)
			aRemain = 1;
		deleteAllItem(aDes, aRemain);
		addItem(aDes, "请选择城市", "");
		for (var i=0; i<aClass.length; i++)
			if (aClass[i].Data==aValue)
				if (aClass[i].Data!="")
					addItem(aDes, aClass[i].Text, aClass[i].Text);
	}
}
function deleteAllItem(aList, aRemain) {
	if(aList==null) return;
	for (var i=aList.options.length; i > aRemain-1; i--)
		aList.options[i] = null;
}    

function addItem(aList, aText, aValue) {
	var aOption = new Option(aText, aValue);
	eval("aList.options[aList.options.length]=aOption");
}
function change_area(aForm) {
	chgbox(aForm.province, aForm.city, f_Set0 , 0);
}
function getcityindex(province,city,backnum){
	var j=0;
	for (var i=0; i<f_Set0.length; i++){
		if (f_Set0[i].Data==province){
			j++;
			if (f_Set0[i].Text==city)
				return j-backnum;
		}
	}
	return 0;
}
var f_Set0 = new Array(new aClass('1','北京辖区'),new aClass('1','北京辖县'),new aClass('2','天津辖区'),new aClass('2','天津辖县'),new aClass('3','石家庄市'),new aClass('3','唐山市'),new aClass('3','秦皇岛市'),new aClass('3','邯郸市'),new aClass('3','邢台市'),new aClass('3','保定市'),new aClass('3','张家口市'),new aClass('3','承德市'),new aClass('3','沧州市'),new aClass('3','廊坊市'),new aClass('3','衡水市'),new aClass('3',''),new aClass('4','太原市'),new aClass('4','大同市'),new aClass('4','阳泉市'),new aClass('4','长治市'),new aClass('4','晋城市'),new aClass('4','朔州市'),new aClass('4','晋中市'),new aClass('4','运城市'),new aClass('4','忻州市'),new aClass('4','临汾市'),new aClass('4','吕梁市'),new aClass('5','呼和浩特市'),new aClass('5','包头市'),new aClass('5','乌海市'),new aClass('5','赤峰市'),new aClass('5','通辽市'),new aClass('5','鄂尔多斯市'),new aClass('5','呼伦贝尔市'),new aClass('5','巴彦淖尔市'),new aClass('5','乌兰察布市'),new aClass('5','兴安盟'),new aClass('5','锡林郭勒盟'),new aClass('5','阿拉善盟'),new aClass('6','沈阳市'),new aClass('6','大连市'),new aClass('6','鞍山市'),new aClass('6','抚顺市'),new aClass('6','本溪市'),new aClass('6','丹东市'),new aClass('6','锦州市'),new aClass('6','营口市'),new aClass('6','阜新市'),new aClass('6','辽阳市'),new aClass('6','盘锦市'),new aClass('6','铁岭市'),new aClass('6','朝阳市'),new aClass('6','葫芦岛市'),new aClass('7','长春市'),new aClass('7','吉林市'),new aClass('7','四平市'),new aClass('7','辽源市'),new aClass('7','通化市'),new aClass('7','白山市'),new aClass('7','松原市'),new aClass('7','白城市'),new aClass('7','延边自治州'),new aClass('8','哈尔滨市'),new aClass('8','齐齐哈尔市'),new aClass('8','鸡西市'),new aClass('8','鹤岗市'),new aClass('8','双鸭山市'),new aClass('8','大庆市'),new aClass('8','伊春市'),new aClass('8','佳木斯市'),new aClass('8','七台河市'),new aClass('8','牡丹江市'),new aClass('8','黑河市'),new aClass('8','绥化市'),new aClass('8','大兴安岭地区'),new aClass('9','上海辖区'),new aClass('9','上海辖县'),new aClass('10','南京市'),new aClass('10','无锡市'),new aClass('10','徐州市'),new aClass('10','常州市'),new aClass('10','苏州市'),new aClass('10','南通市'),new aClass('10','连云港市'),new aClass('10','淮安市'),new aClass('10','盐城市'),new aClass('10','扬州市'),new aClass('10','镇江市'),new aClass('10','泰州市'),new aClass('10','宿迁市'),new aClass('11','杭州市'),new aClass('11','宁波市'),new aClass('11','温州市'),new aClass('11','嘉兴市'),new