    <!--

/**

* 返回日期

* @param d the delimiter

* @param p the pattern of your date

*/

String.prototype.toDate = function(x, p) 

{

    if(x == null) x = "-";

    if(p == null) p = "ymd";

    var a = this.split(x);

    var y = parseInt(a[p.indexOf("y")]);

    //remember to change this next century ;)

    if(y.toString().length <= 2) y += 2000;

    if(isNaN(y)) y = new Date().getFullYear();

    var m = parseInt(a[p.indexOf("m")]) - 1;

    var d = parseInt(a[p.indexOf("d")]);

    if(isNaN(d)) d = 1;

    return new Date(y, m, d);

}

/**

* 格式化日期

* @param   d the delimiter

* @param   p the pattern of your date

* @author meizz

*/

Date.prototype.format = function(style) 

{

    var o = 

        {

        "M+" : this.getMonth() + 1, //month

        "d+" : this.getDate(),      //day

        "h+" : this.getHours(),     //hour

        "m+" : this.getMinutes(),   //minute

        "s+" : this.getSeconds(),   //second

        "w+" : "天一二三四五六".charAt(this.getDay()),   //week

        "q+" : Math.floor((this.getMonth() + 3) / 3), //quarter

        "S" : this.getMilliseconds() //millisecond

        }

    if(/(y+)/.test(style)) 

    {

            style = style.replace(RegExp.$1,

            (this.getFullYear() + "").substr(4 - RegExp.$1.length));

    }

    for(var k in o)

    {

        if(new RegExp("("+ k +")").test(style))

        {

            style = style.replace(RegExp.$1,

            RegExp.$1.length == 1 ? o[k] :

            ("00" + o[k]).substr(("" + o[k]).length));

        }

    }

    return style;

};

/**

* 日历类

* @param   beginYear 1990

* @param   endYear   2010

* @param   lang      0(中文)|1(英语) 可自由扩充

* @param   dateFormatStyle "yyyy-MM-dd";

* @version 2006-04-01

* @author KimSoft (jinqinghua [at] gmail.com)

* @update

*/

function Calendar(beginYear, endYear, lang, dateFormatStyle) 

{

    this.beginYear = 1990;

    this.endYear = 2010;

    this.lang = 0;            //0(中文) | 1(英文)

    this.dateFormatStyle = "yyyy-MM-dd";

    if (beginYear != null && endYear != null)

    {

        this.beginYear = beginYear;

        this.endYear = endYear;

    }

    if (lang != null)

    {

        this.lang = lang

    }

    if (dateFormatStyle != null)

    {

        this.dateFormatStyle = dateFormatStyle

    }

    this.dateControl = null;

    this.panel = this.getElementById("calendarPanel");

    this.form = null;

    this.date = new Date();

    this.year = this.date.getFullYear();

    this.month = this.date.getMonth();

    this.colors = 

        {

            "cur_word"      : "#FFFFFF", //当日日期文字颜色

            "cur_bg"        : "#00FF00", //当日日期单元格背影色

            "sun_word"      : "#FF0000", //星期天文字颜色

            "sat_word"      : "#0000FF", //星期六文字颜色

            "td_word_light" : "#333333", //单元格文字颜色

            "td_word_dark" : "#CCCCCC", //单元格文字暗色

            "td_bg_out"     : "#EFEFEF", //单元格背影色

            "td_bg_over"    : "#FFCC00", //单元格背影色

            "tr_word"       : "#FFFFFF", //日历头文字颜色

            "tr_bg"         : "#666666", //日历头背影色

            "input_border" : "#CCCCCC", //input控件的边框颜色

            "input_bg"      : "#EFEFEF"   //input控件的背影色

        }

    this.draw();

    this.bindYear();

    this.bindMonth();

    this.changeSelect();

    this.bindData();

}

/**

* 日历类属性（语言包，可自由扩展）

*/

Calendar.language = 

    {

        "year"   : [[""], [""]],

        "months" : [["一月","二月","三月","四月","五月","六月","七月","八月","九月","十月","十一月","十二月"],

                ["JAN","FEB","MAR","APR","MAY","JUN","JUL","AUG","SEP","OCT","NOV","DEC"]

