ASP.net下的前台日历控件源代码(不刷新页面)Calendar .js

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这是一个JavaScript实现的ASP.NET前端日历控件，名为Calendar.js，功能包括显示月份和年份的下拉框，支持不刷新页面选择日期。控件提供了初始化、事件处理和样式切换等方法，可用于网页中方便用户选择日期。

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//Calendar .js

//目的：月历
/*参数：
// xx. YYYY/MM/DD VER AUTHOR COMMENTS
1. 2004/08/26 1.00 Michael New Create
* ---------------------------------------------------------------------
*/
/** The Calendar object constructor. */
var dateType=0;
var ChinaDateFlg=false;
var FirstOpenFlg=true;
Calendar = function (mondayFirst, dateStr, onSelected, onClose) {
// member variables
this.activeDiv = null;
this.currentDateEl = null;
this.checkDisabled = null;
this.timeout = null;
this.onSelected = onSelected || null;
this.onClose = onClose || null;
this.dragging = false;
this.hidden = false;
this.minYear = 1970;
this.maxYear = 2050;
this.dateFormat =
this.ttDateFormat = Calendar._TT["TT_DATE_FORMAT"];
this.isPopup = true;
this.weekNumbers = true;
this.mondayFirst = mondayFirst;
this.dateStr = dateStr;
this.ar_days = null;
// HTML elements
this.table = null;
this.element = null;
this.tbody = null;
this.firstdayname = null;
// Combo boxes
this.monthsCombo = null;
this.yearsCombo = null;
this.hilitedMonth = null;
this.activeMonth = null;
this.hilitedYear = null;
this.activeYear = null;

// one-time initializations
if (!Calendar._DN3) {
  // table of short day names
  var ar = new Array();
  for (var i = 8; i > 0;) {
   ar[--i] = Calendar._DN[i].substr(0, 3);
  }
  Calendar._DN3 = ar;
  // table of short month names
  ar = new Array();
  for (var i = 12; i > 0;) {
   ar[--i] = Calendar._MN[i].substr(0, 3);
  }
  Calendar._MN3 = ar;
}
};

// ** constants

/// "static", needed for event handlers.
Calendar._C = null;

/// detect a special case of "web browser"
Calendar.is_ie = ( (navigator.userAgent.toLowerCase().indexOf("msie") != -1) &&
(navigator.userAgent.toLowerCase().indexOf("opera") == -1) );

// short day names array (initialized at first constructor call)
Calendar._DN3 = null;

// short month names array (initialized at first constructor call)
Calendar._MN3 = null;

// BEGIN: UTILITY FUNCTIONS; beware that these might be moved into a separate
// library, at some point.

Calendar.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;
};

Calendar.isRelated = function (el, evt) {
var related = evt.relatedTarget;
if (!related) {
  var type = evt.type;
  if (type == "mouseover") {
   related = evt.fromElement;
  } else if (type == "mouseout") {
   related = evt.toElement;
  }
}
while (related) {
  if (related == el) {
   return true;
  }
  related = related.parentNode;
}
return false;
};

Calendar.removeClass = function(el, className) {
if (!(el && el.className)) {
  return;
}
var cls = el.className.split(" ");
var ar = new Array();
for (var i = cls.length; i > 0;) {
  if (cls[--i] != className) {
   ar[ar.length] = cls[i];
  }
}
el.className = ar.join(" ");
};

Calendar.addClass = function(el, className) {
Calendar.removeClass(el, className);
el.className += " " + className;
};

Calendar.getElement = function(ev) {
if (Calendar.is_ie) {
return window.event.srcElement;
} else {
return ev.currentTarget;
}
};

Calendar.getTargetElement = function(ev) {
if (Calendar.is_ie) {
return window.event.srcElement;
} else {
return ev.target;
}
};

Calendar.stopEvent = function(ev) {
if (Calendar.is_ie) {
  window.event.cancelBubble = true;
  window.event.returnValue = false;
} else {
  ev.preventDefault();
  ev.stopPropagation();
}
};

Calendar.addEvent = function(el, evname, func) {
if (Calendar.is_ie) {
el.attachEvent("on" + evname, func);
} else {
el.addEventListener(evname, func, true);
}
};

Calendar.removeEvent = function(el, evname, func) {
if (Calendar.is_ie) {
el.detachEvent("on" + evname, func);
} else {
el.removeEventListener(evname, func, true);
}
};

Calendar.createElement = function(type, parent) {
var el = null;
if (document.createElementNS) {
  el = document.createElementNS("", type);
} else {
  el = document.createElement(type);
}
if (typeof parent != "undefined") {
  parent.appendChild(el);
}
return el;
};

Calendar._add_evs = function(el) {
with (Calendar) {
  addEvent(el, "mouseover", dayMouseOver);
  addEvent(el, "mousedown", dayMouseDown);
  addEvent(el, "mouseout", dayMouseOut);
  if (is_ie) {
   addEvent(el, "dblclick", dayMouseDblClick);
   el.setAttribute("unselectable", true);
  }
}
};

Calendar.findMonth = function(el) {
if (typeof el.month != "undefined") {
return el;
} else if (typeof el.parentNode.month != "undefined") {
return el.parentNode;
}
return null;
};

Calendar.findYear = function(el) {
if (typeof el.year != "undefined") {
return el;
} else if (typeof el.parentNode.year != "undefined") {
return el.parentNode;
}
return null;
};

Calendar.showMonthsCombo = function () {
var cal = Calendar._C;
if (!cal) {
  return false;
}
var cal = cal;
var cd = cal.activeDiv;
var mc = cal.monthsCombo;
if (cal.hilitedMonth) {
  Calendar.removeClass(cal.hilitedMonth, "hilite");
}
if (cal.activeMonth) {
  Calendar.removeClass(cal.activeMonth, "active");
}
var mon = cal.monthsCombo.getElementsByTagName("div")[cal.date.getMonth()];
Calendar.addClass(mon, "active");
cal.activeMonth = mon;
mc.style.left = cd.offsetLeft + "px";
mc.style.top = (cd.offsetTop + cd.offsetHeight) + "px";
mc.style.display = "block";
};

