function L_calendar() { }
L_calendar.prototype = {
    _VersionInfo: "Version:1.0
",
    Moveable: true,
    NewName: "",
    insertId: "",
    ClickObject: null,
    InputObject: null,
    InputDate: null,
    IsOpen: false,
    MouseX: 0,
    MouseY: 0,
    GetDateLayer: function() {
        return window.L_DateLayer;
    },
    L_TheYear: new Date().getFullYear(), //定义年的变量的初始值
    L_TheMonth: new Date().getMonth() + 1, //定义月的变量的初始值
    L_WDay: new Array(39), //定义写日期的数组
    MonHead: new Array(31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31),    		   //定义阳历中每个月的最大天数
    GetY: function() {
        var obj;
        if (arguments.length > 0) {
            obj == arguments[0];
        }
        else {
            obj = this.ClickObject;
        }
        if (obj != null) {
            var y = obj.offsetTop;
            while (obj = obj.offsetParent) y += obj.offsetTop;
            return y;
        }
        else { return 0; }
    },
    GetX: function() {
        var obj;
        if (arguments.length > 0) {
            obj == arguments[0];

        }
        else {
            obj = this.ClickObject;
        }
        if (obj != null) {
            var y = obj.offsetLeft;
            while (obj = obj.offsetParent) y += obj.offsetLeft;
            return y;
        }
        else { return 0; }
    },
    CreateHTML: function() {
        var htmlstr = "";
        htmlstr += "<div id=\"L_calendar\">\r\n";
        htmlstr += "<span id=\"SelectYearLayer\" style=\"z-index: 9999;position: absolute;top: 3; left: 19;display: none\"></span>\r\n";
        htmlstr += "<span id=\"SelectMonthLayer\" style=\"z-index: 9999;position: absolute;top: 3; left: 78;display: none\"></span>\r\n";
        htmlstr += "<div id=\"L_calendar-year-month\"><div id=\"L_calendar-PrevM\" onclick=\"parent." + this.NewName + ".PrevM()\" title=\"前一月\"><b>&lt;</b></div><div id=\"L_calendar-year\" onmouseover=\"style.backgroundColor='#FFD700'\" onmouseout=\"style.backgroundColor='white'\" onclick=\"parent." + this.NewName + ".SelectYearInnerHTML('" + this.L_TheYear + "')\"></div><div id=\"L_calendar-month\"  onmouseover=\"style.backgroundColor='#FFD700'\" onmouseout=\"style.backgroundColor='white'\" onclick=\"parent." + this.NewName + ".SelectMonthInnerHTML('" + this.L_TheMonth + "')\"></div><div id=\"L_calendar-NextM\" onclick=\"parent." + this.NewName + ".NextM()\" title=\"后一月\"><b>&gt;</b></div></div>\r\n";
        htmlstr += "<div id=\"L_calendar-week\"><ul  onmouseup=\"StopMove()\"><li>日</li><li>一</li><li>二</li><li>三</li><li>四</li><li>五</li><li>六</li></ul></div>\r\n";
        htmlstr += "<div id=\"L_calendar-day\">\r\n";
        htmlstr += "<ul>\r\n";
        for (var i = 0; i < this.L_WDay.length; i++) {
            htmlstr += "<li id=\"L_calendar-day_" + i + "\" style=\"background:#e0e0e0\" onmouseover=\"this.style.background='#FFD700'\"  onmouseout=\"this.style.background='#e0e0e0'\"></li>\r\n";
        }
        htmlstr += "</ul>\r\n";
        htmlstr += "<span id=\"L_calendar-today\" onclick=\"parent." + this.NewName + ".Today()\"><b>Today</b></span>\r\n";
        htmlstr += "</div>\r\n";
        //htmlstr+="<div id=\"L_calendar-control\"></div>\r\n";
        htmlstr += "</div>\r\n";
        htmlstr += "<scr" + "ipt type=\"text/javas" + "cript\">\r\n";
        htmlstr += "var MouseX,MouseY;";
        htmlstr += "var Moveable=" + this.Moveable + ";\r\n";
        htmlstr += "var MoveaStart=false;\r\n";
        htmlstr += "document.onmousemove=function(e)\r\n";
        htmlstr += "{\r\n";
        htmlstr += "var DateLayer=parent.document.getElementById(\"L_DateLayer\");\r\n";
