function chkind(formid,proname,cityname){
	objform=document.all.item(formid)
	objpro=objform(proname)
	objcity=objform(cityname)
	
	if(objpro.selectedIndex==0){
		
		objcity.length=0
	}
	
	if(objpro.selectedIndex==1){
		
		objcity.options[0]=new Option("请选择城市","请选择城市");
		
		objcity.options[1]=new Option("安庆","安庆");
		
		objcity.options[2]=new Option("蚌埠","蚌埠");
		
		objcity.options[3]=new Option("亳州","亳州");
		
		objcity.options[4]=new Option("巢湖","巢湖");
		
		objcity.options[5]=new Option("池州","池州");
		
		objcity.options[6]=new Option("滁州","滁州");
		
		objcity.options[7]=new Option("阜阳","阜阳");
		
		objcity.options[8]=new Option("合肥","合肥");
		
		objcity.options[9]=new Option("淮北","淮北");
		
		objcity.options[10]=new Option("淮南","淮南");
		
		objcity.options[11]=new Option("黄山","黄山");
		
		objcity.options[12]=new Option("六安","六安");
		
		objcity.options[13]=new Option("马鞍山","马鞍山");
		
		objcity.options[14]=new Option("宿州","宿州");
		
		objcity.options[15]=new Option("铜陵","铜陵");
		
		objcity.options[16]=new Option("芜湖","芜湖");
		
		objcity.options[17]=new Option("宣城","宣城");
		
		objcity.length=18
	}
	
	if(objpro.selectedIndex==2){
		
		objcity.options[0]=new Option("请选择城市","请选择城市");
		
		objcity.options[1]=new Option("澳门","澳门");
		
		objcity.length=2
	}
	
	if(objpro.selectedIndex==3){
		
		objcity.options[0]=new Option("请选择城市","请选择城市");
		
		objcity.options[1]=new Option("北京","北京");
		
		objcity.length=2
	}
	
	if(objpro.selectedIndex==4){
		
		objcity.options[0]=new Option("请选择城市","请选择城市");
		
		objcity.options[1]=new Option("福州","福州");
		
		objcity.options[2]=new Option("龙岩","龙岩");
		
		objcity.options[3]=new Option("南平","南平");
		
		objcity.options[4]=new Option("宁德","宁德");
		
		objcity.options[5]=new Option("莆田","莆田");
		
		objcity.options[6]=new Option("泉州","泉州");
		
		objcity.options[7]=new Option("三明","三明");
		
		objcity.options[8]=new Option("厦门","厦门");
		
		objcity.options[9]=new Option("漳州","漳州");
		
		objcity.length=10
	}
	
	if(objpro.selectedIndex==5){
		
		objcity.options[0]=new Option("请选择城市","请选择城市");
		
		objcity.options[1]=new Option("白银","白银");
		
		objcity.options[2]=new Option("定西地区","定西地区");
		
		objcity.options[3]=new Option("甘南藏族","甘南藏族");
		
		objcity.options[4]=new Option("嘉峪关","嘉峪关");
		
		objcity.options[5]=new Option("金昌","金昌");
		
		objcity.options[6]=new Option("酒泉","酒泉");
		
		objcity.options[7]=new Option("兰州","兰州");
		
		objcity.options[8]=new Option("临夏回族","临夏回族");
		
		objcity.options[9]=new Option("陇南地区","陇南地区");
		
		objcity.o