Calendar.showYearsCombo = function (fwd) {
var cal = Calendar._C;
if (!cal) {
  return false;
}
var cal = cal;
var cd = cal.activeDiv;
var yc = cal.yearsCombo;
if (cal.hilitedYear) {
  Calendar.removeClass(cal.hilitedYear, "hilite");
}
if (cal.activeYear) {
  Calendar.removeClass(cal.activeYear, "active");
}
cal.activeYear = null;
var Y = cal.date.getFullYear() + (fwd ? 1 : -1);
var yr = yc.firstChild;
var show = false;
for (var i = 12; i > 0; --i) {
  if (Y >= cal.minYear && Y <= cal.maxYear) {
   yr.firstChild.data = Y;
   yr.year = Y;
   yr.style.display = "block";
   show = true;
  } else {
   yr.style.display = "none";
  }
  yr = yr.nextSibling;
  Y += fwd ? 2 : -2;
}
if (show) {
  yc.style.left = cd.offsetLeft + "px";
  yc.style.top = (cd.offsetTop + cd.offsetHeight) + "px";
  yc.style.display = "block";
}
};

// event handlers

Calendar.tableMouseUp = function(ev) {

var cal = Calendar._C;
if (!cal) {
  return false;
}
if (cal.timeout) {
  clearTimeout(cal.timeout);
}
var el = cal.activeDiv;
if (!el) {
  return false;
}
var target = Calendar.getTargetElement(ev);

Calendar.removeClass(el, "active");
if (target == el || target.parentNode == el) {
  Calendar.cellClick(el);
}
var mon = Calendar.findMonth(target);
var date = null;
if (mon) {
  date = new Date(cal.date);
  if (mon.month != date.getMonth()) {
   date.setMonth(mon.month);
   cal.setDate(date);
  }
} else {
  var year = Calendar.findYear(target);
  if (year) {
   date = new Date(cal.date);
   if (year.year != date.getFullYear()) {
    date.setFullYear(year.year);
    cal.setDate(date);
   }
  }
}
with (Calendar) {
  removeEvent(document, "mouseup", tableMouseUp);
  removeEvent(document, "mouseover", tableMouseOver);
  removeEvent(document, "mousemove", tableMouseOver);
  cal._hideCombos();
  stopEvent(ev);
  _C = null;
}
};

Calendar.tableMouseOver = function (ev) {
var cal = Calendar._C;
if (!cal) {
  return;
}
var el = cal.activeDiv;
var target = Calendar.getTargetElement(ev);
if (target == el || target.parentNode == el) {
  Calendar.addClass(el, "hilite active");
  Calendar.addClass(el.parentNode, "rowhilite");
} else {
  Calendar.removeClass(el, "active");
  Calendar.removeClass(el, "hilite");
  Calendar.removeClass(el.parentNode, "rowhilite");
}
var mon = Calendar.findMonth(target);
if (mon) {
  if (mon.month != cal.date.getMonth()) {
   if (cal.hilitedMonth) {
    Calendar.removeClass(cal.hilitedMonth, "hilite");
   }
   Calendar.addClass(mon, "hilite");
   cal.hilitedMonth = mon;
  } else if (cal.hilitedMonth) {
   Calendar.removeClass(cal.hilitedMonth, "hilite");
  }
} else {
  var year = Calendar.findYear(target);
  if (year) {
   if (year.year != cal.date.getFullYear()) {
    if (cal.hilitedYear) {
     Calendar.removeClass(cal.hilitedYear, "hilite");
    }
    Calendar.addClass(year, "hilite");
    cal.hilitedYear = year;
   } else if (cal.hilitedYear) {
    Calendar.removeClass(cal.hilitedYear, "hilite");
   }
  }
}
Calendar.stopEvent(ev);
};

Calendar.tableMouseDown = function (ev) {
if (Calendar.getTargetElement(ev) == Calendar.getElement(ev)) {
Calendar.stopEvent(ev);
}
};

Calendar.calDragIt = function (ev) {
var cal = Calendar._C;
if (!(cal && cal.dragging)) {
  return false;
}
var posX;
var posY;
if (Calendar.is_ie) {
  posY = window.event.clientY + document.body.scrollTop;
  posX = window.event.clientX + document.body.scrollLeft;
} else {
  posX = ev.pageX;
  posY = ev.pageY;
}
cal.hideShowCovered();
var st = cal.element.style;
st.left = (posX - cal.xOffs) + "px";
st.top = (posY - cal.yOffs) + "px";
Calendar.stopEvent(ev);
};

Calendar.calDragEnd = function (ev) {
var cal = Calendar._C;
if (!cal) {
  return false;
}
cal.dragging = false;
with (Calendar) {
  removeEvent(document, "mousemove", calDragIt);
  removeEvent(document, "mouseover", stopEvent);
  removeEvent(document, "mouseup", calDragEnd);
  tableMouseUp(ev);
}
cal.hideShowCovered();
};

Calendar.dayMouseDown = function(ev) {

Calendar.dayMouseDblClick = function(ev) {
Calendar.cellClick(Calendar.getElement(ev));
if (Calendar.is_ie) {
  try{
   document.selection.empty();
  }
  catch (exp) {}
}
};

Calendar.dayMouseOver = function(ev) {
var el = Calendar.getElement(ev);
if (Calendar.isRelated(el, ev) || Calendar._C || el.disabled) {
  return false;
}
if (el.ttip) {
  if (el.ttip.substr(0, 1) == "_") {
   var date = null;
   with (el.calendar.date) {
    date = new Date(getFullYear(), getMonth(), el.caldate);
   }
   el.ttip = date.print(el.calendar.ttDateFormat) + el.ttip.substr(1);
  }
  el.calendar.tooltips.firstChild.data = el.ttip;
}
if (el.navtype != 300) {
  Calendar.addClass(el, "hilite");
  if (el.caldate) {
   Calendar.addClass(el.parentNode, "rowhilite");
  }
}
Calendar.stopEvent(ev);
};

Calendar.dayMouseOut = function(ev) {
with (Calendar) {
  var el = getElement(ev);
  if (isRelated(el, ev) || _C || el.disabled) {
   return false;
  }
  removeClass(el, "hilite");
  if (el.caldate) {
   removeClass(el.parentNode, "rowhilite");
  }
  el.calendar.tooltips.firstChild.data = _TT["SEL_DATE"];

stopEvent(ev);
}
};

