如何制作这样的calender控件？

给你一个Calendar.js/*  Copyright Mihai Bazon, 2002  |  http://students.infoiasi.ro/~mishoo
* ---------------------------------------------------------------------
*
* The DHTML Calendar, version 0.9.2 "The art of date selection"
*
* Details and latest version at:
* http://students.infoiasi.ro/~mishoo/site/calendar.epl
*
* Feel free to use this script under the terms of the GNU Lesser General
* Public License, as long as you do not remove or alter this notice.
*/// $Id: calendar.js,v 1.7 2003/02/13 11:19:45 mbazon Exp $/** The Calendar object constructor. */
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 = Calendar._TT["DEF_DATE_FORMAT"];
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) {
// use the XHTML namespace; IE won't normally get here unless
// _they_ "fix" the DOM2 implementation.
el = document.createElementNS("http://www.w3.org/1999/xhtml", type);
} else {
el = document.createElement(type);
}
if (typeof parent != "undefined") {
parent.appendChild(el);
}
return el;
};// END: UTILITY FUNCTIONS// BEGIN: CALENDAR STATIC FUNCTIONS/** Internal -- adds a set of events to make some element behave like a button. */
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.prototype.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 handlersCalendar.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) {
var el = Calendar.getElement(ev);
if (el.disabled) {
return false;
}
var cal = el.calendar;
cal.activeDiv = el;
Calendar._C = cal;
if (el.navtype != 300) with (Calendar) {
addClass(el, "hilite active");
addEvent(document, "mouseover", tableMouseOver);
addEvent(document, "mousemove", tableMouseOver);
addEvent(document, "mouseup", tableMouseUp);
} else if (cal.isPopup) {
cal._dragStart(ev);
}
Calendar.stopEvent(ev);
if (el.navtype == -1 || el.navtype == 1) {
cal.timeout = setTimeout("Calendar.showMonthsCombo()", 250);
} else if (el.navtype == -2 || el.navtype == 2) {
cal.timeout = setTimeout((el.navtype > 0) ? "Calendar.showYearsCombo(true)" : "Calendar.showYearsCombo(false)", 250);
} else {
cal.timeout = null;
}
};Calendar.dayMouseDblClick = function(ev) {
Calendar.cellClick(Calendar.getElement(ev));
if (Calendar.is_ie) {
document.activeElement.value = '';/*document.selection.empty();陆荣修改，更改双击时提示错误*/
}
};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;
cal.callHandler();
cal.callCloseHandler();
return;
}
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();
var mon = date.getMonth();
function setMonth(m)
{
var day = date.getDate();
var max = date.getMonthDays(m);
if (day > max)
{
date.setDate(max);
}
date.setMonth(m);
};
switch (el.navtype)
{
    case -2:
if (year > cal.minYear)
{
date.setFullYear(year - 1);
}
break;
    case -1:
if (mon > 0)
{
setMonth(mon - 1);
}
else if (year-- > cal.minYear)
{
date.setFullYear(year);
setMonth(11);
}
break;
    case 1:
if (mon < 11)
{
setMonth(mon + 1);
}
else if (year < cal.maxYear)
{
date.setFullYear(year + 1);
setMonth(0);
}
break;
    case 2:
if (year < cal.maxYear)
{
date.setFullYear(year + 1);
}
break;
    case 100:
cal.setMondayFirst(!cal.mondayFirst);
return;
}
if (!date.equalsTo(cal.date))
{
cal.setDate(date);
newdate = el.navtype == 0;
}
}
if (newdate) {
cal.callHandler();
}
if (closing)
{
Calendar.removeClass(el, "hilite");
cal.callCloseHandler();
}
};