                 ],

        "weeks" : [["日","一","二","三","四","五","六"],

                ["SUN","MON","TUR","WED","THU","FRI","SAT"]

                 ],

        "clear" : [["清空"], ["CLS"]],

        "today" : [["今天"], ["TODAY"]],

        "close" : [["關閉"], ["CLOSE"]]

    }

Calendar.prototype.draw = function() 

{

    calendar = this;

    var mvAry = [];

    mvAry[mvAry.length] = ' <form name="calendarForm" style="margin: 0px;">';

    mvAry[mvAry.length] = '    <table width="100%" border="0" cellpadding="0" cellspacing="1">';

    mvAry[mvAry.length] = '      <tr>';

    mvAry[mvAry.length] = '        <th align="left" width="1%"><input style="border: 1px solid ' + calendar.colors["input_border"] + ';background-color:' + calendar.colors["input_bg"] + ';width:16px;height:20px;" name="prevMonth" type="button" id="prevMonth" value="&lt;" /></th>';

    mvAry[mvAry.length] = '        <th align="center" width="98%" nowrap="nowrap"><select name="calendarYear" id="calendarYear" style="font-size:12px;"></select><select name="calendarMonth" id="calendarMonth" style="font-size:12px;"></select></th>';

    mvAry[mvAry.length] = '        <th align="right" width="1%"><input style="border: 1px solid ' + calendar.colors["input_border"] + ';background-color:' + calendar.colors["input_bg"] + ';width:16px;height:20px;" name="nextMonth" type="button" id="nextMonth" value="&gt;" /></th>';

    mvAry[mvAry.length] = '      </tr>';

    mvAry[mvAry.length] = '    </table>';

    mvAry[mvAry.length] = '    <table id="calendarTable" width="100%" style="border:0px solid #CCCCCC;background-color:#FFFFFF" border="0" cellpadding="3" cellspacing="1">';

    mvAry[mvAry.length] = '      <tr>';

    for(var i = 0; i < 7; i++) 

    {

        mvAry[mvAry.length] = '      <th style="font-weight:normal;background-color:' + calendar.colors["tr_bg"] + ';color:' + calendar.colors["tr_word"] + ';">' + Calendar.language["weeks"][this.lang][i] + '</th>';

    }

    mvAry[mvAry.length] = '      </tr>';

    for(var i = 0; i < 6;i++)

    {

        mvAry[mvAry.length] = '    <tr align="center">';

        for(var j = 0; j < 7; j++) 

        {

              if (j == 0)

              {

                mvAry[mvAry.length] = ' <td style="cursor:default;color:' + calendar.colors["sun_word"] + ';"></td>';

              } else if(j == 6) 

              {

                mvAry[mvAry.length] = ' <td style="cursor:default;color:' + calendar.colors["sat_word"] + ';"></td>';

              } 

              else 

              {

                mvAry[mvAry.length] = ' <td style="cursor:default;"></td>';

              }

        }

        mvAry[mvAry.length] = '    </tr>';

    }

    mvAry[mvAry.length] = '      <tr style="background-color:' + calendar.colors["input_bg"] + ';">';

    mvAry[mvAry.length] = '        <th colspan="2"><input name="calendarClear" type="button" id="calendarClear" value="' + Calendar.language["clear"][this.lang] + '" style="border: 1px solid ' + calendar.colors["input_border"] + ';background-color:' + calendar.colors["input_bg"] + ';width:100%;height:20px;font-size:12px;"/></th>';

    mvAry[mvAry.length] = '        <th colspan="3"><input name="calendarToday" type="button" id="calendarToday" value="' + Calendar.language["today"][this.lang] + '" style="border: 1px solid ' + calendar.colors["input_border"] + ';background-color:' + calendar.colors["input_bg"] + ';width:100%;height:20px;font-size:12px;"/></th>';

    mvAry[mvAry.length] = '        <th colspan="2"><input name="calendarClose" type="button" id="calendarClose" value="' + Calendar.language["close"][this.lang] + '" style="border: 1px solid ' + calendar.colors["input_border"] + ';background-color:' + calendar.colors["input_bg"] + ';width:100%;height:20px;font-size:12px;"/></th>';

    mvAry[mvAry.length] = '      </tr>';