/**
* A generic "click" handler :) handles all types of buttons defined in this
* calendar.
*/
Calendar.cellClick = function(el) {
var cal = el.calendar;
var closing = false;
var newdate = false;
var date = null;
if (typeof el.navtype == "undefined") {
  Calendar.removeClass(cal.currentDateEl, "selected");
  Calendar.addClass(el, "selected");
  closing = (cal.currentDateEl == el);
  if (!closing) {
   cal.currentDateEl = el;
  }

  cal.date.setDate(el.caldate);
  date = cal.date;
  newdate = true;
} else {
  if (el.navtype == 200) {
   Calendar.removeClass(el, "hilite");
   cal.callCloseHandler();
   return;
  }
  date = (el.navtype == 0) ? new Date() : new Date(cal.date);
  var year = date.getFullYear();//20051103
  var mon = date.getMonth();

// END: CALENDAR STATIC FUNCTIONS

// BEGIN: CALENDAR OBJECT FUNCTIONS

/**
* This function creates the calendar inside the given parent. If _par is
* null than it creates a popup calendar inside the BODY element. If _par is
* an element, be it BODY, then it creates a non-popup calendar (still
* hidden). Some properties need to be set before calling this function.
*/
Calendar.prototype.create = function (_par) {
var parent = null;
if (! _par) {
  // default parent is the document body, in which case we create
  // a popup calendar.
  parent = document.getElementsByTagName("body")[0];
  this.isPopup = true;
} else {
  parent = _par;
  this.isPopup = false;
}
this.date = this.dateStr ? new Date(this.dateStr) : new Date();

var table = Calendar.createElement("table");
this.table = table;
table.cellSpacing = 0;
table.cellPadding = 0;
table.calendar = this;
Calendar.addEvent(table, "mousedown", Calendar.tableMouseDown);

var div = Calendar.createElement("div");
this.element = div;
div.className = "calendar";
if (this.isPopup) {
div.style.position = "absolute";
div.style.display = "none";
}
div.appendChild(table);

var thead = Calendar.createElement("thead", table);
var cell = null;
var row = null;

row = Calendar.createElement("tr", thead);
var title_length = 6;
(this.isPopup) && --title_length;
(this.weekNumbers) && ++title_length;

hh("-", 1, 100).ttip = Calendar._TT["TOGGLE"];
this.title = hh("", title_length, 300);
this.title.className = "title";
if (this.isPopup) {
  this.title.ttip = Calendar._TT["DRAG_TO_MOVE"];
  this.title.style.cursor = "move";
  hh("×", 1, 200).ttip = Calendar._TT["CLOSE"];
}

row = Calendar.createElement("tr", thead);
row.className = "headrow";

this._nav_py = hh("«", 1, -2);
this._nav_py.ttip = Calendar._TT["PREV_YEAR"];

this._nav_pm = hh("‹", 1, -1);
this._nav_pm.ttip = Calendar._TT["PREV_MONTH"];

this._nav_now = hh(Calendar._TT["TODAY"], this.weekNumbers ? 4 : 3, 0);
this._nav_now.ttip = Calendar._TT["GO_TODAY"];

this._nav_nm = hh("›", 1, 1);
this._nav_nm.ttip = Calendar._TT["NEXT_MONTH"];

this._nav_ny = hh("»", 1, 2);
this._nav_ny.ttip = Calendar._TT["NEXT_YEAR"]

// day names
row = Calendar.createElement("tr", thead);
row.className = "daynames";
if (this.weekNumbers) {
  cell = Calendar.createElement("td", row);
  cell.className = "name wn";
  cell.appendChild(document.createTextNode(Calendar._TT["WK"]));
}
for (var i = 7; i > 0; --i) {
  cell = Calendar.createElement("td", row);
  cell.appendChild(document.createTextNode(""));
  if (!i) {
   cell.navtype = 100;
   cell.calendar = this;
   Calendar._add_evs(cell);
  }
}
this.firstdayname = (this.weekNumbers) ? row.firstChild.nextSibling : row.firstChild;
this._displayWeekdays();

var tbody = Calendar.createElement("tbody", table);
this.tbody = tbody;

for (i = 6; i > 0; --i) {
  row = Calendar.createElement("tr", tbody);
  if (this.weekNumbers) {
   cell = Calendar.createElement("td", row);
   cell.appendChild(document.createTextNode(""));
  }
  for (var j = 7; j > 0; --j) {
   cell = Calendar.createElement("td", row);
   cell.appendChild(document.createTextNode(""));
   cell.calendar = this;
   Calendar._add_evs(cell);
  }
}

var tfoot = Calendar.createElement("tfoot", table);

row = Calendar.createElement("tr", tfoot);
row.className = "footrow";

cell = hh(Calendar._TT["SEL_DATE"], this.weekNumbers ? 8 : 7, 300);

cell.className = "ttip";
if (this.isPopup) {
cell.ttip = Calendar._TT["DRAG_TO_MOVE"];
cell.style.cursor = "move";
}
this.tooltips = cell;

div = Calendar.createElement("div", this.element);
this.monthsCombo = div;
div.className = "combo";
for (i = 0; i < Calendar._MN.length; ++i) {
  var mn = Calendar.createElement("div");
  mn.className = "label";
  mn.month = i;
  mn.appendChild(document.createTextNode(Calendar._MN3[i]));
  div.appendChild(mn);
}

div = Calendar.createElement("div", this.element);
this.yearsCombo = div;
div.className = "combo";
for (i = 12; i > 0; --i) {
  var yr = Calendar.createElement("div");
  yr.className = "label";
  yr.appendChild(document.createTextNode(""));
  div.appendChild(yr);
}

this._init(this.mondayFirst, this.date);
parent.appendChild(this.element);
};