        htmlstr += "	e = window.event || e;\r\n";
        htmlstr += "var DateLayerLeft=DateLayer.style.posLeft || parseInt(DateLayer.style.left.replace(\"px\",\"\"));\r\n";
        htmlstr += "var DateLayerTop=DateLayer.style.posTop || parseInt(DateLayer.style.top.replace(\"px\",\"\"));\r\n";
        htmlstr += "if(MoveaStart){DateLayer.style.left=(DateLayerLeft+e.clientX-MouseX)+\"px\";DateLayer.style.top=(DateLayerTop+e.clientY-MouseY)+\"px\"}\r\n";
        htmlstr += ";\r\n";
        htmlstr += "}\r\n";

        htmlstr += "document.getElementById(\"L_calendar-week\").onmousedown=function(e){\r\n";
        htmlstr += "if(Moveable){MoveaStart=true;}\r\n";
        htmlstr += "	e = window.event || e;\r\n";
        htmlstr += "  MouseX = e.clientX;\r\n";
        htmlstr += "  MouseY = e.clientY;\r\n";
        htmlstr += "	}\r\n";

        htmlstr += "function StopMove(){\r\n";
        htmlstr += "MoveaStart=false;\r\n";
        htmlstr += "	}\r\n";
        htmlstr += "</scr" + "ipt>\r\n";
        var stylestr = "";
        stylestr += "<style type=\"text/css\">";
        stylestr += "body{background:#fff;font-size:12px;margin:0px;padding:0px;text-align:left}\r\n";
        stylestr += "#L_calendar{border:1px solid blue;width:158px;padding:1px;height:180px;z-index:9998;text-align:center}\r\n";
        stylestr += "#L_calendar-year-month{height:23px;line-height:23px;z-index:9998;}\r\n";
        stylestr += "#L_calendar-year{line-height:23px;width:60px;float:left;z-index:9998;position: absolute;top: 3; left: 19;cursor:default}\r\n";
        stylestr += "#L_calendar-month{line-height:23px;width:48px;float:left;z-index:9998;position: absolute;top: 3; left: 78;cursor:default}\r\n";
        stylestr += "#L_calendar-PrevM{position: absolute;top: 3; left: 5;cursor:pointer}"
        stylestr += "#L_calendar-NextM{position: absolute;top: 3; left: 145;cursor:pointer}"
        stylestr += "#L_calendar-week{height:23px;line-height:23px;z-index:9998;}\r\n";
        stylestr += "#L_calendar-day{height:136px;z-index:9998;}\r\n";
        stylestr += "#L_calendar-week ul{cursor:move;list-style:none;margin:0px;padding:0px;}\r\n";
        stylestr += "#L_calendar-week li{width:20px;height:20px;float:left;;margin:1px;padding:0px;text-align:center;}\r\n";
        stylestr += "#L_calendar-day ul{list-style:none;margin:0px;padding:0px;}\r\n";
        stylestr += "#L_calendar-day li{cursor:pointer;width:20px;height:20px;float:left;;margin:1px;padding:0px;}\r\n";
        stylestr += "#L_calendar-control{height:25px;z-index:9998;}\r\n";
        stylestr += "#L_calendar-today{cursor:pointer;float:left;width:63px;height:20px;line-height:20px;margin:1px;text-align:center;background:red}"
        stylestr += "</style>";
        var TempLateContent = "<html>\r\n";
        TempLateContent += "<head>\r\n";
        TempLateContent += "<title></title>\r\n";
        TempLateContent += stylestr;
        TempLateContent += "</head>\r\n";
        TempLateContent += "<body>\r\n";
        TempLateContent += htmlstr;
        TempLateContent += "</body>\r\n";
        TempLateContent += "</html>\r\n";
        this.GetDateLayer().document.writeln(TempLateContent);
        this.GetDateLayer().document.close();
    },
    InsertHTML: function(id, htmlstr) {
        var L_DateLayer = this.GetDateLayer();
        if (L_DateLayer) { L_DateLayer.document.getElementById(id).innerHTML = htmlstr; }
    },
    WriteHead: function(yy, mm)  //往 head 中写入当前的年与月
    {
        this.InsertHTML("L_calendar-year", yy + " 年");
