兼容FireFox 的 js 日历 支持时间的获取

var cal; 
var isFocus=false; //是否为焦点 
var pickMode ={ 
"second":1, 
"minute":2, 
"hour":3, 
"day":4, 
"month":5, 
"year":6 }; 

var topY=0,leftX=0; //自定义定位偏移量 2007-02-11 由 寒羽枫添加 
//选择日期 → 由 寒羽枫 2007-06-10 添加，通过 ID 来选日期 
function SelectDateById(id,strFormat,x,y) 
{ 
    var obj = document.getElementById(id); 
    if(obj == null){return false;} 
    obj.focus(); 
    if(obj.onclick != null){obj.onclick();} 
    else if(obj.click != null){obj.click();} 
    else{SelectDate(obj,strFormat,x,y)} 
} 

//选择日期 → 由 寒羽枫 2006-06-25 添加 
function SelectDate(obj,strFormat,x,y) 
{ 

    leftX =(x == null) ? leftX : x; 
    topY =(y == null) ? topY : y;//自定义定位偏移量 2007-02-11 由 寒羽枫添加     
    if(document.getElementById("ContainerPanel")==null){InitContainerPanel();} 
var date = new Date(); 
var by = date.getFullYear()-50; //最小值 → 50 年前 
var ey = date.getFullYear() 50; //最大值 → 50 年后 
//cal = new Calendar(by, ey,1,strFormat); //初始化英文版，0 为中文版 
cal = (cal==null) ? new Calendar(by, ey, 0) : cal; //不用每次都初始化 2006-12-03 修正 
cal.DateMode =pickMode["second"]; //复位 
if(strFormat.indexOf('s')< 0) {cal.DateMode =pickMode["minute"];}//精度为分 
if(strFormat.indexOf('m')< 0) {cal.DateMode =pickMode["hour"];}//精度为时 
if(strFormat.indexOf('h')< 0) {cal.DateMode =pickMode["day"];}//精度为日 
if(strFormat.indexOf('d')< 0) {cal.DateMode =pickMode["month"];}//精度为月 
if(strFormat.indexOf('M')< 0) {cal.DateMode =pickMode["year"];}//精度为年 
if(strFormat.indexOf('y')< 0) {cal.DateMode =pickMode["second"];}//默认精度为秒 
cal.dateFormatStyleOld = cal.dateFormatStyle; 
cal.dateFormatStyle = strFormat; 
cal.show(obj); 
} 
/**//**//**//**//**//**//**//** 
* 返回日期 
* @param d the delimiter 
* @param p the pattern of your date 
2006-06-25 由 寒羽枫 修改为根据用户指定的 style 来确定； 
*/ 
String.prototype.toDate = function(style) { 
var y = this.substring(style.indexOf('y'),style.lastIndexOf('y') 1);//年 
var M = this.substring(style.indexOf('M'),style.lastIndexOf('M') 1);//月 
var d = this.substring(style.indexOf('d'),style.lastIndexOf('d') 1);//日 
var h = this.substring(style.indexOf('h'),style.lastIndexOf('h') 1);//时 
var m = this.substring(style.indexOf('m'),style.lastIndexOf('m') 1);//分 
var s = this.substring(style.indexOf('s'),style.lastIndexOf('s') 1);//秒 

if(s == null ||s == "" || isNaN(s)) {s = new Date().getSeconds();} 
if(m == null ||m == "" || isNaN(m)) {m = new Date().getMinutes();} 
if(h == null ||h == "" || isNaN(h)) {h = new Date().getHours();} 
if(d == null ||d == "" || isNaN(d)) {d = new Date().getDate();} 
if(M == null ||M == "" || isNaN(M)) {M = new Date().getMonth() 1;} 
if(y == null ||y == "" || isNaN(y)) {y = new Date().getFullYear();} 
var dt ; 
eval ("dt = new Date('"  y "', '" (M-1) "','"  d "','"  h "','"  m "','"  s  "')"); 
return dt; 
} 