/** keyboard navigation, only for popup calendars */
Calendar._keyEvent = function(ev) {
if (!window.calendar) {
  return false;
}
(Calendar.is_ie) && (ev = window.event);
var cal = window.calendar;
var act = (Calendar.is_ie || ev.type == "keypress");
if (ev.ctrlKey) {
  switch (ev.keyCode) {
      case 37: // KEY left
   act && Calendar.cellClick(cal._nav_pm);
   break;
      case 38: // KEY up
   act && Calendar.cellClick(cal._nav_py);
   break;
      case 39: // KEY right
   act && Calendar.cellClick(cal._nav_nm);
   break;
      case 40: // KEY down
   act && Calendar.cellClick(cal._nav_ny);
   break;
      default:
   return false;
  }
} else switch (ev.keyCode) {
     case 32: // KEY space (now)
  Calendar.cellClick(cal._nav_now);
  break;
     case 27: // KEY esc
  act && cal.hide();
  break;
     case 37: // KEY left
     case 38: // KEY up
     case 39: // KEY right
     case 40: // KEY down
  if (act) {
   var date = cal.date.getDate() - 1;
   var el = cal.currentDateEl;
   var ne = null;
   var prev = (ev.keyCode == 37) || (ev.keyCode == 38);
   switch (ev.keyCode) {
       case 37: // KEY left
    (--date >= 0) && (ne = cal.ar_days[date]);
    break;
       case 38: // KEY up
    date -= 7;
    (date >= 0) && (ne = cal.ar_days[date]);
    break;
       case 39: // KEY right
    (++date < cal.ar_days.length) && (ne = cal.ar_days[date]);
    break;
       case 40: // KEY down
    date += 7;
    (date < cal.ar_days.length) && (ne = cal.ar_days[date]);
    break;
   }
   if (!ne) {
    if (prev) {
     Calendar.cellClick(cal._nav_pm);
    } else {
     Calendar.cellClick(cal._nav_nm);
    }
    date = (prev) ? cal.date.getMonthDays() : 1;
    el = cal.currentDateEl;
    ne = cal.ar_days[date - 1];
   }
   Calendar.removeClass(el, "selected");
   Calendar.addClass(ne, "selected");
   cal.date.setDate(ne.caldate);
   cal.currentDateEl = ne;
  }
  break;
     case 13: // KEY enter
  if (act) {
   cal.callHandler();
   cal.hide();
  }
  break;
     default:
  return false;
}
Calendar.stopEvent(ev);
};

/**
* (RE)Initializes the calendar to the given date and style (if mondayFirst is
* true it makes Monday the first day of week, otherwise the weeks start on
* Sunday.
*/
Calendar.prototype._init = function (mondayFirst, date) {
var today = new Date();
var year = date.getFullYear();
if (year < this.minYear) {
  year = this.minYear;
  date.setFullYear(year);
} else if (year > this.maxYear) {
  year = this.maxYear;
  date.setFullYear(year);
}
this.mondayFirst = mondayFirst;
this.date = new Date(date);
var month = date.getMonth();
var mday = date.getDate();
var no_days = date.getMonthDays();
date.setDate(1);
var wday = date.getDay();
var MON = mondayFirst ? 1 : 0;
var SAT = mondayFirst ? 5 : 6;
var SUN = mondayFirst ? 6 : 0;
if (mondayFirst) {
  wday = (wday > 0) ? (wday - 1) : 6;
}
var iday = 1;
var row = this.tbody.firstChild;
var MN = Calendar._MN3[month];
var hasToday = ((today.getFullYear() == year) && (today.getMonth() == month));
var todayDate = today.getDate();
var week_number = date.getWeekNumber();
var ar_days = new Array();
for (var i = 0; i < 6; ++i) {
  if (iday > no_days) {
   row.className = "emptyrow";
   row = row.nextSibling;
   continue;
  }
  var cell = row.firstChild;
  if (this.weekNumbers) {
   cell.className = "day wn";
   cell.firstChild.data = week_number;
   cell = cell.nextSibling;
  }
  ++week_number;
  row.className = "daysrow";
  for (var j = 0; j < 7; ++j) {
   cell.className = "day";
   if ((!i && j < wday) || iday > no_days) {
    // cell.className = "emptycell";
    cell.innerHTML = " ";
    cell.disabled = true;
    cell = cell.nextSibling;
    continue;
   }
   cell.disabled = false;
   cell.firstChild.data = iday;
   if (typeof this.checkDisabled == "function") {
    date.setDate(iday);
    if (this.checkDisabled(date)) {
     cell.className += " disabled";
     cell.disabled = true;
    }
   }
   if (!cell.disabled) {
    ar_days[ar_days.length] = cell;
    cell.caldate = iday;
    cell.ttip = "_";
    if (iday == mday) {
     cell.className += " selected";
     this.currentDateEl = cell;
    }
    if (hasToday && (iday == todayDate)) {
     cell.className += " today";
     cell.ttip += Calendar._TT["PART_TODAY"];
    }
    if (wday == SAT || wday == SUN) {
     cell.className += " weekend";
    }
   }
   ++iday;
   ((++wday) ^ 7) || (wday = 0);
   cell = cell.nextSibling;
  }
  row = row.nextSibling;
}
this.ar_days = ar_days;
//此处做一些判断
if(!ChinaDateFlg)
  this.title.firstChild.data = Calendar._MN[month] + ", " +year;
else
  this.title.firstChild.data = Calendar._MN[month] + ", 民国" + (year-1911);
  //noClickFlg=false;
// PROFILE
// this.tooltips.firstChild.data = "Generated in " + ((new Date()) - today) + " ms";
};

/**
* Calls _init function above for going to a certain date (but only if the
* date is different than the currently selected one).
*/
Calendar.prototype.setDate = function (date) {
if (!date.equalsTo(this.date)) {
  if(!ChinaDateFlg)
   this._init(this.mondayFirst, date);
  else
  {
   if(FirstOpenFlg)
   {
    date.setYear(date.getFullYear()+11);
    FirstOpenFlg=false;
   }
   this._init(this.mondayFirst, date);
  }
}
};

/** Modifies the "mondayFirst" parameter (EU/US style). */

Calendar.prototype.setMondayFirst = function (mondayFirst) {
this._init(mondayFirst, this.date);
this._displayWeekdays();
};

/**
* Allows customization of what dates are enabled. The "unaryFunction"
* parameter must be a function object that receives the date (as a JS Date
* object) and returns a boolean value. If the returned value is true then
* the passed date will be marked as disabled.
*/
Calendar.prototype.setDisabledHandler = function (unaryFunction) {
this.checkDisabled = unaryFunction;
};

/** Customization of allowed year range for the calendar. */
Calendar.prototype.setRange = function (a, z) {
this.minYear = a;
this.maxYear = z;
};