aClass('11','湖州市'),new aClass('11','绍兴市'),new aClass('11','金华市'),new aClass('11','衢州市'),new aClass('11','舟山市'),new aClass('11','台州市'),new aClass('11','丽水市'),new aClass('12','合肥市'),new aClass('12','芜湖市'),new aClass('12','蚌埠市'),new aClass('12','淮南市'),new aClass('12','马鞍山市'),new aClass('12','淮北市'),new aClass('12','铜陵市'),new aClass('12','安庆市'),new aClass('12','黄山市'),new aClass('12','滁州市'),new aClass('12','阜阳市'),new aClass('12','宿州市'),new aClass('12','巢湖市'),new aClass('12','六安市'),new aClass('12','亳州市'),new aClass('12','池州市'),new aClass('12','宣城市'),new aClass('13','福州市'),new aClass('13','厦门市'),new aClass('13','莆田市'),new aClass('13','三明市'),new aClass('13','泉州市'),new aClass('13','漳州市'),new aClass('13','南平市'),new aClass('13','龙岩市'),new aClass('13','宁德市'),new aClass('14','南昌市'),new aClass('14','景德镇市'),new aClass('14','萍乡市'),new aClass('14','九江市'),new aClass('14','新余市'),new aClass('14','鹰潭市'),new aClass('14','赣州市'),new aClass('14','吉安市'),new aClass('14','宜春市'),new aClass('14','抚州市'),new aClass('14','上饶市'),new aClass('15','济南市'),new aClass('15','青岛市'),new aClass('15','淄博市'),new aClass('15','枣庄市'),new aClass('15','东营市'),new aClass('15','烟台市'),new aClass('15','潍坊市'),new aClass('15','济宁市'),new aClass('15','泰安市'),new aClass('15','威海市'),new aClass('15','日照市'),new aClass('15','莱芜市'),new aClass('15','临沂市'),new aClass('15','德州市'),new aClass('15','聊城市'),new aClass('15','滨州市'),new aClass('15','荷泽市'),new aClass('16','郑州市'),new aClass('16','开封市'),new aClass('16','洛阳市'),new aClass('16','平顶山市'),new aClass('16','安阳市'),new aClass('16','鹤壁市'),new aClass('16','新乡市'),new aClass('16','焦作市'),new aClass('16','濮阳市'),new aClass('16','许昌市'),new aClass('16','漯河市'),new aClass('16','三门峡市'),new aClass('16','南阳市'),new aClass('16','商丘市'),new aClass('16','信阳市'),new aClass('16','周口市'),new aClass('16','驻马店市'),new aClass('17','武汉市'),new aClass('17','黄石市'),new aClass('17','十堰市'),new aClass('17','宜昌市'),new aClass('17','襄樊市'),new aClass('17','鄂州市'),new aClass('17','荆门市'),new aClass('17','孝感市'),new aClass('17','荆州市'),new aClass('17','黄冈市'),new aClass('17','咸宁市'),new aClass('17','随州市'),new aClass('17','恩施自治州'),new aClass('17','湖北省辖单位'),new aClass('18','长沙市'),new aClass('18','株洲市'),new aClass('18','湘潭市'),new aClass('18','衡阳市'),new aClass('18','邵阳市'),new aClass('18','岳阳市'),new aClass('18','常德市'),new aClass('18','张家界市'),new aClass('18','益阳市'),new aClass('18','郴州市'),new aClass('18','永州市'),new aClass('18','怀化市'),new aClass('18','娄底市'),new aClass('18','湘西自治州'),new aClass('19','广州市'),new aClass('19','韶关市'),new aClass('19','深圳市'),new aClass('19','珠海市'),new aClass('19','汕头市'),new aClass('19','佛山市'),new aClass('19','江门市'),new aClass('19','湛江市'),new aClass('19','茂名市'),new aClass('19','肇庆市'),new aClass('19','惠州市'),new aClass('19','梅州市'),new aClass('19','汕尾市'),new aClass('19','河源市'),new aClass('19','阳江市'),new aClass('19','清远市'),new aClass('19','东莞市'),new aClass('19','中山市'),new aClass('19','潮州市'),new aClass('19','揭阳市'),new aClass('19','云浮市'),new aClass('20','南宁市'),new