/**//**//**//**//**//**//**//** 
* 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., 
(this.getFullYear()   "").substr(4 - RegExp..length)); 
} 
for(var k in o){ 
if(new RegExp("("  k  ")").test(style)){ 
style = style.replace(RegExp., 
RegExp..length == 1 ? o[k] : 
("00"   o[k]).substr((""   o[k]).length)); 
} 
} 
return style; 
} 

//2007-09-14 由寒羽枫添加返回所选日期 
Calendar.prototype.ReturnDate = function(dt) { 
if (this.dateControl != null){this.dateControl.value = dt;} 
calendar.hide(); 
    if(this.dateControl.onchange == null){return;}     
    //将 onchange 转成其它函数，以免触发验证事件 
var ev = this.dateControl.onchange.toString(); //找出函数的字串 
ev = ev.substring( 
            ((ev.indexOf("ValidatorOnChange();")> 0) ? ev.indexOf("ValidatorOnChange();")   20 : ev.indexOf("{")   1) 
                , ev.lastIndexOf("}"));//去除验证函数 ValidatorOnChange(); 
    var fun = new Function(ev);        //重新定义函数 
    this.dateControl.changeEvent = fun;     
this.dateControl.changeEvent();//触发自定义 changeEvent 函数 
} 

/**//**//**//**//**//**//**//** 
* 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 = 1950; 
this.endYear = 2050; 
this.lang = 0; //0(中文) | 1(英文) 
this.dateFormatStyle = "yyyy-MM-dd hh:mm:ss"; 

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.container = this.getElementById("ContainerPanel"); 
this.form = null; 

this.date = new Date(); 
this.year = this.date.getFullYear(); 
this.month = this.date.getMonth(); 

this.day = this.date.getDate(); 
this.hour = this.date.getHours(); 
this.minute = this.date.getMinutes(); 
this.second = this.date.getSeconds(); 

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 
"sel_bg" : "#FFCCCC", //已被选择的日期单元格背影色 2006-12-03 寒羽枫添加 
"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 
} 
/* //2008-01-29 放到了 show ，因为要做 pickMode 判断 
this.draw(); 
this.bindYear(); 
this.bindMonth(); 
*/ 
//this.changeSelect(); 
//this.bindData(); //2006-12-30 由民工.砖家注释 
} 

/**//**//**//**//**//**//**//** 
* 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"] 
], 
"hour" : [["时"], ["H"]], 
"minute" : [["分"], ["M"]], 
"second" : [["秒"], ["S"]], 
"clear" : [["清空"], ["CLS"]], 
"today" : [["今天"], ["TODAY"]], 
"pickTxt" : [["确定"], ["OK"]],//pickMode 精确到年、月时把今天变成“确定” 
"close" : [["关闭"], ["CLOSE"]] 
} 

Calendar.prototype.draw = function() { 
calendar = this; 

var mvAry = []; 
//mvAry[mvAry.length] = ' <form name="calendarForm" style="margin: 0px;">'; //因 <form> 不能嵌套， 2006-12-01 由寒羽枫改用 Div 
mvAry[mvAry.length] = ' <div name="calendarForm" style="margin: 0px;">'; 
mvAry[mvAry.length] = ' <table width="100%" border="0" cellpadding="0" cellspacing="1" style="font-size:12px;">'; 
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;'; 
if(calendar.DateMode > pickMode["month"]){mvAry[mvAry.length] = 'display:none;';}//pickMode 精确到年时隐藏“月” 
mvAry[mvAry.length] ='" 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;'; 
if(calendar.DateMode > pickMode["month"]){mvAry[mvAry.length] = 'display:none;';}//pickMode 精确到年时隐藏“月” 
mvAry[mvAry.length] = '"></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;'; 
if(calendar.DateMode > pickMode["month"]){mvAry[mvAry.length] = 'display:none;';}//pickMode 精确到年时隐藏“月” 
mvAry[mvAry.length] ='" 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;font-size:12px;'; 
if(calendar.DateMode >= pickMode["month"]){mvAry[mvAry.length] = 'display:none;';}//pickMode 精确到年、月时隐藏“天” 
mvAry[mvAry.length] = '" 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>'; 
} 