/** Calls the first user handler (selectedHandler). */
Calendar.prototype.callHandler = function () {
if (this.onSelected) {
  if(!ChinaDateFlg)
   this.onSelected(this, this.date.print(this.dateFormat));
  else
  {
   var strD=(this.date.getFullYear()-1911)+"/"+(this.date.getMonth()+1)+"/"+this.date.getDate();
   this.onSelected(this, strD);
  }
}
};

/** Calls the second user handler (closeHandler). */
Calendar.prototype.callCloseHandler = function () {
if (this.onClose) {
FirstOpenFlg=true;
this.onClose(this);
}
this.hideShowCovered();
};

/** Removes the calendar object from the DOM tree and destroys it. */
Calendar.prototype.destroy = function () {
var el = this.element.parentNode;
el.removeChild(this.element);
Calendar._C = null;
delete el;
};

/**
* Moves the calendar element to a different section in the DOM tree (changes
* its parent).
*/
Calendar.prototype.reparent = function (new_parent) {
var el = this.element;
el.parentNode.removeChild(el);
new_parent.appendChild(el);
};

// This gets called when the user presses a mouse button anywhere in the
// document, if the calendar is shown. If the click was outside the open
// calendar this function closes it.
Calendar._checkCalendar = function(ev) {
if (!window.calendar) {
  return false;
}
var el = Calendar.is_ie ? Calendar.getElement(ev) : Calendar.getTargetElement(ev);
for (; el != null && el != calendar.element; el = el.parentNode);
if (el == null) {
  // calls closeHandler which should hide the calendar.
  window.calendar.callCloseHandler();
  Calendar.stopEvent(ev);
}
};

/** Shows the calendar. */
Calendar.prototype.show = function () {
var rows = this.table.getElementsByTagName("tr");
for (var i = rows.length; i > 0;) {
  var row = rows[--i];
  Calendar.removeClass(row, "rowhilite");
  var cells = row.getElementsByTagName("td");
  for (var j = cells.length; j > 0;) {
   var cell = cells[--j];
   Calendar.removeClass(cell, "hilite");
   Calendar.removeClass(cell, "active");
  }
}
this.table.width = '150px';
this.table.height = '150px';
this.element.style.display = "block";
this.hidden = false;
if (this.isPopup) {
  window.calendar = this;
  Calendar.addEvent(document, "keydown", Calendar._keyEvent);
  Calendar.addEvent(document, "keypress", Calendar._keyEvent);
  Calendar.addEvent(document, "mousedown", Calendar._checkCalendar);
}
this.hideShowCovered();
};

/**
* Hides the calendar. Also removes any "hilite" from the class of any TD
* element.
*/
Calendar.prototype.hide = function () {
if (this.isPopup) {
  Calendar.removeEvent(document, "keydown", Calendar._keyEvent);
  Calendar.removeEvent(document, "keypress", Calendar._keyEvent);
  Calendar.removeEvent(document, "mousedown", Calendar._checkCalendar);
}
this.element.style.display = "none";
this.hidden = true;
this.hideShowCovered();
};

/**
* Shows the calendar at a given absolute position (beware that, depending on
* the calendar element style -- position property -- this might be relative
* to the parent's containing rectangle).
*/
Calendar.prototype.showAt = function (x, y) {
var s = this.element.style;
s.left = x + "px";
s.top = y + "px";
this.show();
};

/** Shows the calendar near a given element. */
Calendar.prototype.showAtElement = function (el) {
var p = Calendar.getAbsolutePos(el);

   //Modify By Joe 2003/11/11
   //避免小月历的位置跑到画面外, 所以多加判断scroll的位子
   //this.showAt(p.x, p.y + el.offsetHeight);

if (p.y + el.offsetHeight + 170 > document.body.scrollHeight && document.body.scrollHeight > 600 ){
    this.showAt(p.x, p.y - el.offsetHeight - 170);
}else{
    this.showAt(p.x, p.y + el.offsetHeight);
}

//Modify By Joe 2003/11/11 End

};

/** Customizes the date format. */
Calendar.prototype.setDateFormat = function (str) {
this.dateFormat = str;
};

/** Customizes the tooltip date format. */
Calendar.prototype.setTtDateFormat = function (str) {
this.ttDateFormat = str;
};

/**
* Tries to identify the date represented in a string. If successful it also
* calls this.setDate which moves the calendar to the given date.
*/
Calendar.prototype.parseDate = function (str, fmt) {
var y = 0;
var m = -1;
var d = 0;
var a = str.split(//W+/);
if (!fmt) {
  fmt = this.dateFormat;
}
var b = fmt.split(//W+/);
var i = 0, j = 0;
for (i = 0; i < a.length; ++i) {
  if (b[i] == "D" || b[i] == "DD") {
   continue;
  }
  if (b[i] == "d" || b[i] == "dd") {
   d = parseInt(a[i]);
  }
  if (b[i] == "m" || b[i] == "mm") {
   m = parseInt(a[i]) - 1;
  }
  if (b[i] == "y") {
   y = parseInt(a[i]);
  }
  if (b[i] == "yy") {
   y = parseInt(a[i]) + 1900;
  }
  if (b[i] == "M" || b[i] == "MM") {
   for (j = 0; j < 12; ++j) {
    if (Calendar._MN[j].substr(0, a[i].length).toLowerCase() == a[i].toLowerCase()) { m = j; break; }
   }
  }
}
if (y != 0 && m != -1 && d != 0) {
  this.setDate(new Date(y, m, d));
  return;
}
y = 0; m = -1; d = 0;
for (i = 0; i < a.length; ++i) {
  if (a[i].search(/[a-zA-Z]+/) != -1) {
   var t = -1;
   for (j = 0; j < 12; ++j) {
    if (Calendar._MN[j].substr(0, a[i].length).toLowerCase() == a[i].toLowerCase()) { t = j; break; }
   }
   if (t != -1) {
    if (m != -1) {
     d = m+1;
    }
    m = t;
   }
  } else if (parseInt(a[i]) <= 12 && m == -1) {
   m = a[i]-1;
  } else if (parseInt(a[i]) > 31 && y == 0) {
   y = a[i];
  } else if (d == 0) {
   d = a[i];
  }
}
if (y == 0) {
  var today = new Date();
  y = today.getFullYear();
}
if (m != -1 && d != 0) {
  this.setDate(new Date(y, m, d));
}
};

