OptFuntype = new Array(
		"021","上海",
		"010","北京",
		"025","江苏省",
		"057","浙江省"
	);	
	
	function showMainOpt(){
		a = OptFuntype; 
		len = OptFuntype.length;
		for(i=0;i<len;i+=2) {
			document.writeln('<option value='+a[i]+'>'+a[i+1]+'</option>');
		}
	}
	
	function update_city( CatID1, subTypeForm ){ 
		subTypeForm.length=0; 
		switch(CatID1){ 
			case "": 
				subTypeForm.options[0] = new Option("选择城市","");
				subTypeForm.options[0].selected = true;
				break;
			case "021":
				subTypeForm.options[0] = new Option("选择地区","");
				subTypeForm.options[1] = new Option("黄浦区","0001");
				subTypeForm.options[2] = new Option("卢湾区","0002");
				subTypeForm.options[3] = new Option("静安区","0003");
				subTypeForm.options[4] = new Option("徐汇区","0004");
				subTypeForm.options[5] = new Option("虹口区","0005");
				subTypeForm.options[6] = new Option("长宁区","0006");
				subTypeForm.options[7] = new Option("普陀区","0007");
				subTypeForm.options[8] = new Option("杨浦区","0008");
				subTypeForm.options[9] = new Option("闸北区","0009");
				subTypeForm.options[10] = new Option("闵行区","0010");
				subTypeForm.options[11] = new Option("浦东新区","0011");
				subTypeForm.options[12] = new Option("宝山区","0012");
				subTypeForm.options[13] = new Option("嘉定区","0013");
				subTypeForm.options[14] = new Option("金山区","0014");
				subTypeForm.options[15] = new Option("松江区","0015");
				subTypeForm.options[16] = new Option("青浦区","0016");
				subTypeForm.options[17] = new Option("南汇区","0017");
				subTypeForm.options[18] = new Option("奉贤区","0018");
				subTypeForm.options[19] = new Option("崇明区","0019");
				subTypeForm.options[0].selected = true;
				break;
			case "010":
				subTypeForm.options[0] = new Option("选择地区","");
				subTypeForm.options[1] = new Option("海淀区","0001");
				subTypeForm.options[2] = new Option("东城区","0002");
				subTypeForm.options[3] = new Option("西城区","0003");
				subTypeForm.options[4] = new Option("朝阳区","0004");
				subTypeForm.options[5] = new Option("宣武区","0005");
				subTypeForm.options[6] = new Option("崇文区","0006");
				break;
			case "025":
				subTypeForm.options[0] = new Option("选择城市","");
				subTypeForm.options[1] = new Option("常熟市","0001");
				subTypeForm.options[2] = new Option("昆山市","0002");
				break;
			case "057":
				subTypeForm.options[0] = new Option("选择城市","");
				subTypeForm.options[1] = new Option("嘉兴市","0001");
				subTypeForm.options[2] = new Option("安吉市","0002");
				break;
			
		}
		return -1;
	}
	
	function SetCity(){
		prov = document.getElementById("prov");
		code = document.getElementById("code");
		update_city(prov.options[prov.options.selectedIndex].value, code);
		return;
	}	
	function clear1(){
		var obj = document.getElementById("mer_name");
		if(obj.value == "请输入商户名"){
			obj.value = "";
		}
		document.searchForm.submit();
	}