//2009-03-03 添加的代码，放置时间的行 
mvAry[mvAry.length] = ' <tr style="'; 
if(calendar.DateMode >= pickMode["day"]){mvAry[mvAry.length] = 'display:none;';}//pickMode 精确到时日隐藏“时间” 
mvAry[mvAry.length] = '"><td align="center" colspan="7">'; 
mvAry[mvAry.length] = ' <select name="calendarHour" id="calendarHour" style="font-size:12px;"></select>'   Calendar.language["hour"][this.lang]; 
mvAry[mvAry.length] = '<span style="' 
if(calendar.DateMode >= pickMode["hour"]){mvAry[mvAry.length] = 'display:none;';}//pickMode 精确到小时时隐藏“分” 
mvAry[mvAry.length] = '"><select name="calendarMinute" id="calendarMinute" style="font-size:12px;"></select>'   Calendar.language["minute"][this.lang] '</span>'; 
mvAry[mvAry.length] = '<span style="' 
if(calendar.DateMode >= pickMode["minute"]){mvAry[mvAry.length] = 'display:none;';}//pickMode 精确到小时、分时隐藏“秒” 
mvAry[mvAry.length] = '"><select name="calendarSecond" id="calendarSecond" style="font-size:12px;"></select>'  Calendar.language["second"][this.lang] '</span>'; 
mvAry[mvAry.length] = ' </td></tr>'; 

mvAry[mvAry.length] = ' </table>'; 
//mvAry[mvAry.length] = ' </from>'; 
mvAry[mvAry.length] = ' <div align="center" style="padding:4px 4px 4px 4px;background-color:'   calendar.colors["input_bg"]   ';">'; 
mvAry[mvAry.length] = ' <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:40px;height:20px;font-size:12px;cursor:pointer;"/>'; 
mvAry[mvAry.length] = ' <input name="calendarToday" type="button" id="calendarToday" value="' 
mvAry[mvAry.length] = (calendar.DateMode == pickMode["day"]) ? Calendar.language["today"][this.lang] : Calendar.language["pickTxt"][this.lang]; 
mvAry[mvAry.length] = '" style="border: 1px solid '   calendar.colors["input_border"]   ';background-color:'   calendar.colors["input_bg"]   ';width:60px;height:20px;font-size:12px;cursor:pointer"/>'; 
mvAry[mvAry.length] = ' <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:40px;height:20px;font-size:12px;cursor:pointer"/>'; 
mvAry[mvAry.length] = ' </div>'; 

mvAry[mvAry.length] = ' </div>'; 
this.panel.innerHTML = mvAry.join(""); 

/**//**//**//******** 以下代码由寒羽枫 2006-12-01 添加 **********/ 
var obj = this.getElementById("prevMonth"); 
obj.onclick = function () {calendar.goPrevMonth(calendar);} 
obj.onblur = function () {calendar.onblur();} 
this.prevMonth= obj; 

obj = this.getElementById("nextMonth"); 
obj.onclick = function () {calendar.goNextMonth(calendar);} 
obj.onblur = function () {calendar.onblur();} 
this.nextMonth= obj; 

obj = this.getElementById("calendarClear"); 
obj.onclick = function () 
{ calendar.ReturnDate(""); /*calendar.dateControl.value = "";calendar.hide();*///2007-09-14 由寒羽枫注释 
} 
this.calendarClear = obj; 

obj = this.getElementById("calendarClose"); 
obj.onclick = function () {calendar.hide();} 
this.calendarClose = obj; 

obj = this.getElementById("calendarYear"); 
obj.onchange = function () {calendar.update(calendar);} 
obj.onblur = function () {calendar.onblur();} 
this.calendarYear = obj; 