Calendar.prototype.hideShowCovered = function () {
var tags = new Array("applet", "iframe", "select");
var el = this.element;

var p = Calendar.getAbsolutePos(el);
var EX1 = p.x;
var EX2 = el.offsetWidth + EX1;
var EY1 = p.y;
var EY2 = el.offsetHeight + EY1;

for (var k = tags.length; k > 0; ) {
var ar = document.getElementsByTagName(tags[--k]);
var cc = null;

for (var i = ar.length; i > 0;) {
cc = ar[--i];

   p = Calendar.getAbsolutePos(cc);
   var CX1 = p.x;
   var CX2 = cc.offsetWidth + CX1;
   var CY1 = p.y;
   var CY2 = cc.offsetHeight + CY1;

   if (this.hidden || (CX1 > EX2) || (CX2 < EX1) || (CY1 > EY2) || (CY2 < EY1)) {
    cc.style.visibility = "visible";
   } else {
    cc.style.visibility = "hidden";
   }
  }
}
};

/** Internal function; it displays the bar with the names of the weekday. */
Calendar.prototype._displayWeekdays = function () {
var MON = this.mondayFirst ? 0 : 1;
var SUN = this.mondayFirst ? 6 : 0;
var SAT = this.mondayFirst ? 5 : 6;
var cell = this.firstdayname;
for (var i = 0; i < 7; ++i) {
  cell.className = "day name";
  if (!i) {
   cell.ttip = this.mondayFirst ? Calendar._TT["SUN_FIRST"] : Calendar._TT["MON_FIRST"];
   cell.navtype = 100;
   cell.calendar = this;
   Calendar._add_evs(cell);
  }
  if (i == SUN || i == SAT) {
   Calendar.addClass(cell, "weekend");
  }
  cell.firstChild.data = Calendar._DN3[i + 1 - MON];
  cell = cell.nextSibling;
}
};

/** Internal function. Hides all combo boxes that might be displayed. */
Calendar.prototype._hideCombos = function () {
this.monthsCombo.style.display = "none";
this.yearsCombo.style.display = "none";
};

/** Internal function. Starts dragging the element. */
Calendar.prototype._dragStart = function (ev) {
if (this.dragging) {
  return;
}
this.dragging = true;
var posX;
var posY;
if (Calendar.is_ie) {
  posY = window.event.clientY + document.body.scrollTop;
  posX = window.event.clientX + document.body.scrollLeft;
} else {
  posY = ev.clientY + window.scrollY;
  posX = ev.clientX + window.scrollX;
}
var st = this.element.style;
this.xOffs = posX - parseInt(st.left);
this.yOffs = posY - parseInt(st.top);
with (Calendar) {
  addEvent(document, "mousemove", calDragIt);
  addEvent(document, "mouseover", stopEvent);
  addEvent(document, "mouseup", calDragEnd);
}
};

// BEGIN: DATE OBJECT PATCHES

/** Adds the number of days array to the Date object. */
Date._MD = new Array(31,28,31,30,31,30,31,31,30,31,30,31);

/** Constants used for time computations */
Date.SECOND = 1000 /* milliseconds */;
Date.MINUTE = 60 * Date.SECOND;
Date.HOUR   = 60 * Date.MINUTE;
Date.DAY    = 24 * Date.HOUR;
Date.WEEK   = 7 * Date.DAY;

/** Returns the number of days in the current month */
Date.prototype.getMonthDays = function(month) {
var year = this.getFullYear();
if (typeof month == "undefined") {
  month = this.getMonth();
}
if (((0 == (year%4)) && ( (0 != (year%100)) || (0 == (year%400)))) && month == 1) {
  return 29;
} else {
  return Date._MD[month];
}
};

/** Returns the number of the week. The algorithm was "stolen" from PPK's
* website, hope it's correct :) http://www.xs4all.nl/~ppk/js/week.html */
Date.prototype.getWeekNumber = function() {
var now = new Date(this.getFullYear(), this.getMonth(), this.getDate(), 0, 0, 0);
var then = new Date(this.getFullYear(), 0, 1, 0, 0, 0);
var time = now - then;
var day = then.getDay();
(day > 3) && (day -= 4) || (day += 3);
return Math.round(((time / Date.DAY) + day) / 7);
};

/** Checks dates equality (ignores time) */
Date.prototype.equalsTo = function(date) {
return ((this.getFullYear() == date.getFullYear()) &&
(this.getMonth() == date.getMonth()) &&
(this.getDate() == date.getDate()));
};

/** Prints the date in a string according to the given format. */
Date.prototype.print = function (frm) {
var str = new String(frm);
var m = this.getMonth();
var d = this.getDate();
var y = this.getFullYear();
var wn = this.getWeekNumber();
var w = this.getDay();
var s = new Array();
s["d"] = d;
s["dd"] = (d < 10) ? ("0" + d) : d;
s["m"] = 1+m;
s["mm"] = (m < 9) ? ("0" + (1+m)) : (1+m);
s["y"] = y;
s["yy"] = new String(y).substr(2, 2);
s["w"] = wn;
s["ww"] = (wn < 10) ? ("0" + wn) : wn;
with (Calendar) {
  s["D"] = _DN3[w];
  s["DD"] = _DN[w];
  s["M"] = _MN3[m];
  s["MM"] = _MN[m];
}
var re = /(.*)(/W|^)(d|dd|m|mm|y|yy|MM|M|DD|D|w|ww)(/W|$)(.*)/;
while (re.exec(str) != null) {
  str = RegExp.$1 + RegExp.$2 + s[RegExp.$3] + RegExp.$4 + RegExp.$5;
}
return str;
};

// END: DATE OBJECT PATCHES
// global object that remembers the calendar
window.calendar = null;

//********calendar-1.js
var oldLink = null;
// code to change the active stylesheet
function setActiveStyleSheet(link, title) {
var i, a, main;
for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title")) {
      a.disabled = true;
      if(a.getAttribute("title") == title) a.disabled = false;
    }
}
if (oldLink) oldLink.style.fontWeight = 'normal';
oldLink = link;
link.style.fontWeight = 'bold';
return false;
}