        this.InsertHTML("L_calendar-month", mm + " 月");
    },
    IsPinYear: function(year)            //判断是否闰平年
    {
        if (0 == year % 4 && ((year % 100 != 0) || (year % 400 == 0))) return true; else return false;
    },
    GetMonthCount: function(year, month)  //闰年二月为29天
    {
        var c = this.MonHead[month - 1]; if ((month == 2) && this.IsPinYear(year)) c++; return c;
    },
    GetDOW: function(day, month, year)     //求某天的星期几
    {
        var dt = new Date(year, month - 1, day).getDay() / 7; return dt;
    },
    GetText: function(obj) {
        if (obj.innerText) { return obj.innerText }
        else { return obj.textContent }
    },
    PrevM: function()  //往前翻月份
    {
        if (this.L_TheMonth > 1) { this.L_TheMonth-- } else { this.L_TheYear--; this.L_TheMonth = 12; }
        this.SetDay(this.L_TheYear, this.L_TheMonth);
    },
    NextM: function()  //往后翻月份
    {
        if (this.L_TheMonth == 12) { this.L_TheYear++; this.L_TheMonth = 1 } else { this.L_TheMonth++ }
        this.SetDay(this.L_TheYear, this.L_TheMonth);
    },
    Today: function()  //Today Button
    {
        var today;
        this.L_TheYear = new Date().getFullYear();
        this.L_TheMonth = new Date().getMonth() + 1;
        today = new Date().getDate();
        if (this.InputObject) {
            this.InputObject.value = this.L_TheYear + "-" + this.L_TheMonth + "-" + today;
        }
        this.CloseLayer();
    },
    SetDay: function(yy, mm)   //主要的写程序**********
    {
        this.WriteHead(yy, mm);
        //设置当前年月的公共变量为传入值
        this.L_TheYear = yy;
        this.L_TheMonth = mm;
        //当页面本身位于框架中时 IE会返回错误的parent
        if (window.top.location.href != window.location.href) {
            for (var i_f = 0; i_f < window.top.frames.length; i_f++) {
                if (window.top.frames[i_f].location.href == window.location.href) { L_DateLayer_Parent = window.top.frames[i_f]; }
            }
        }
        else {
            L_DateLayer_Parent = window.parent;
        }
        for (var i = 0; i < 39; i++) { this.L_WDay[i] = "" };  //将显示框的内容全部清空
        var day1 = 1, day2 = 1, firstday = new Date(yy, mm - 1, 1).getDay();  //某月第一天的星期几
        for (i = 0; i < firstday; i++) this.L_WDay[i] = this.GetMonthCount(mm == 1 ? yy - 1 : yy, mm == 1 ? 12 : mm - 1) - firstday + i + 1	//上个月的最后几天
        for (i = firstday; day1 < this.GetMonthCount(yy, mm) + 1; i++) { this.L_WDay[i] = day1; day1++; }
        for (i = firstday + this.GetMonthCount(yy, mm); i < 39; i++) { this.L_WDay[i] = day2; day2++ }
        for (i = 0; i < 39; i++) {
            var da = this.GetDateLayer().document.getElementById("L_calendar-day_" + i + "");
            var month, day;
            if (this.L_WDay[i] != "") {
                if (i < firstday) {
                    da.innerHTML = "<b style=\"color:gray\">" + this.L_WDay[i] + "</b>";
                    month = (mm == 1 ? 12 : mm - 1);
                    day = this.L_WDay[i];
                }
                else if (i >= firstday + this.GetMonthCount(yy, mm)) {
                    da.innerHTML = "<b style=\"color:gray\">" + this.L_WDay[i] + "</b>";
                    month = (mm == 1 ? 12 : mm + 1);
                    day = this.L_WDay[i];
                }
                else {
                    da.innerHTML = "<b style=\"color:#000\">" + this.L_WDay[i] + "</b>";
                    //month = (mm == 1 ? 12 : mm);
                    month = mm;
                    day = this.L_WDay[i];
                    if (document.all) {
                        da.onclick = Function("L_DateLayer_Parent." + this.NewName + ".DayClick(" + month + "," + day + ")");