    mvAry[mvAry.length] = '    </table>';

    mvAry[mvAry.length] = ' </form>';

    this.panel.innerHTML = mvAry.join("");

    this.form = document.forms["calendarForm"];

    this.form.prevMonth.onclick = function () {calendar.goPrevMonth(this);}

    this.form.nextMonth.onclick = function () {calendar.goNextMonth(this);}

    this.form.calendarClear.onclick = function () {calendar.dateControl.value = "";calendar.hide();}

    this.form.calendarClose.onclick = function () {calendar.hide();}

    this.form.calendarYear.onchange = function () {calendar.update(this);}

    this.form.calendarMonth.onchange = function () {calendar.update(this);}

    this.form.calendarToday.onclick = function () 

    {

        var today = new Date();

        calendar.date = today;

        calendar.year = today.getFullYear();

        calendar.month = today.getMonth();

        calendar.changeSelect();

        calendar.bindData();

        calendar.dateControl.value = today.format(calendar.dateFormatStyle);

        calendar.hide();

    }

}

//年份下拉框绑定数据

Calendar.prototype.bindYear = function() 

{

    var cy = this.form.calendarYear;

    cy.length = 0;

    for (var i = this.beginYear; i <= this.endYear; i++)

    {

        cy.options[cy.length] = new Option(i + Calendar.language["year"][this.lang], i);

    }

}

//月份下拉框绑定数据

Calendar.prototype.bindMonth = function() 

{

    var cm = this.form.calendarMonth;

    cm.length = 0;

    for (var i = 0; i < 12; i++)

    {

        cm.options[cm.length] = new Option(Calendar.language["months"][this.lang][i], i);

    }

}

//向前一月

Calendar.prototype.goPrevMonth = function(e)

{

    if (this.year == this.beginYear && this.month == 0){return;}

    this.month--;

    if (this.month == -1) 

    {

        this.year--;

        this.month = 11;

    }

    this.date = new Date(this.year, this.month, 1);

    this.changeSelect();

    this.bindData();

}

//向后一月

Calendar.prototype.goNextMonth = function(e)

{

    if (this.year == this.endYear && this.month == 11){return;}

    this.month++;

    if (this.month == 12) 

    {

        this.year++;

        this.month = 0;

    }

    this.date = new Date(this.year, this.month, 1);

    this.changeSelect();

    this.bindData();

}

//改变SELECT选中状态

Calendar.prototype.changeSelect = function() 

{

    var cy = this.form.calendarYear;

    var cm = this.form.calendarMonth;

    for (var i= 0; i < cy.length; i++)

    {

        if (cy.options[i].value == this.date.getFullYear())

        {

          cy[i].selected = true;

          break;

        }

    }

    for (var i= 0; i < cm.length; i++)

    {

        if (cm.options[i].value == this.date.getMonth())

        {

            cm[i].selected = true;

            break;

        }

    }

}

//更新年、月

Calendar.prototype.update = function (e)

{

    this.year = e.form.calendarYear.options[e.form.calendarYear.selectedIndex].value;

    this.month = e.form.calendarMonth.options[e.form.calendarMonth.selectedIndex].value;

    this.date = new Date(this.year, this.month, 1);

    this.changeSelect();

    this.bindData();

}

//绑定数据到月视图

Calendar.prototype.bindData = function () 

{

    var calendar = this;

    var dateArray = this.getMonthViewArray(this.date.getYear(), this.date.getMonth());

    var tds = this.getElementById("calendarTable").getElementsByTagName("td");

    for(var i = 0; i < tds.length; i++) 

    {

        //tds[i].style.color = calendar.colors["td_word_light"];

        tds[i].style.backgroundColor = calendar.colors["td_bg_out"];

        tds[i].onclick = function () {return;}

        tds[i].onmouseover = function () {return;}

        tds[i].onmouseout = function () {return;}

        if (i > dateArray.length - 1) break;

        tds[i].innerHTML = dateArray[i];

        if (dateArray[i] != "&nbsp;")

        {

              tds[i].onclick = function () 

                {

                    if (calendar.dateControl != null)

                    {

                      calendar.dateControl.value = new Date(calendar.date.getFullYear(),calendar.date.getMonth(),this.innerHTML).format(calendar.dateFormatStyle);

