function setcity() {
	switch (document.form1.City.value){
		case "福州市" :
			var cityOptions = new Array("鼓楼区","台江区","仓山区","晋安区","马尾区","长乐市","福清市","连江县","罗源县","闽侯县","闽清县","平潭县","永泰县");
			break;
		case "龙岩市" :
			var cityOptions = new Array("漳平市","长汀县","连城县","上杭县","武平县","新罗区","永定县");
			break;
		case "南平市" :
			var cityOptions = new Array("延平区","建瓯市","建阳市","邵武市","武夷山","光泽县","浦城县","顺昌县","松溪县","政和县");
			break;
		case "宁德市" :
			var cityOptions = new Array("福安市","福鼎市","古田县","蕉城区","屏南县","寿宁县","霞浦县","柘荣县","周宁县");
			break;
		case "莆田市" :
			var cityOptions = new Array("城厢区","涵江区","荔城区","秀屿区","仙游县");
			break;
		case "泉州市" :
			var cityOptions = new Array("泉港区","鲤城区","洛江区","丰泽区","晋江市","石狮市","安溪县","德化县","惠安县","金门县","南安市","永春县");
			break;
		case "三明市" :
			var cityOptions = new Array("三元区","梅列区","永安市","大田县","建宁县","将乐县","明溪县","宁化县","清流县","沙县","泰宁县","尤溪县");
			break;
		case "厦门市" :
			var cityOptions = new Array("海沧区","湖里区","集美区","思明区","同安区","翔安区");
			break;
		case "漳州市" :
			var cityOptions = new Array("龙文区","芗城区","龙海市","长泰县","东山县","华安县","南靖县","平和县","云霄县","漳浦县","诏安县");
			break;
	}
	document.form1.Mass.options.length = 0;
    for(var i = 0; i < cityOptions.length; i++) {
        document.form1.Mass.options[i]=new Option(cityOptions[i],cityOptions[i]);
        if (document.form1.Mass.options[i].value=="") document.form1.Mass.selectedIndex = i;
    }

}