aClass('20','柳州市'),new aClass('20','桂林市'),new aClass('20','梧州市'),new aClass('20','北海市'),new aClass('20','防城港市'),new aClass('20','钦州市'),new aClass('20','贵港市'),new aClass('20','玉林市'),new aClass('20','百色市'),new aClass('20','贺州市'),new aClass('20','河池市'),new aClass('20','来宾市'),new aClass('20','崇左市'),new aClass('21','海口市'),new aClass('21','三亚市'),new aClass('21','海南直辖县'),new aClass('22','重庆辖区'),new aClass('22','重庆辖县'),new aClass('22','重庆辖市'),new aClass('23','成都市'),new aClass('23','自贡市'),new aClass('23','攀枝花市'),new aClass('23','泸州市'),new aClass('23','德阳市'),new aClass('23','绵阳市'),new aClass('23','广元市'),new aClass('23','遂宁市'),new aClass('23','内江市'),new aClass('23','乐山市'),new aClass('23','南充市'),new aClass('23','眉山市'),new aClass('23','宜宾市'),new aClass('23','广安市'),new aClass('23','达州市'),new aClass('23','雅安市'),new aClass('23','巴中市'),new aClass('23','资阳市'),new aClass('23','阿坝自治州'),new aClass('23','甘孜自治州'),new aClass('23','凉山自治州'),new aClass('24','贵阳市'),new aClass('24','六盘水市'),new aClass('24','遵义市'),new aClass('24','安顺市'),new aClass('24','铜仁地区'),new aClass('24','黔西南自治州'),new aClass('24','毕节地区'),new aClass('24','黔东南自治州'),new aClass('24','黔南自治州'),new aClass('25','昆明市'),new aClass('25','曲靖市'),new aClass('25','玉溪市'),new aClass('25','保山市'),new aClass('25','昭通市'),new aClass('25','丽江市'),new aClass('25','思茅市'),new aClass('25','临沧市'),new aClass('25','楚雄自治州'),new aClass('25','红河自治州'),new aClass('25','文山自治州'),new aClass('25','西双版纳州'),new aClass('25','大理自治州'),new aClass('25','德宏自治州'),new aClass('25','怒江傈自治州'),new aClass('25','迪庆自治州'),new aClass('26','拉萨市'),new aClass('26','昌都地区'),new aClass('26','山南地区'),new aClass('26','日喀则地区'),new aClass('26','那曲地区'),new aClass('26','阿里地区'),new aClass('26','林芝地区'),new aClass('27','西安市'),new aClass('27','铜川市'),new aClass('27','宝鸡市'),new aClass('27','咸阳市'),new aClass('27','渭南市'),new aClass('27','延安市'),new aClass('27','汉中市'),new aClass('27','榆林市'),new aClass('27','安康市'),new aClass('27','商洛市'),new aClass('28','兰州市'),new aClass('28','嘉峪关市'),new aClass('28','金昌市'),new aClass('28','白银市'),new aClass('28','天水市'),new aClass('28','武威市'),new aClass('28','张掖市'),new aClass('28','平凉市'),new aClass('28','酒泉市'),new aClass('28','庆阳市'),new aClass('28','定西市'),new aClass('28','陇南市'),new aClass('28','临夏自治州'),new aClass('28','甘南自治州'),new aClass('29','西宁市'),new aClass('29','海东地区'),new aClass('29','海北自治州'),new aClass('29','黄南自治州'),new aClass('29','海南自治州'),new aClass('29','果洛自治州'),new aClass('29','玉树自治州'),new aClass('29','海西自治州'),new aClass('30','银川市'),new aClass('30','石嘴山市'),new aClass('30','吴忠市'),new aClass('30','固原市'),new aClass('30','中卫市'),new aClass('31','乌鲁木齐市'),new aClass('31','克拉玛依市'),new aClass('31','吐鲁番地区'),new aClass('31','哈密地区'),new aClass('31','昌吉自治州'),new aClass('31','博尔塔拉州'),new aClass('31','巴音郭楞州'),new aClass('31','阿克苏地区'),new aClass('31','克孜勒苏州'),new aClass('31','喀什地区'),new aClass('31','和田地区'),new aClass('31','伊犁自治州'),new aClass('31','塔城地区'),new aClass('31','阿勒泰地区'),new aClass('31','新疆省辖单位'));