                    }

                    calendar.hide();

                }

              tds[i].onmouseover = function () 

              {

                this.style.backgroundColor = calendar.colors["td_bg_over"];

              }

              tds[i].onmouseout = function () 

              {

                this.style.backgroundColor = calendar.colors["td_bg_out"];

              }

              if (new Date().format(calendar.dateFormatStyle) ==

                  new Date(calendar.date.getFullYear(),

                           calendar.date.getMonth(),

                           dateArray[i]).format(calendar.dateFormatStyle)) 

                {

                    //tds[i].style.color = calendar.colors["cur_word"];

                    tds[i].style.backgroundColor = calendar.colors["cur_bg"];

                    tds[i].onmouseover = function () 

                    {

                      this.style.backgroundColor = calendar.colors["td_bg_over"];

                    }

                    tds[i].onmouseout = function ()

                    {

                      this.style.backgroundColor = calendar.colors["cur_bg"];

                    }

                }//end if

            }

    }

}

//根据年、月得到月视图数据(数组形式)

Calendar.prototype.getMonthViewArray = function (y, m) 

{

    var mvArray = [];

    var dayOfFirstDay = new Date(y, m, 1).getDay();

    var daysOfMonth = new Date(y, m + 1, 0).getDate();

    for (var i = 0; i < 42; i++) 

    {

        mvArray[i] = "&nbsp;";

    }

    for (var i = 0; i < daysOfMonth; i++)

    {

        mvArray[i + dayOfFirstDay] = i + 1;

    }

    return mvArray;

}

//扩展 document.getElementById(id) 多浏览器兼容性 from meizz tree source

Calendar.prototype.getElementById = function(id)

{

    if (typeof(id) != "string" || id == "") return null;

    if (document.getElementById) return document.getElementById(id);

    if (document.all) return document.all(id);

    try {return eval(id);} catch(e){ return null;}

}

//扩展 object.getElementsByTagName(tagName)

Calendar.prototype.getElementsByTagName = function(object, tagName)

{

    if (document.getElementsByTagName) return document.getElementsByTagName(tagName);

    if (document.all) return document.all.tags(tagName);

}

//取得HTML控件绝对位置

Calendar.prototype.getAbsPoint = function (e)

{

    var x = e.offsetLeft;

    var y = e.offsetTop;

    while(e = e.offsetParent)

    {

        x += e.offsetLeft;

        y += e.offsetTop;

    }

    return {"x": x, "y": y};

}

//显示日历

Calendar.prototype.show = function (dateControl, popControl)

{

    if (dateControl == null)

    {

        throw new Error("arguments[0] is necessary")

    }

    this.dateControl = dateControl;

    if (dateControl.value.length > 0)

    {

        this.date = new Date(dateControl.value.toDate());

        this.year = this.date.getFullYear();

        this.month = this.date.getMonth();

            this.changeSelect();

            this.bindData();

    }

    if (popControl == null)

    {

        popControl = dateControl;

    }

    var xy = this.getAbsPoint(popControl);

    this.panel.style.left = xy.x + "px";

    this.panel.style.top = (xy.y + dateControl.offsetHeight) + "px";

    this.setDisplayStyle("select", "hidden");

    this.panel.style.visibility = "visible";

}

//隐藏日历

Calendar.prototype.hide = function() 

{

    this.setDisplayStyle("select", "visible");

    this.panel.style.visibility = "hidden";

}

//设置控件显示或隐藏

Calendar.prototype.setDisplayStyle = function(tagName, style) 

{

    var tags = this.getElementsByTagName(null, tagName)

    for(var i = 0; i < tags.length; i++) 

    {

        if (tagName.toLowerCase() == "select" &&(tags[i].name == "calendarYear" ||tags[i].name == "calendarMonth"))

        {

          continue;

        }

        tags[i].style.visibility = style;

    }

}

document.write('<div id="calendarPanel" style="position: absolute;visibility: hidden;z-index: 9999;background-color: #FFFFFF;border: 1px solid #CCCCCC;width:175px;font-size:12px;"></div>');

var calendar = new Calendar();

//调用calendar.show(dateControl, popControl);

//-->

// JavaScript Document