// This function gets called when the end-user clicks on some date.
function selected(cal, date) {

cal.sel.value = date; // just update the date in the input field.
gChangeDate(cal.sel,dateType);
    // if we add this call we close the calendar on single-click.
    // just to exemplify both cases, we are using this only for the 1st
    // and the 3rd field, while 2nd and 4th will still require double-click.
if (cal.sel.id == "sel1" || cal.sel.id == "sel3")
    cal.callCloseHandler();

//close this Calendar form
//cal.callCloseHandler();
}

// And this gets called when the end-user clicks on the _selected_ date,
// or clicks on the "Close" button. It just hides the calendar without
// destroying it.
function closeHandler(cal) {
cal.hide(); // hide the calendar
}

calendar.setDateFormat(strformat);    // set the specified date format
calendar.parseDate(dc_date);      // try to parse the text in field
calendar.sel = el;                 // inform it what input field we use
calendar.showAtElement(el);        // show the calendar below it
return false;
}

var MINUTE = 60 * 1000;
var HOUR = 60 * MINUTE;
var DAY = 24 * HOUR;
var WEEK = 7 * DAY;

function isDisabled(date) {
var today = new Date();
return (Math.abs(date.getTime() - today.getTime()) / DAY) > 10;
}

function flatSelected(cal, date) {
var el = document.getElementById("preview");
el.innerHTML = date;
}

function showFlatCalendar() {
var parent = document.getElementById("display");

// construct a calendar giving only the "selected" handler.
var cal = new Calendar(false, null, flatSelected);

// hide week numbers
cal.weekNumbers = false;

// We want some dates to be disabled; see function isDisabled above
cal.setDisabledHandler(isDisabled);
cal.setDateFormat("DD, M d");

// this call must be the last as it might use data initialized above; if
// we specify a parent, as opposite to the "showCalendar" function above,
// then we create a flat calendar -- not popup. Hidden, though, but...
cal.create(parent);

// ... we can show it here.
cal.show();
}

//***********calendar-en.js
// ** I18N
Calendar._DN = new Array("日", "一", "二", "三", "四", "五", "六", "日");
Calendar._MN = new Array("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");

// tooltips
Calendar._TT = {};
Calendar._TT["TOGGLE"] = "Toggle first day of week";
Calendar._TT["PREV_YEAR"] = "上一年 (hold for menu)";
Calendar._TT["PREV_MONTH"] = "上一月 (hold for menu)";
Calendar._TT["GO_TODAY"] = "Go Today";
Calendar._TT["NEXT_MONTH"] = "下一月 (hold for menu)";
Calendar._TT["NEXT_YEAR"] = "下一年 (hold for menu)";
Calendar._TT["SEL_DATE"] = "Select date";
Calendar._TT["DRAG_TO_MOVE"] = "Drag to move";
Calendar._TT["PART_TODAY"] = " (today)";
Calendar._TT["MON_FIRST"] = "Display Monday first";
Calendar._TT["SUN_FIRST"] = "Display Sunday first";
Calendar._TT["CLOSE"] = "关闭";
Calendar._TT["TODAY"] = "今天";

// date formats
Calendar._TT["DEF_DATE_FORMAT"] = "y-mm-dd";
Calendar._TT["TT_DATE_FORMAT"] = "D, M d";

Calendar._TT["WK"] = "wk";

//============以下为日期格式转化和检测方法
/*javaScript字符串去空格的方法，用正则方法处理
**用法：var strA=strA.trim();
*/
String.prototype.trim=function()
{
return this.replace(/(^/s*)|(/s*$)/g,'');
}
/******************************************************************************************
' 函数名称 : IsCDate
' 目    的 : 判断日期是否正确
' 参数说明 : obj : 日期对象值
'            stype : 日期类型，0：非标准日期19970807，1：标准日期1997/8/7
'            CDate : 民国日期，0：公元日期， 1：民国日期
'******************************************************************************************/
//判断日期
function IsCDate(objV,sType,CDate)
{ var objV=objV.trim();
var sY;
var sM;
var sD;
var str;
if(sType==0)//非标准日期
{ sY=objV.substring(0,objV.length-4);
  sM=objV.substring(objV.length-4,objV.length-2);
  sD=objV.substring(objV.length-2,objV.length);
}
if(sType==1)//标准日期
{ var strTimeAry1=objV.split("/");
  sY=strTimeAry1[0];
  sM=strTimeAry1[1];
  sD=strTimeAry1[2];
}
if(CDate=1)
  sY=sY*1+1911;

str=sY+"/"+sM+"/"+sD
var r = str.match(/^(/d{1,4})(-|//)(/d{1,2})/2(/d{1,2})$/);
if(r==null)return false;
var d= new Date(r[1], r[3]-1, r[4]);
return (d.getFullYear()==r[1] && (d.getMonth()+1)==r[3] && d.getDate()==r[4]);

}

/******************************************************************************************
' 函数名称 : gChangeDate
' 目    的 : 转换日期显示格式
' 参数说明 : strDate : 日期
'            vintType : 转换的形式
' 传回值 : strChangeDate : 转换后的日期
' 副作用 : 无
' 范    例 : gChangeDate(this,0)
' 备    注 : 可接收日期格式 19970807,1997/8/7,85/8/7,850809,87-9-8
'      case 0   '1997/08/05'
'      case 1   '85/08/05'
'      case 2   '085/08/05'
'      case 3   '1997年08月05日
'      case 4   '86年08月05日
'      case 5   '1997年08月05日星期一
'      case 6   '86年08月05日星期一
'      case 7   '19970805
'      case 8   '860805
'      case 9   '0860805
'      case 10   '星期一
'      case 11   ' 860805
'      case 12   ' 86/08/05
'      case 13   ' 86/8/5
'      Else
'         strChangeDate = "没有指定输出形态"
'******************************************************************************************/
function gChangeDate(vobjName,vintType)
{
var strDay,strMonth,strYear,strCYear,strTimeAry
var strDate,StandDate,strWeekName,datDate,intNum,strChangeDate
var resStr="";
if(vintType=="0" || vintType=="3" || vintType=="5" || vintType=="7" || vintType=="10")
  ChinaDateFlg=false;
else
  ChinaDateFlg=true;

strDate=vobjName.value.trim();
if(strDate=="") return; //若为空值, 则不做
//转换日期为标准模式 "1997/5/6"
//XXXX-XX-XX
if (strDate.indexOf("-")!=0)
{ resStr="";
  for(var i=0;i<strDate.length;i++)
   resStr=resStr +((strDate.substring(i,i+1)).replace('-','/'));
  strDate=resStr;
}
//XXXX.XX.XX
if (strDate.indexOf(".")!=0)
{ resStr="";
  for(var i=0;i<strDate.length;i++)
   resStr=resStr +((strDate.substring(i,i+1)).replace('.','/'));
  strDate=resStr;
}
//XXXXXXXX
if (strDate.indexOf("/")<=0)
strDate=strDate.substring(0,strDate.length-4)+"/"+strDate.substring(strDate.length-4,strDate.length-2)+ "/"+strDate.substring(strDate.length-2,strDate.length);