obj = this.getElementById("calendarMonth"); 
with(obj) 
{ 
onchange = function () {calendar.update(calendar);} 
onblur = function () {calendar.onblur();} 
}this.calendarMonth = obj; 

obj = this.getElementById("calendarHour"); 
obj.onchange = function () {calendar.hour = this.options[this.selectedIndex].value;} 
obj.onblur = function () {calendar.onblur();} 
this.calendarHour = obj; 

obj = this.getElementById("calendarMinute"); 
obj.onchange = function () {calendar.minute = this.options[this.selectedIndex].value;} 
obj.onblur = function () {calendar.onblur();} 
this.calendarMinute = obj; 

obj = this.getElementById("calendarSecond"); 
obj.onchange = function () {calendar.second = this.options[this.selectedIndex].value;} 
obj.onblur = function () {calendar.onblur();} 
this.calendarSecond = obj; 

obj = this.getElementById("calendarToday"); 
obj.onclick = function () { 
var today = (calendar.DateMode != pickMode["day"]) ? 
new Date(calendar.year,calendar.month,calendar.day,calendar.hour,calendar.minute,calendar.second) 
: new Date();//2008-01-29 
calendar.ReturnDate(today.format(calendar.dateFormatStyle)); 
} 
this.calendarToday = obj; 
} 

//年份下拉框绑定数据 
Calendar.prototype.bindYear = function() { 
var cy = this.calendarYear;//2006-12-01 由寒羽枫修改 
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.calendarMonth;//2006-12-01 由寒羽枫修改 
cm.length = 0; 
for (var i = 0; i < 12; i  ){ 
cm.options[cm.length] = new Option(Calendar.language["months"][this.lang][i], i); 
} 
} 

//小时下拉框绑定数据 
Calendar.prototype.bindHour = function() { 
var ch = this.calendarHour; 
if(ch.length > 0){return;}//2009-03-03 不需要重新绑定，提高性能 
//ch.length = 0; 
var h; 
for (var i = 0; i < 24; i  ){ 
h = ("00"   i  "").substr((""   i).length); 
ch.options[ch.length] = new Option(h, h); 
} 
} 

//分钟下拉框绑定数据 
Calendar.prototype.bindMinute = function() { 
var cM = this.calendarMinute; 
if(cM.length > 0){return;}//2009-03-03 不需要重新绑定，提高性能 
//cM.length = 0; 
var M; 
for (var i = 0; i < 60; i  ){ 
M = ("00"   i  "").substr((""   i).length); 
cM.options[cM.length] = new Option(M, M); 
} 
} 

//秒钟下拉框绑定数据 
Calendar.prototype.bindSecond = function() { 
var cs = this.calendarSecond; 
if(cs.length > 0){return;}//2009-03-03 不需要重新绑定，提高性能 
//cs.length = 0; 
var s; 
for (var i = 0; i < 60; i  ){ 
s = ("00"   i  "").substr((""   i).length); 
cs.options[cs.length] = new Option(s, s); 
} 
} 

//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.calendarYear;//2006-12-01 由寒羽枫修改 
var cm = this.calendarMonth; 
var ch = this.calendarHour; 
var cM = this.calendarMinute; 
var cs = this.calendarSecond; 
//2006-12-30 由民工.砖家修改，减少运算次数 
cy[this.date.getFullYear()-this.beginYear].selected = true; 
cm[this.date.getMonth()].selected =true; 

//2009-03-03 添加，初始化时间的值 
ch[this.hour].selected =true; 
cM[this.minute].selected =true; 
cs[this.second].selected =true; 
} 