http://www.codeproject.com/useritems/Calender_web_Control.asp
这里有一个和你的类似，改改就可以了。

// 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; var cal = this;
var hh = function (text, cs, navtype) {
cell = Calendar.createElement("td", row);
cell.colSpan = cs;
cell.className = "calendarButton";
Calendar._add_evs(cell);
cell.calendar = cal;
cell.navtype = navtype;
if (text.substr(0, 1) != "&") {
cell.appendChild(document.createTextNode(text));
}
else {
// FIXME: dirty hack for entities
cell.innerHTML = text;
}
return cell;
}; 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;
this.title.firstChild.data = Calendar._MN[month] + ", " + year;
// 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)) {
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 ed 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) {
this.onSelected(this, this.date.print(this.dateFormat));
}
};/** Calls the second user handler (closeHandler). */
Calendar.prototype.callCloseHandler = function () {
if (this.onClose) {
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.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.showMonthsCombo();
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,moveX) {
var p = Calendar.getAbsolutePos(el);
if(moveX ==null)
this.showAt(p.x, p.y + el.offsetHeight);
else
this.showAt(p.x - moveX, p.y + el.offsetHeight);
};
Calendar.prototype.showAtElementXY = function (el,moveX,moveY) {
var p = Calendar.getAbsolutePos(el);
if(moveX ==null)
this.showAt(p.x, p.y + el.offsetHeight);
else
this.showAt(p.x - moveX, p.y + el.offsetHeight - moveY);
};/** 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));
}
else //2005-01-24 徐侠君添加
{
this.setDate(new Date());
}
};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];
}
//alert(str);
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;
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;// 以下本地化中文2004.11.05
Calendar._DN = new Array
("周日",
"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"] = "切换周首日";
Calendar._TT["PREV_YEAR"] = "选择上一年。按住菜单,下拉选择年份";
Calendar._TT["PREV_MONTH"] = "选择上一月。按住菜单,下拉选择月份";
Calendar._TT["GO_TODAY"] = "选择本日";
Calendar._TT["NEXT_MONTH"] = "选择下一月。按住菜单,下拉选择月份";
Calendar._TT["NEXT_YEAR"] = "选择下一年。按住菜单,下拉选择年份";
Calendar._TT["SEL_DATE"] = "选择日期";
Calendar._TT["DRAG_TO_MOVE"] = "拖曳";
Calendar._TT["PART_TODAY"] = " (本日)";
Calendar._TT["MON_FIRST"] = "以周一作为第一天";
Calendar._TT["SUN_FIRST"] = "以周日作为第一天";
Calendar._TT["CLOSE"] = "关闭";
Calendar._TT["TODAY"] = "选择本日";// date formats
Calendar._TT["DEF_DATE_FORMAT"] = "y-mm-dd";
Calendar._TT["TT_DATE_FORMAT"] = "D, M d";Calendar._TT["WK"] = "星期";
// 以上本地化中文2004.11.05
//以下全局调用函数2004.11.05
var calendar;
function selected(cal, date) {
  cal.sel.value = date; // just update the date in the input field.
  if (cal.sel.id == "sel1" || cal.sel.id == "sel3")
    // 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.
    cal.callCloseHandler();
}
function showCalendar(id, format,moveX) {
  var el = document.getElementById(id);
  if (calendar != null) {
    // we already have some calendar created
    calendar.hide();                 // so we hide it first.
  } else {
    // first-time call, create the calendar.
    var cal = new Calendar(false, null, selected, closeHandler);
    // uncomment the following line to hide the week numbers
    // cal.weekNumbers = false;
    calendar = cal;                  // remember it in the global var
    cal.setRange(1900, 2070);        // min/max year allowed.
    cal.create();
  }
  calendar.setDateFormat(format);    // set the specified date format
  calendar.parseDate(el.value);      // try to parse the text in field
  calendar.sel = el;                 // inform it what input field we use
  calendar.showAtElement(el,moveX);
  return false;
}
function showCalendarXY(id, format,moveX,moveY) {
  var el = document.getElementById(id);
  if (calendar != null) {
    // we already have some calendar created
    calendar.hide();                 // so we hide it first.
  } else {
    // first-time call, create the calendar.
    var cal = new Calendar(false, null, selected, closeHandler);
    // uncomment the following line to hide the week numbers
    // cal.weekNumbers = false;
    calendar = cal;                  // remember it in the global var
    cal.setRange(1900, 2070);        // min/max year allowed.
    cal.create();
  }
  calendar.setDateFormat(format);    // set the specified date format
  calendar.parseDate(el.value);      // try to parse the text in field
  calendar.sel = el;                 // inform it what input field we use
  calendar.showAtElementXY(el,moveX,moveY);
  return false;
}
function closeHandler(cal) {
  cal.hide();                        // hide the calendar
}

