var calendarPopupClass = function(){

	//ブラウザ判定
	var isWin9X = (navigator.appVersion.toLowerCase().indexOf('windows 98')+1); 
	var isIE = (navigator.appName.toLowerCase().indexOf('internet explorer')+1?1:0); 
	var isOpera = (navigator.userAgent.toLowerCase().indexOf('opera')+1?1:0); 
	var isSafari = (navigator.appVersion.toLowerCase().indexOf('safari')+1?1:0);
	var isFirefox = (navigator.userAgent.toLowerCase().indexOf('firefox')+1?1:0);
	var isKonqueror = (navigator.userAgent.toLowerCase().indexOf('Konqueror')+1?1:0);
	if (isOpera) isIE = false; 
	
	var getUrl = "";	//カレンダーリクエスト送信先
	var thisYear = false;	//年オブジェクト
	var thisMonth = false;	//月オブジェクト
	var thisDay = false;	//日オブジェクト
	var thisNumber = false; //カレンダー番号

	
	var thisBtn = false;	//カレンダー呼び出しボタン
	var thisArea = false;	//カレンダー表示親エリア
	var thisBody = false;	//カレンダー表示エリア
	var thisBack = false;	//カレンダー表示エリア背景(透過防止のiframe)
	
	var thisStartdate = ""; //カレンダースクリプトへ渡す開始日(start_date)
	var thisTitle = false;	//カレンダースクリプトへ渡すタイトルを持つ要素(title)
	
	var response = "";
	var onclickScript = "";
	
	//初期設定
	this.init = function (url,number,startdate,title_id){
		getUrl = url;
		thisNumber = number;
		
		thisYear = document.getElementById("year"+thisNumber);
		thisMonth = document.getElementById("month"+thisNumber);
		thisDay = document.getElementById("day"+thisNumber);
		
//		if(thisYear){
//			thisYear.onchange = function(){calendarShow("",false);};
//		}
//		if(thisMonth){
//			thisMonth.onchange = function(){calendarShow("",false);};
//		}
//		if(thisDay){
//			thisDay.onchange = function(){calendarShow("",false);};
//		}
		
		thisBtn = document.getElementById("calendarPopupBtn"+thisNumber);
		thisArea = document.getElementById("calendarPopupArea"+thisNumber);

		thisStartdate = startdate;
		
		if(!!title_id){
			thisTitle = document.getElementById(title_id+thisNumber);
		}

		if(thisBtn && thisArea){
			//カレンダー表示エリア設定
			thisArea.innerHTML = '<div class="calendar_popup" id="calendarPopupBody'+thisNumber+'"></div>'
					   + '<iframe scrolling="no" frameborder="0" class="calendar_popup_back"></iframe>';
			thisArea.style.display = "none";
			thisBtn.href = "javascript:void(0);";
			
			//onclickイベントがついている場合、このイベントの処理を取得し、onclickイベントを抑制する
			if(thisBtn.onclick){
				onclickScript = String(thisBtn.onclick).replace(/\n/g,"");
				thisBtn.onclick = "";
				if(onclickScript.match(/function.*{(.*)}/gi)){
					onclickScript = RegExp.$1;
				}else{
					onclickScript = "";
				}
			}
			
			thisBtn.onclick = function(){
				eval(onclickScript);
				calendarShow("",true);
			};
			thisBody = document.getElementById("calendarPopupBody"+thisNumber);
		}else{
			return false;
		}
	}
	
	//カレンダー呼び出し(リクエスト送信)
	function calendarShow(dateText,show){
		var year = null;
		var month = null;
		var day = null;

		if(!show && thisArea.style.display == "none"){
			return false;
		}

		var allElements = document.getElementsByTagName("*");
		for(var i = 0;i < allElements.length;i++){
			if(allElements[i].id.indexOf("calendarPopupArea") > -1){
				if(allElements[i].id != ("calendarPopupArea"+thisNumber)){
					allElements[i].style.display = "none";
				}
			}
		}

		if(dateText.indexOf("-") > -1){
			var dates = dateText.split("-");
			year = dates[0];
			month = dates[1];
			day = dates[2];
		}else{
			if(typeof thisYear.options != "object"){
				year = thisYear.value;
			}else{
				year = thisYear.options[thisYear.selectedIndex].title;
				if(year.length == 0){
					year = thisYear.options[thisYear.selectedIndex].value;
				}
			}
			