                    }
                    else {
                        da.setAttribute("onclick", "parent." + this.NewName + ".DayClick(" + month + "," + day + ")");
                    }
                }
                da.title = month + " 月" + day + " 日";
                da.style.background = (yy == new Date().getFullYear() && month == new Date().getMonth() + 1 && day == new Date().getDate()) ? "#FFD700" : "#e0e0e0";
                if (this.InputDate != null) {
                    if (yy == this.InputDate.getFullYear() && month == this.InputDate.getMonth() + 1 && day == this.InputDate.getDate()) {
                        da.style.background = "#0650D2";
                    }
                }
            }
        }
    },
    SelectYearInnerHTML: function(strYear) //年份的下拉框
    {
        if (strYear.match(/\D/) != null) { alert("年份输入参数不是数字！"); return; }
        var m = (strYear) ? new Date().getFullYear() : new Date().getFullYear();
        //--gaoyj 2009.8.6 START
        //        var today = new Date();
        //        var m_year = today.getYear();
        //        var m = (strYear) ?  new Date().getFullYear(); : new Date().getFullYear();


        //--END
        if (m < 1000 || m > 9999) { alert("年份值不在 1000 到 9999 之间！"); return; }
        var n = m - 10;
        if (n < 1000) n = 1000;
        if (n + 26 > 9999) n = 9974;
        var s = "<select name=\"L_SelectYear\" id=\"L_SelectYear\" style='font-size: 12px' "
        s += "onblur='document.getElementById(\"SelectYearLayer\").style.display=\"none\"' "
        s += "onchange='document.getElementById(\"SelectYearLayer\").style.display=\"none\";"
        s += "parent." + this.NewName + ".L_TheYear = this.value; parent." + this.NewName + ".SetDay(parent." + this.NewName + ".L_TheYear,parent." + this.NewName + ".L_TheMonth)'>\r\n";
        var selectInnerHTML = s;
        //for (var i = n; i < n + 26; i++) {

        
        
        var rmm = m -8; //2011.9.22 edit
        
        for (var i = rmm; i <= m; i++) {
            if (i == m)
            { selectInnerHTML += "<option value='" + i + "' selected>" + i + "年" + "</option>\r\n"; }
            else { selectInnerHTML += "<option value='" + i + "'>" + i + "年" + "</option>\r\n"; }
        }
        selectInnerHTML += "</select>";
        var DateLayer = this.GetDateLayer();
        DateLayer.document.getElementById("SelectYearLayer").style.display = "";
        DateLayer.document.getElementById("SelectYearLayer").innerHTML = selectInnerHTML;
        DateLayer.document.getElementById("L_SelectYear").focus();
    },
    SelectMonthInnerHTML: function(strMonth) //月份的下拉框
    {
        if (strMonth.match(/\D/) != null) { alert("月份输入参数不是数字！"); return; }
        var m = (strMonth) ? strMonth : new Date().getMonth() + 1;
        var s = "<select name=\"L_SelectYear\" id=\"L_SelectMonth\" style='font-size: 12px' "
        s += "onblur='document.getElementById(\"SelectMonthLayer\").style.display=\"none\"' "
        s += "onchange='document.getElementById(\"SelectMonthLayer\").style.display=\"none\";"
        s += "parent." + this.NewName + ".L_TheMonth = this.value; parent." + this.NewName + ".SetDay(parent." + this.NewName + ".L_TheYear,parent." + this.NewName + ".L_TheMonth)'>\r\n";
        var selectInnerHTML = s;
        for (var i = 1; i < 13; i++) {
            if (i == m)
            { selectInnerHTML += "<option value='" + i + "' selected>" + i + "月" + "</option>\r\n"; }
            else { selectInnerHTML += "<option value='" + i + "'>" + i + "月" + "</option>\r\n"; }