将上面的代码保存为
Calendar.js
然后在加上一个.css文件 calendar-blue.css/* The main calendar widget.  DIV containing a table. */div.calendar { position: relative; }.calendar, .calendar table {
  border: 1px solid #556;
  font-size: 11px;
  color: #000;
  cursor: default;
  background: #eef;
  font-family: tahoma,verdana,sans-serif;
}/* Header part -- contains navigation buttons and day names. */.calendar .calendarButton { /* "<<", "<", ">", ">>" buttons have this class */
  text-align: center;    /* They are the navigation buttons */
  padding: 2px;          /* Make the buttons seem like they're pressing */
}.calendar thead .title { /* This holds the current "month, year" */
  font-weight: bold;      /* Pressing it will take you to the current date */
  text-align: center;
  background: #fff;
  color: #000;
  padding: 2px;
}.calendar thead .headrow { /* Row <TR> containing navigation buttons */
  background: #778;
  color: #fff;
}.calendar thead .daynames { /* Row <TR> containing the day names */
  background: #bdf;
}.calendar thead .name { /* Cells <TD> containing the day names */
  border-bottom: 1px solid #556;
  padding: 2px;
  text-align: center;
  color: #000;
}.calendar thead .weekend { /* How a weekend day name shows in header */
  color: #a66;
}.calendar thead .hilite { /* How do the buttons in header appear when hover */
  background: #aaf;
  color: #000;
  border: 1px solid #04f;
  padding: 1px;
}.calendar thead .active { /* Active (pressed) buttons in header */
  background: #77c;
  padding: 2px 0px 0px 2px;
}/* The body part -- contains all the days in month. */.calendar tbody .day { /* Cells <TD> containing month days dates */
  width: 2em;
  color: #456;
  text-align: right;
  padding: 2px 4px 2px 2px;
}.calendar table .wn {
  padding: 2px 3px 2px 2px;
  border-right: 1px solid #000;
  background: #bdf;
}.calendar tbody .rowhilite td {
  background: #def;
}.calendar tbody .rowhilite td.wn {
  background: #eef;
}.calendar tbody td.hilite { /* Hovered cells <TD> */
  background: #def;
  padding: 1px 3px 1px 1px;
  border: 1px solid #bbb;
}.calendar tbody td.active { /* Active (pressed) cells <TD> */
  background: #cde;
  padding: 2px 2px 0px 2px;
}.calendar tbody td.selected { /* Cell showing today date */
  font-weight: bold;
  border: 1px solid #000;
  padding: 1px 3px 1px 1px;
  background: #fff;
  color: #000;
}.calendar tbody td.weekend { /* Cells showing weekend days */
  color: #a66;
}.calendar tbody td.today { /* Cell showing selected date */
  font-weight: bold;
  color: #00f;
}.calendar tbody .disabled { color: #999; }.calendar tbody .emptycell { /* Empty cells (the best is to hide them) */
  visibility: hidden;
}.calendar tbody .emptyrow { /* Empty row (some months need less than 6 rows) */
  display: none;
}/* The footer part -- status bar and "Close" button */.calendar tfoot .footrow { /* The <TR> in footer (only one right now) */
  text-align: center;
  background: #556;
  color: #fff;
}.calendar tfoot .ttip { /* Tooltip (status bar) cell <TD> */
  background: #fff;
  color: #445;
  border-top: 1px solid #556;
  padding: 1px;
}.calendar tfoot .hilite { /* Hover style for buttons in footer */
  background: #aaf;
  border: 1px solid #04f;
  color: #000;
  padding: 1px;
}.calendar tfoot .active { /* Active (pressed) style for buttons in footer */
  background: #77c;
  padding: 2px 0px 0px 2px;
}/* Combo boxes (menus that display months/years for direct selection) */.combo {
  position: absolute;
  display: none;
  top: 0px;
  left: 0px;
  width: 4em;
  cursor: default;
  border: 1px solid #655;
  background: #def;
  color: #000;
  font-size: smaller;
}.combo .label {
  width: 100%;
  text-align: center;
}.combo .hilite {
  background: #acf;
}.combo .active {
  border-top: 1px solid #46a;
  border-bottom: 1px solid #46a;
  background: #eef;
  font-weight: bold;
}.pclass{ font-size: 14px; color: #000000;}
.tableclass TD{ font-size: 14px;TEXT-DECORATION: none;  color: #000000;line-height:140%;}
.tableclass TD a{font-size: 14px;TEXT-DECORATION: none;  color: #003399;line-height:140%;}
.bodyclass body{  font-family: "宋体"; font-size: 12px; font-style: normal}
.bodyclass button {FONT-FAMILY: "宋体"; FONT-SIZE: 12px; HEIGHT: 18px; WIDTH: 45px;color: 000000 ;}
.bodyclass form {FONT-FAMILY: "宋体"; FONT-SIZE: 9pt; HEIGHT: 18px; color: 000000 ;}

页面使用例子...<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
  <TITLE> New Document </TITLE>
  <link href="calendar-blue.css" type=text/css rel=stylesheet>
  <script language=javascript src="Calendar.js"></script>
</HEAD> <BODY>
  <INPUT TYPE="text" id="myCalendar" value="" onmouseover="return showCalendar('myCalendar', 'y-mm-dd');">
</BODY>
</HTML>

这类复合控件，
1.会用JS来实现这个吧，
2.把JS实现的代码在复合控件里的Render里输出
3.在复合控件里RaisePostDataChangedEvent写个EventHandler，做个文本改变事件什么的
基本上就能搞定，
－－－－－－－－－－－－
当然，得写过复合控件，用过JS来实现过日历或懂用JS如何实现。。

已经将这个放到网上
楼主可以直接下载使用http://blog.csdn.net/hertcloud/archive/2007/04/12/1561713.aspx

调试易

如何制作这样的calender控件？

解决方案 »