//若输入日期为12/23/23 应该是不合理的情况 ->先转成西元年格式再做判断
var strTimeAry1=strDate.split("/");
if(strTimeAry1.length!=3)
{
  alert("请输入日期,格式为:年月日") ;
  vobjName.value="";
      vobjName.focus();
  return;
}
if (strTimeAry1[0].length!=4)
{
  strTimeAry1[0]=strTimeAry1[0]*1;
  strDate=strTimeAry1[0]+"/"+strTimeAry1[1]+"/"+strTimeAry1[2];
}
//判断日期是否合法
if(!ChinaDateFlg)
  var idDate=IsCDate(strDate,1,0);
else
  var idDate=IsCDate(strDate,1,1);
if(!idDate)
{
  alert("请输入日期, 格式为年月日") ;
  vobjName.value="";
  vobjName.focus();
  return;
}
strYear = strTimeAry1[0];
   strCYear = strYear.toString();
   strMonth = strTimeAry1[1];
   strDay   = strTimeAry1[2];
   datDate = strYear + "/" + strMonth + "/" + strDay;

   //OK 现在有标准的日期格式
//找出星期几
   if(!ChinaDateFlg)
     var dateNew= new Date(datDate)
   else
     var dateNew= new Date((strCYear*1+1911)+ "/" + strMonth + "/" + strDay)
var strWeekName="";
switch (dateNew.getDay())
{ case 0:
   strWeekName = "星期日";
   break;
  case 1:
   strWeekName = "星期一";
   break;
  case 2:
   strWeekName = "星期二";
   break;
  case 3:
   strWeekName = "星期三";
   break;
  case 4:
   strWeekName = "星期四";
   break;
  case 5:
   strWeekName = "星期五";
   break;
  case 6:
   strWeekName = "星期六";
   break;
}
   switch(vintType)
   {
  case 0 : //1997/08/05'
    if(strMonth.length==1)
       strMonth = "0" + strMonth;
    if(strDay.length==1)
       strDay = "0" + strDay;
    strChangeDate = strYear + "/" + strMonth + "/" + strDay;
   break;
  case 1 : //85/08/05'
       strChangeDate = strCYear + "/" + strMonth + "/" + strDay;
   break;
  case 2 : //085/08/05'
    if(strMonth.length==1)
       strMonth = "0" + strMonth;
    if(strDay.length==1)
       strDay = "0" + strDay;
       if(strCYear.length==2)
          strCYear = "0" + strCYear;
       strChangeDate = strCYear + "/" + strMonth + "/" + strDay;
   break;
  case 3 : //1997年08月05日
    if(strMonth.length==1)
       strMonth = "0" + strMonth;
    if(strDay.length==1)
       strDay = "0" + strDay;
       strChangeDate = strYear + "年" + strMonth + "月" + strDay + "日";
   break;
  case 4 : //86年08月05日
    if(strMonth.length==1)
       strMonth = "0" + strMonth;
    if(strDay.length==1)
       strDay = "0" + strDay;
       strChangeDate = strCYear + "年" + strMonth + "月" + strDay + "日";
   break;
  case 5 : //1997年08月05日星期一
    if(strMonth.length==1)
       strMonth = "0" + strMonth;
    if(strDay.length==1)
       strDay = "0" + strDay;
       strChangeDate = strYear+"年" + strMonth + "月" + strDay + "日" + strWeekName;
   break;
  case 6 : //86年08月05日星期一
    if(strMonth.length==1)
       strMonth = "0" + strMonth;
    if(strDay.length==1)
       strDay = "0" + strDay;
       strChangeDate = strCYear + "年" + strMonth + "月" + strDay + "日" + strWeekName;
   break;
   case 7 : //19970805
   if(strMonth.length==1)
       strMonth = "0" + strMonth;
    if(strDay.length==1)
       strDay = "0" + strDay;
       strChangeDate = strYear + strMonth + strDay;
   break;
  case 8 : //860805
   if(strMonth.length==1)
       strMonth = "0" + strMonth;
    if(strDay.length==1)
       strDay = "0" + strDay;
    strChangeDate = strCYear + strMonth + strDay;
   break;
  case 9:   //0860805
   if(strMonth.length==1)
       strMonth = "0" + strMonth;
    if(strDay.length==1)
       strDay = "0" + strDay;
    if(strCYear.length==2)
       strCYear = "0" + strCYear;
    strChangeDate = strCYear + strMonth + strDay;
   break;
  case 10 : //星期一
        strChangeDate = strWeekName;
   break;
  case 11:   // 860805
    if(strMonth.length==1)
       strMonth = "0" + strMonth;
    if(strDay.length==1)
       strDay = "0" + strDay;
    if(strCYear.length==2)
       strCYear = " " + strCYear;
    strChangeDate = strCYear + strMonth + strDay;
   break;
  case 12 : // 86/08/05
    if(strMonth.length==1)
       strMonth = "0" + strMonth;
    if(strDay.length==1)
       strDay = "0" + strDay;
    if(strCYear.length==2)
       strCYear = " " + strCYear;
    strChangeDate = strCYear + "/" + strMonth + "/" + strDay;
   break;
  case 13 : // 94/1/1
    if(strCYear.length==2)
       strCYear = " " + strCYear;
    strMonth=strMonth*1
    strDay=strDay*1
    strCYear=strCYear*1
    strChangeDate = strCYear + "/" + strMonth + "/"+ strDay ;
   break;
  default:
        strChangeDate =vobjName.value;// "没有指定输出形态";
   break;
   }
vobjName.value=strChangeDate ;
}