//更新年、月 
Calendar.prototype.update = function (e){ 
this.year = e.calendarYear.options[e.calendarYear.selectedIndex].value;//2006-12-01 由寒羽枫修改 
this.month = e.calendarMonth.options[e.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; 
    if(calendar.DateMode >= pickMode["month"]){return;}//2008-01-29 
// var dateArray = this.getMonthViewArray(this.date.getYear(), this.date.getMonth()); 
//2006-12-30 由民工.砖家修改 在Firefox 下年份错误 
var dateArray = this.getMonthViewArray(this.date.getFullYear(), this.date.getMonth()); 
var tds = this.getElementById("calendarTable").getElementsByTagName("td"); 
for(var i = 0; i < tds.length; i  ) { 
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].bgColorTxt = "td_bg_out"; //2009-03-03 保存背景色的class 
var cur = new Date(); 
tds[i].isToday = false; 
if (cur.getFullYear() == calendar.date.getFullYear() && cur.getMonth() == calendar.date.getMonth() && cur.getDate() == dateArray[i]) { 
//是今天的单元格 
tds[i].style.backgroundColor = calendar.colors["cur_bg"]; 
tds[i].bgColorTxt = "cur_bg"; 
tds[i].isToday = true; 
} 
if(calendar.dateControl != null ) 
{ 
cur = calendar.dateControl.value.toDate(calendar.dateFormatStyle); 
if (cur.getFullYear() == calendar.date.getFullYear() && cur.getMonth() == calendar.date.getMonth()&& cur.getDate() == dateArray[i]) { 
//是已被选中的单元格 
calendar.selectedDayTD = tds[i]; 
tds[i].style.backgroundColor = calendar.colors["sel_bg"]; 
tds[i].bgColorTxt = "sel_bg"; 
} 
} 
tds[i].onclick = function () { 
if(calendar.DateMode == pickMode["day"]) //2009-03-03 当选择日期时，点击格子即返回值 
{ 
calendar.ReturnDate(new Date(calendar.date.getFullYear(), 
calendar.date.getMonth(), 
this.innerHTML).format(calendar.dateFormatStyle)); 
} 
else 
{ 
if(calendar.selectedDayTD != null) //2009-03-03 清除已选中的背景色 
{ 
calendar.selectedDayTD.style.backgroundColor =(calendar.selectedDayTD.isToday)? calendar.colors["cur_bg"] : calendar.colors["td_bg_out"]; 
} 
this.style.backgroundColor = calendar.colors["sel_bg"]; 
calendar.day = this.innerHTML; 
calendar.selectedDayTD = this; //2009-03-03 记录已选中的日子 
} 
} 
tds[i].style.cursor ="pointer"; //2007-08-06 由寒羽枫添加，鼠标变成手指状 
tds[i].onmouseover = function () { 
this.style.backgroundColor = calendar.colors["td_bg_over"]; 
} 
tds[i].onmouseout = function () { 
if(calendar.selectedDayTD != this) { 
this.style.backgroundColor = calendar.colors[this.bgColorTxt];} 
} 
tds[i].onblur = function () {calendar.onblur();} 
} 
} 
} 

//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 (dateObj, popControl) { 
if (dateObj == null){ 
throw new Error("arguments[0] is necessary") 
} 
this.dateControl = dateObj; 
var now = new Date(); 
this.date = (dateObj.value.length > 0) ? new Date(dateObj.value.toDate(this.dateFormatStyle)) : now.format(this.dateFormatStyle).toDate(this.dateFormatStyle) ;//2008-01-29 寒羽枫添加 → 若为空则根据dateFormatStyle初始化日期 

if(this.panel.innerHTML==""||cal.dateFormatStyleOld != cal.dateFormatStyle)//2008-01-29 把构造表格放在此处，2009-03-03 若请示的样式改变，则重新初始化 
{ 
    this.draw(); 
    this.bindYear(); 
    this.bindMonth(); 
    this.bindHour(); 
    this.bindMinute(); 
    this.bindSecond(); 
} 
this.year = this.date.getFullYear(); 
this.month = this.date.getMonth(); 
this.day = this.date.getDate(); 
this.hour = this.date.getHours(); 
this.minute = this.date.getMinutes(); 
this.second = this.date.getSeconds(); 
this.changeSelect(); 
this.bindData(); 

if (popControl == null){ 
popControl = dateObj; 
} 
var xy = this.getAbsPoint(popControl); 
//this.panel.style.left = xy.x   "px"; 
//this.panel.style.top = (xy.y   dateObj.offsetHeight)   "px"; 
this.panel.style.left = (xy.x   leftX)  "px"; //由寒羽枫 2007-02-11 修改 → 加入自定义偏移量 
this.panel.style.top = (xy.y   topY   dateObj.offsetHeight)   "px"; 

