function initZone(areaId)
{

	//areaId
	//01:北海道
	//02:東北
	//03:甲信越
	//04:関東
	//05:東京
	//06:北陸
	//07:東海
	//08:近畿
	//09:中国
	//10:四国
	//11:九州
	//12:沖縄

    var url = "http://www.e-budget.co.jp/API/getZone.php";
    
    new Ajax.Request(url , { 
        method: 'get', 
        parameters: 'key=yeZmMslBQmZm',
        onComplete: function(responseHttpObj){
                
            var doc = responseHttpObj.responseXML;

            var results = doc.getElementsByTagName("Results")[0];
            
            var total = results.getElementsByTagName("NumberOfResults")[0].childNodes[0].nodeValue;
            
            for (i=0; i<total; i++)
			{
				var zone = results.getElementsByTagName("Zone")[i];
				var zonecd = zone.getElementsByTagName("ZoneCd")[0].childNodes[0].nodeValue;
				
				var disp_in = true;
				var disp_out = true;

				if(areaId != 'undefined' && areaId != null){
					switch(areaId) {
						case '01':break;
						case '02':break;
						case '03':break;
						case '04':break;
						case '05':break;
						case '06':break;
						case '07':
							if(zonecd == '22'||zonecd == '23'||zonecd == '24'||zonecd == '25'||zonecd == '26'){
							}else{
								disp_in=false;
							}
							break;
						case '08':
							if(zonecd == '27'||zonecd == '29'){
							}else{
								disp_in=false;
							}
							break;
						case '09':
							if(zonecd == '21'||zonecd == '28'){
							}else{
								disp_in=false;
							}
							break;
						case '10':
							if(zonecd == '17'||zonecd == '18'||zonecd == '19'||zonecd == '20'){
							}else{
								disp_in=false;
							}
							break;
						case '11':
							if(zonecd == '01'||zonecd == '02'||zonecd == '03'||zonecd == '04'||zonecd == '05'||zonecd == '06'||zonecd == '07'||zonecd == '08'||zonecd == '09'||zonecd == '10'||zonecd == '11'||zonecd == '12'||zonecd == '13'||zonecd == '15'){
							}else{
								disp_in=false;
							}
							break;
						case '12':
							if(zonecd == '16'){
							}else{
								disp_in=false;
								disp_out=false;
							}
							break;
						default:
							disp=true;
					}
				}
				
				if(disp_in){
					var outreg = document.getElementById("outreg");
					var outOption = document.createElement("OPTION");
					outOption.text= zone.getElementsByTagName("ZoneName")[0].childNodes[0].nodeValue;
					outOption.value=zone.getElementsByTagName("ZoneCd")[0].childNodes[0].nodeValue + "," + zone.getElementsByTagName("GroupCd")[0].childNodes[0].nodeValue;
					outreg.options.add(outOption);
				}

				if(disp_out){
					var inreg = document.getElementById("inreg");
					var inOption = document.createElement("OPTION");
					inOption.text= zone.getElementsByTagName("ZoneName")[0].childNodes[0].nodeValue;
					inOption.value=zone.getElementsByTagName("ZoneCd")[0].childNodes[0].nodeValue + "," + zone.getElementsByTagName("GroupCd")[0].childNodes[0].nodeValue;
					inreg.options.add(inOption);
				}

			}
        },
        onFailure : function(req){
        },
        onException : function(req, e){
            alert(e);
        }
    });

}