var Calender_kyo = new Object();

Calender_kyo.atCalendarControl=function() {
	var calendar = this;
	this.calendarPad = null;
	this.prevMonth = null;
	this.nextMonth = null;
	this.prevYear = null;
	this.nextYear = null;
	this.goToday = null;
	this.calendarClose = null;
	this.calendarAbout = null;
	this.head = null;
	this.body = null;
	this.today = [];
	this.currentDate = [];
	this.sltDate;
	this.target;
	this.source;
	/************** 加入日历底板及阴影 *********************/
	this.addCalendarPad = function () {
		var tDiv = document.createElement('div');
		var strDiv = '';
		strDiv+="<div id='divCalendarpad' style='position:absolute;top:100px;left:0;width:255px;height:167px;display:none; z-index:23423454;'>";
		strDiv+="<iframe frameborder=0 height=168px width=255px></iframe>";
		strDiv+="<div style='position:absolute;top:4px;left:4px;width:248px;height:164px;background-color:#336699;'></div>";
		strDiv+="</div>";
		tDiv.innerHTML = strDiv;
		document.body.appendChild(tDiv);
		calendar.calendarPad = document.getElementById('divCalendarpad');
	};
	/************** 加入日历面板 *********************/
	this.addCalendarBoard = function () {

		var BOARD = this;
		var divBoard = document.createElement("div");
		
		calendar.calendarPad.appendChild(divBoard);	
		divBoard.style.cssText = "position:absolute;top:0;left:0;width:250px;height:166px;border:1px outset;background-color:buttonface;";
		var tbBoard = document.createElement("table");