			month = thisMonth.options[thisMonth.selectedIndex].title;
			if(month.length == 0){
				month = thisMonth.options[thisMonth.selectedIndex].value;
			}

			day = thisDay.options[thisDay.selectedIndex].title;
			if(day.length == 0){
				day = thisDay.options[thisDay.selectedIndex].value;
			}
		}
		
		var title = '';
		if(thisTitle){
			title = encodeURI(thisTitle.innerHTML);
		}
		
		var sendparam = "&start_date=" + thisStartdate + "&title=" + title + "&elm_no=" + thisNumber + "&year=" + year + "&month=" + month + "&day=" + day;
		
		//リクエスト送信
		getResponsebody(setResponse,sendparam,'POST',getUrl,false,"");
	}
	
	//カレンダー呼び出し(カレンダー情報受信)
	function setResponse(res,id){
		response = res.responseText;
		if(response.length > 0){
			thisBody.innerHTML = response;
			//選択可能日のAタグ
			var enableBtn = document.getElementsByName("calendar_enable");
			for(var i = 0;i < enableBtn.length;i++){
				enableBtn[i].onclick = function(){setCalendarDate(this.className)};
			}
			if(document.getElementById("calendar_prev"+thisNumber)){
				document.getElementById("calendar_prev"+thisNumber).onclick = function(){calendarShow(this.className,true)};
			}
			if(document.getElementById("calendar_next"+thisNumber)){
				document.getElementById("calendar_next"+thisNumber).onclick = function(){calendarShow(this.className,true)};
			}
			document.getElementById("calendar_close"+thisNumber).onclick = function(){calendarHide();};
			
			//カレンダー表示
			thisArea.style.display = "inline";
		}
	}
	
	//日付代入
	function setCalendarDate(dateText){
		if(dateText.indexOf("-") > -1){
			dates = dateText.split("-");
		}else{
			return false;
		}
		
		var i = 0;
		
		if(typeof thisYear.options != "object"){
			thisYear.value = dates[0];
		}else{
			for(i = 0;i < thisYear.options.length;i++){
				if(thisYear.options[i].title == dates[0]){
					thisYear.options[i].selected = true;
				}else if(thisYear.options[i].value == dates[0]){
					thisYear.options[i].selected = true;
				}
			}
		}
		for(i = 0;i < thisMonth.options.length;i++){
			if(thisMonth.options[i].title == dates[1]){
				thisMonth.options[i].selected = true;
			}else if(thisMonth.options[i].value == dates[1]){
				thisMonth.options[i].selected = true;
			}
		}
		for(i = 0;i < thisDay.options.length;i++){
			if(thisDay.options[i].title == dates[2]){
				thisDay.options[i].selected = true;
			}else if(thisDay.options[i].value == dates[2]){
				thisDay.options[i].selected = true;
			}
		}
		if(thisYear.onchange){
			thisYear.onchange();
		}
		if(thisMonth.onchange){
			thisMonth.onchange();
		}
		if(thisDay.onchange){
			thisDay.onchange();
		}
		calendarHide();
	}
	
	//カレンダーを閉じる
	function calendarHide(){
		thisArea.style.display = "none";
	}

	function getResponsebody(callback,data,method,fileURL,async ,id){
		var oj =  null;

		//XMLHttpRequestオブジェクト生成
		if(window.ActiveXObject){
			try{
				oj = new ActiveXObject("Msxml2.XMLHTTP");
			} 
			catch (e){
				try{
					oj = new ActiveXObject("Microsoft.XMLHTTP");
				}
				catch (e2){
					oj = null;
				}
			 }
		}else if(window.XMLHttpRequest){
			oj = new XMLHttpRequest();
		}else{
			oj = null;
		}
		if( oj == null ){
			return null;
		}

		//Konquerorはonloadが不安定
		if(isOpera || isSafari || isFirefox){
			oj.onload = function () { callback(oj,id) }
		}else{
			oj.onreadystatechange = function () {
				if (oj.readyState == 4){
					callback(oj,id);
				}
			}
		}

		if(isFirefox){
			oj.overrideMimeType("text/plain; charset=shift_jis");
		}


		oj.open( method,fileURL,async);
		
		if(method == 'POST'){
			if(!isOpera){
				oj.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
			}
		}

		oj.send(data);
	}
	function yokoyama(){
		return '1';
	}
}