//由寒羽枫 2006-06-25 修改 → 把 visibility 变为 display，并添加失去焦点的事件 //this.setDisplayStyle("select", "hidden"); 
//this.panel.style.visibility = "visible"; 
//this.container.style.visibility = "visible"; 
this.panel.style.display = ""; 
this.container.style.display = ""; 

if( !this.dateControl.isTransEvent) 
{ 
    this.dateControl.isTransEvent = true; 
    /* 已写在返回值的时候 ReturnDate 函数中，去除验证事件的函数 
    this.dateControl.changeEvent = this.dateControl.onchange;//将 onchange 转成其它函数，以免触发验证事件 
    this.dateControl.onchange = function() 
    {if(typeof(this.changeEvent) =='function'){this.changeEvent();}}*/ 
    if(this.dateControl.onblur != null){ 
    this.dateControl.blurEvent = this.dateControl.onblur;}//2007-09-14 保存主文本框的 onblur ，使其原本的事件不被覆盖 
    this.dateControl.onblur = function() 
    {calendar.onblur();if(typeof(this.blurEvent) =='function'){this.blurEvent();} 
    } 
} 

this.container.onmouseover = function(){isFocus=true;} 
this.container.onmouseout = function(){isFocus=false;} 
} 

//隐藏日历 
Calendar.prototype.hide = function() { 
//this.setDisplayStyle("select", "visible"); 
//this.panel.style.visibility = "hidden"; 
//this.container.style.visibility = "hidden"; 
this.panel.style.display = "none"; 
this.container.style.display = "none"; 
isFocus=false; 
} 

//焦点转移时隐藏日历 → 由寒羽枫 2006-06-25 添加 
Calendar.prototype.onblur = function() { 
if(!isFocus){this.hide();} 
} 

//以下由寒羽枫 2007-07-26 修改 → 确保日历容器节点在 body 最后，否则 FireFox 中不能出现在最上方 
function InitContainerPanel() //初始化容器 
{ 
    var str = '<div id="calendarPanel" style="position: absolute;display: none;z-index:9999; background-color: #FFFFFF;border: 1px solid #CCCCCC;width:175px;font-size:12px;"></div>'; 
    if(document.all) 
    { 
        str  = '<iframe style="position:absolute;z-index:2000;width:expression(this.previousSibling.offsetWidth);'; 
        str  = 'height:expression(this.previousSibling.offsetHeight);'; 
        str  = 'left:expression(this.previousSibling.offsetLeft);top:expression(this.previousSibling.offsetTop);'; 
        str  = 'display:expression(this.previousSibling.style.display);" scrolling="no" frameborder="no"></iframe>'; 
    } 
    var div = document.createElement("div"); 
    div.innerHTML = str; 
    div.id = "ContainerPanel"; 
    div.style.display ="none"; 
    document.body.appendChild(div); 
}//调用calendar.show(dateControl, popControl); 
//-->

将上述代码另存为 WebCalendar.js，页面调用代码

调用方法：
1、传入对象：SelectDate(this,'yyyy 年')
2、传入 ID：SelectDateById('Txt_CreateDateST01','yyyy 年')
3、参数 SelectDate(this,'yyyy 年',0,-150)
格式（注意大小写）：yyyy→年，MM→月，dd→天，hh→24小时制，mm→分钟，ss→秒
0 → 相对于文本框的横向偏移量
-150 → 相对于文本框的纵向偏移量