		divBoard.appendChild(tbBoard);	
		tbBoard.style.cssText = "position:absolute;top:0;left:0;width:100%;height:100%;font-size:12px;";
		tbBoard.cellPadding = 0;
		tbBoard.cellSpacing = 1;
		tbBoard.bgColor = "#333333";
		/************** 设置各功能按钮的功能 *********************/
		/*********** Calendar About Button ***************/
		trRow = tbBoard.insertRow(0);
		trRow.style.cssText = 'height:20px';
		calendar.calendarAbout = calendar.insertTbCell(trRow, 0, "-", "center");
		calendar.calendarAbout.onclick = function () {
			calendar.about();
		};
		/*********** Calendar Head ***************/
		tbCell = trRow.insertCell(1);
		tbCell.colSpan = 5;
		tbCell.bgColor = "#99CCFF";
		tbCell.align = "center";
		tbCell.style.cssText = "cursor:default";
		calendar.head = tbCell;
		/*********** Calendar Close Button ***************/
		tbCell = trRow.insertCell(2);
		calendar.calendarClose = calendar.insertTbCell(trRow, 2, "x", "center");
		calendar.calendarClose.title = "\u5173\u95ed";
		calendar.calendarClose.onclick = function () {
			calendar.hide();
		};
		/*********** Calendar PrevYear Button ***************/
		trRow = tbBoard.insertRow(1);
		trRow.style.cssText = 'height:20px';
		calendar.prevYear = calendar.insertTbCell(trRow, 0, "&lt;&lt;", "center");
		calendar.prevYear.title = "\u4e0a\u4e00\u5e74";
		calendar.prevYear.onmousedown = function () {
			calendar.currentDate[0]--;
			calendar.show(calendar.target, calendar.currentDate[0] + "-" + calendar.currentDate[1] + "-" + calendar.currentDate[2], calendar.source);
		};
		/*********** Calendar PrevMonth Button ***************/
		calendar.prevMonth = calendar.insertTbCell(trRow, 1, "&lt;", "center");
		calendar.prevMonth.title = "\u4e0a\u4e00\u6708";
		calendar.prevMonth.onmousedown = function () {
			calendar.currentDate[1]--;
			if (calendar.currentDate[1] == 0) {
				calendar.currentDate[1] = 12;
				calendar.currentDate[0]--;
			}
			calendar.show(calendar.target, calendar.currentDate[0] + "-" + calendar.currentDate[1] + "-" + calendar.currentDate[2], calendar.source);
		};
		/*********** Calendar Today Button ***************/
		calendar.goToday = calendar.insertTbCell(trRow, 2, "\u5f53\u524d\u5929", "center", 3);
		calendar.goToday.title = "\u9009\u62e9\u4eca\u5929";
		calendar.goToday.onclick = function () {
			calendar.sltDate = calendar.currentDate[0] + "-" + calendar.currentDate[1] + "-" + calendar.currentDate[2];
			calendar.target.value = calendar.sltDate;
			calendar.hide();
    //calendar.show(calendar.target,calendar.today[0]+"-"+calendar.today[1]+"-"+calendar.today[2],calendar.source);
		};
		/*********** Calendar NextMonth Button ***************/
		calendar.nextMonth = calendar.insertTbCell(trRow, 3, "&gt;", "center");
		calendar.nextMonth.title = "\u4e0b\u4e00\u6708";
		calendar.nextMonth.onmousedown = function () {
			calendar.currentDate[1]++;
			if (calendar.currentDate[1] == 13) {
				calendar.currentDate[1] = 1;
				calendar.currentDate[0]++;
			}
			calendar.show(calendar.target, calendar.currentDate[0] + "-" + calendar.currentDate[1] + "-" + calendar.currentDate[2], calendar.source);
		};
		/*********** Calendar NextYear Button ***************/
		calendar.nextYear = calendar.insertTbCell(trRow, 4, "&gt;&gt;", "center");
		calendar.nextYear.title = "\u4e0b\u4e00\u5e74";
		calendar.nextYear.onmousedown = function () {
			calendar.currentDate[0]++;
			calendar.show(calendar.target, calendar.currentDate[0] + "-" + calendar.currentDate[1] + "-" + calendar.currentDate[2], calendar.source);
		};
		trRow = tbBoard.insertRow(2);
		trRow.style.cssText = 'height:20px';
		var cnDateName = new Array("\u5468\u65e5", "\u5468\u4e00", "\u5468\u4e8c", "\u5468\u4e09", "\u5468\u56db", "\u5468\u4e94", "\u5468\u516d");
		for (var i = 0; i < 7; i++) {
			tbCell = trRow.insertCell(i);
			tbCell.innerHTML = cnDateName[i];
			tbCell.align = "center";
			//tbCell.width = '35px';
			tbCell.style.cssText = "cursor:default;border:1px solid #99CCCC;background-color:#99CCCC;";
		}
		/*********** Calendar Body ***************/
		trRow = tbBoard.insertRow(3);
		tbCell = trRow.insertCell(0);
		tbCell.colSpan = 7;
		tbCell.height = 97;
		tbCell.vAlign = "top";
		tbCell.bgColor = "#F0F0F0";
		var tbBody = document.createElement("table");
		tbCell.appendChild(tbBody);	
		tbBody.style.cssText = "position:relative;top:0px;left:0;width:245px;height:103px;font-size:12px;";
		tbBody.cellPadding = 0;
		tbBody.cellSpacing = 1;
		calendar.body = tbBody;
	};
	
	
	/************** 加入功能按钮公共样式 *********************/
	this.insertTbCell = function (trRow, cellIndex, TXT, trAlign, tbColSpan) {
		var tbCell = trRow.insertCell(cellIndex);
		if (tbColSpan != undefined) {
			tbCell.colSpan = tbColSpan;
		}
		var btnCell = document.createElement("button");
		
		tbCell.appendChild(btnCell);	
		btnCell.innerHTML = TXT;
		