        }
        selectInnerHTML += "</select>";
        var DateLayer = this.GetDateLayer();
        DateLayer.document.getElementById("SelectMonthLayer").style.display = "";
        DateLayer.document.getElementById("SelectMonthLayer").innerHTML = selectInnerHTML;
        DateLayer.document.getElementById("L_SelectMonth").focus();
    },
    DayClick: function(mm, dd)  //点击显示框选取日期，主输入函数*************
    {
        var yy = this.L_TheYear;
        //判断月份，并进行对应的处理
        if (mm < 1) { yy--; mm = 12 + mm; }
        else if (mm > 12) { yy++; mm = mm - 12; }
        if (mm < 10) { mm = "0" + mm; }
        if (this.ClickObject) {
            if (!dd) { return; }
            if (dd < 10) { dd = "0" + dd; }
            this.InputObject.value = yy + "-" + mm + "-" + dd; //注：在这里你可以输出改成你想要的格式
            this.CloseLayer();
        }
        else { this.CloseLayer(); alert("您所要输出的控件对象并不存在！"); }
    },
    SetDate: function() {
        if (arguments.length < 1) { alert("对不起！传入参数太少！"); return; }
        else if (arguments.length > 2) { alert("对不起！传入参数太多！"); return; }
        this.InputObject = (arguments.length == 1) ? arguments[0] : arguments[1];
        this.ClickObject = arguments[0];
        var reg = /^(\d+)-(\d{1,2})-(\d{1,2})$/;
        var r = this.InputObject.value.match(reg);
        if (r != null) {
            r[2] = r[2] - 1;
            var d = new Date(r[1], r[2], r[3]);
            if (d.getFullYear() == r[1] && d.getMonth() == r[2] && d.getDate() == r[3]) {
                this.InputDate = d; 	//保存外部传入的日期
            }
            else this.InputDate = "";
            this.L_TheYear = r[1];
            this.L_TheMonth = r[2] + 1;
        }
        else {
            this.L_TheYear = new Date().getFullYear();
            this.L_TheMonth = new Date().getMonth() + 1
        }
        this.CreateHTML();
        var top = this.GetY();
        var left = this.GetX();
        var DateLayer = document.getElementById("L_DateLayer");
        DateLayer.style.top = top + this.ClickObject.clientHeight + 5 + "px";
        DateLayer.style.left = left + "px";
        DateLayer.style.display = "block";
        if (document.all) {
            this.GetDateLayer().document.getElementById("L_calendar").style.width = "160px";
            this.GetDateLayer().document.getElementById("L_calendar").style.height = "180px"
        }
        else {
            this.GetDateLayer().document.getElementById("L_calendar").style.width = "154px";
            this.GetDateLayer().document.getElementById("L_calendar").style.height = "180px"
            DateLayer.style.width = "158px";
            DateLayer.style.height = "250px";
        }
        //alert(DateLayer.style.display)
        this.SetDay(this.L_TheYear, this.L_TheMonth);
    },
    CloseLayer: function() {
        try {
            var DateLayer = document.getElementById("L_DateLayer");
            if ((DateLayer.style.display == "" || DateLayer.style.display == "block") && arguments[0] != this.ClickObject && arguments[0] != this.InputObject) {
                DateLayer.style.display = "none";
            }
        }
        catch (e) { }
    }
}

document.writeln('<iframe id="L_DateLayer" name="L_DateLayer" frameborder="0" style="position:absolute;width:160px; height:200px;z-index:9998;display:none;"></iframe>');
var L_DateLayer_Parent = null;
var MyCalendar = new L_calendar();
MyCalendar.NewName = "MyCalendar";
document.onclick = function(e) {
    e = window.event || e;
    var srcElement = e.srcElement || e.target;
    MyCalendar.CloseLayer(srcElement);
}