		btnCell.style.cssText = "width:100%;height:100%;border:1px outset;background-color:buttonface;";
		btnCell.onmouseover = function () {
			btnCell.style.cssText = "width:100%;height:100%;border:1px outset;background-color:#F0F0F0;";
		};
		btnCell.onmouseout = function () {
			btnCell.style.cssText = "width:100%;height:100%;border:1px outset;background-color:buttonface;";
		};
  // btnCell.onmousedown=function(){
  //  btnCell.style.cssText="width:100%;border:1 inset;background-color:#F0F0F0;";
  // }
		btnCell.onmouseup = function () {
			btnCell.style.cssText = "width:100%;height:100%;border:1px outset;background-color:#F0F0F0;";
		};
		btnCell.onclick = function () {
			btnCell.blur();
		};
		return btnCell;
	};
	this.setDefaultDate = function () {
		var dftDate = new Date();
		calendar.today[0] = dftDate.getFullYear();
		calendar.today[1] = dftDate.getMonth() + 1;
		calendar.today[2] = dftDate.getDate();
	};
	/****************** Show Calendar *********************/
	this.show = function (targetObject, defaultDate, sourceObject) {
		if (targetObject == undefined) {
			alert("\u672a\u8bbe\u7f6e\u76ee\u6807\u5bf9\u8c61. \n\u65b9\u6cd5: ATCALENDAR.show(obj \u76ee\u6807\u5bf9\u8c61\u6216\u8005\u5176id\u503c,string \u9ed8\u8ba4\u65e5\u671f,obj \u70b9\u51fb\u5bf9\u8c61);\n\n\u76ee\u6807\u5bf9\u8c61:\u63a5\u53d7\u65e5\u671f\u8fd4\u56de\u503c\u7684\u5bf9\u8c61.\n\u9ed8\u8ba4\u65e5\u671f:\u683c\u5f0f\u4e3a\"yyyy-mm-dd\",\u7f3a\u7701\u4e3a\u5f53\u65e5\u65e5\u671f.\n\u70b9\u51fb\u5bf9\u8c61:\u70b9\u51fb\u8fd9\u4e2a\u5bf9\u8c61\u5f39\u51facalendar,\u9ed8\u8ba4\u4e3a\u76ee\u6807\u5bf9\u8c61.\n");
			return false;
		} else {
			calendar.target = targetObject;
		}
		if (sourceObject == undefined) {
			calendar.source = calendar.target;
		} else {
			calendar.source = sourceObject;
		}
		var firstDay;
		var Cells = new Array();
		if (defaultDate == undefined || defaultDate == "") {
			var theDate = new Array();
			calendar.head.innerHTML = calendar.today[0] + "-" + calendar.today[1] + "-" + calendar.today[2];
			theDate[0] = calendar.today[0];
			theDate[1] = calendar.today[1];
			theDate[2] = calendar.today[2];
		} else {
			var reg = /^\d{4}-\d{1,2}-\d{1,2}$/;
			if (!defaultDate.match(reg)) {
				alert("\u9ed8\u8ba4\u65e5\u671f\u7684\u683c\u5f0f\u4e0d\u6b63\u786e\n\n\u9ed8\u8ba4\u65e5\u671f\u53ef\u63a5\u53d7\u683c\u5f0f\u4e3a:'yyyy-mm-dd'");
				return;
			}
			var theDate = defaultDate.split("-");
			calendar.head.innerHTML = defaultDate;
		}
		calendar.currentDate[0] = theDate[0];
		calendar.currentDate[1] = theDate[1];
		calendar.currentDate[2] = theDate[2];
		theFirstDay = calendar.getFirstDay(theDate[0], theDate[1]);
		theMonthLen = theFirstDay + calendar.getMonthLen(theDate[0], theDate[1]);
   //calendar.setEventKey(); 
		calendar.calendarPad.style.display = "";
		var theRows = Math.ceil((theMonthLen) / 7);
   //清除旧的日历;
		while (calendar.body.rows.length > 0) {
			calendar.body.deleteRow(0);
		}
   //建立新的日历;
		var n = 0;
		day = 0;
		for (i = 0; i < theRows; i++) {
			theRow = calendar.body.insertRow(i);
			for (j = 0; j < 7; j++) {
				n++;
				if (n > theFirstDay && n <= theMonthLen) {
					day = n - theFirstDay;
					calendar.insertBodyCell(theRow, j, day);
				} else {
					var theCell = theRow.insertCell(j);
					theCell.style.cssText = "background-color:#F0F0F0;cursor:default;";
				}
			}
		} 

   //****************调整日历位置**************//
		var offsetPos = calendar.getAbsolutePos(calendar.source);//计算对像的位置;
		
		/*
		if ((document.body.offsetHeight - (offsetPos.y + calendar.source.offsetHeight - document.body.scrollTop)) < parseInt(calendar.calendarPad.style.height)) {
			var calTop = offsetPos.y - parseInt(calendar.calendarPad.style.height);
		} else {
			
			var calTop = offsetPos.y + calendar.source.offsetHeight;
			
		}
		*/
		var calTop = offsetPos.y + calendar.source.offsetHeight;//FF and IE 下可以.
	
		if ((document.body.offsetWidth - (offsetPos.x + calendar.source.offsetWidth - document.body.scrollLeft)) > parseInt(calendar.calendarPad.style.width)) {
			var calLeft = offsetPos.x;
		} else {
			var calLeft = calendar.source.offsetLeft + calendar.source.offsetWidth;
		}
   //alert(offsetPos.x); 
   		//日历的显示位置.

		calendar.calendarPad.style.left = calLeft;
		calendar.calendarPad.style.top = calTop;
	};
	/****************** 计算对像的位置 *************************/
	this.getAbsolutePos = function (el) {
		var r = {x:el.offsetLeft, y:el.offsetTop};
		if (el.offsetParent) {
			var tmp = calendar.getAbsolutePos(el.offsetParent);
			r.x += tmp.x;
			r.y += tmp.y;
		}
		return r;
	}; 

  //************* 插入日期单元格 **************/
	this.insertBodyCell = function (theRow, j, day, targetObject) {
		var theCell = theRow.insertCell(j);
	
		if (j == 0 || j==6) {
			
				var theBgColor = "#CCCCCC";
	
			
			
		} else {
			var theBgColor = "#FFFFFF";
		}
	
		if (day == calendar.currentDate[2]) {//一个月的第一天
			//var theBgColor = "#CCCCCC"; 
		}
		if (day == calendar.today[2]) {
			var theBgColor = "#99FFCC";
		}
		theCell.bgColor = theBgColor;
		theCell.innerHTML = day;
		theCell.align = "center";
		theCell.width = 35;
		theCell.style.cssText = "border:1px solid #CCCCCC;cursor:hand;";
		theCell.onmouseover = function () {
			theCell.bgColor = "#FFFFCC";
			theCell.style.cssText = "border:1px outset;cursor:hand;";
		};
		theCell.onmouseout = function () {
			theCell.bgColor = theBgColor;
			theCell.style.cssText = "border:1px solid #CCCCCC;cursor:hand;";
		};
		theCell.onmousedown = function () {
			theCell.bgColor = "#FFFFCC";
			theCell.style.cssText = "border:1px inset;cursor:hand;";
		};
		theCell.onclick = function () {
			if (calendar.currentDate[1].length < 2) {
				calendar.currentDate[1] = "0" + calendar.currentDate[1];
			}
			if (day.toString().length < 2) {
				day = "0" + day;
			}
			calendar.sltDate = calendar.currentDate[0] + "-" + calendar.currentDate[1] + "-" + day;
			calendar.target.value = calendar.sltDate;
			calendar.hide();
		};
	};
	/************** 取得月份的第一天为星期几 *********************/
	this.getFirstDay = function (theYear, theMonth) {
		var firstDate = new Date(theYear, theMonth - 1, 1);
		return firstDate.getDay();
	};
	/************** 取得月份共有几天 *********************/
	this.getMonthLen = function (theYear, theMonth) {
		theMonth--;
		var oneDay = 1000 * 60 * 60 * 24;
		var thisMonth = new Date(theYear, theMonth, 1);
		var nextMonth = new Date(theYear, theMonth + 1, 1);
		var len = Math.ceil((nextMonth.getTime() - thisMonth.getTime()) / oneDay);
		return len;
	};
	/************** 隐藏日历 *********************/
	this.hide = function () {
   //calendar.clearEventKey();
		calendar.calendarPad.style.display = "none";
	};
	/************** 从这里开始 *********************/
	this.setup = function () {
		calendar.addCalendarPad();
		calendar.addCalendarBoard();
		calendar.setDefaultDate();
	};
	/************** 关于AgetimeCalendar *********************/
	this.about = function () {

		var strAbout = "\u5173\u4e8eJS\u65e5\u5386\u63a7\u4ef6\n\n";
		strAbout += "-\t: \u5173\u4e8e\n";
		strAbout += "x\t: \u9690\u85cf\n";
		strAbout += "<<\t: \u4e0a\u4e00\u5e74\n";
		strAbout += "<\t: \u4e0a\u4e00\u6708\n";
		strAbout += "\u4eca\u65e5\t: \u8fd4\u56de\u5f53\u5929\u65e5\u671f\n";
		strAbout += ">\t: \u4e0b\u4e00\u6708\n";
		strAbout += "<<\t: \u4e0b\u4e00\u5e74\n";
		alert(strAbout);
	};
	calendar.setup();
}