update jscalendar
[freeside.git] / httemplate / elements / calendar.js
index 772931b..ec18d80 100644 (file)
@@ -1,23 +1,23 @@
-/*  Copyright Mihai Bazon, 2002, 2003  |  http://students.infoiasi.ro/~mishoo
- * ---------------------------------------------------------------------------
+/*  Copyright Mihai Bazon, 2002, 2003  |  http://dynarch.com/mishoo/
+ * ------------------------------------------------------------------
  *
- * The DHTML Calendar, version 0.9.3 "It's still alive & keeps rocking"
+ * The DHTML Calendar, version 0.9.6 "Keep cool but don't freeze"
  *
  * Details and latest version at:
- * http://students.infoiasi.ro/~mishoo/site/calendar.epl
+ * http://dynarch.com/mishoo/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.
+ * This script is distributed under the GNU Lesser General Public License.
+ * Read the entire license text here: http://www.gnu.org/licenses/lgpl.html
  */
 
-// $Id: calendar.js,v 1.2 2003-09-30 08:23:15 ivan Exp $
+// $Id: calendar.js,v 1.4 2004-09-22 11:04:41 ivan Exp $
 
 /** The Calendar object constructor. */
-Calendar = function (mondayFirst, dateStr, onSelected, onClose) {
+Calendar = function (firstDayOfWeek, dateStr, onSelected, onClose) {
        // member variables
        this.activeDiv = null;
        this.currentDateEl = null;
-       this.checkDisabled = null;
+       this.getDateStatus = null;
        this.timeout = null;
        this.onSelected = onSelected || null;
        this.onClose = onClose || null;
@@ -29,9 +29,13 @@ Calendar = function (mondayFirst, dateStr, onSelected, onClose) {
        this.ttDateFormat = Calendar._TT["TT_DATE_FORMAT"];
        this.isPopup = true;
        this.weekNumbers = true;
-       this.mondayFirst = mondayFirst;
+       this.firstDayOfWeek = firstDayOfWeek; // 0 for Sunday, 1 for Monday, etc.
+       this.showsOtherMonths = false;
        this.dateStr = dateStr;
        this.ar_days = null;
+       this.showsTime = false;
+       this.time24 = true;
+       this.yearStep = 2;
        // HTML elements
        this.table = null;
        this.element = null;
@@ -48,19 +52,23 @@ Calendar = function (mondayFirst, dateStr, onSelected, onClose) {
        this.dateClicked = false;
 
        // one-time initializations
-       if (!Calendar._DN3) {
+       if (typeof Calendar._SDN == "undefined") {
                // table of short day names
+               if (typeof Calendar._SDN_len == "undefined")
+                       Calendar._SDN_len = 3;
                var ar = new Array();
                for (var i = 8; i > 0;) {
-                       ar[--i] = Calendar._DN[i].substr(0, 3);
+                       ar[--i] = Calendar._DN[i].substr(0, Calendar._SDN_len);
                }
-               Calendar._DN3 = ar;
+               Calendar._SDN = ar;
                // table of short month names
+               if (typeof Calendar._SMN_len == "undefined")
+                       Calendar._SMN_len = 3;
                ar = new Array();
                for (var i = 12; i > 0;) {
-                       ar[--i] = Calendar._MN[i].substr(0, 3);
+                       ar[--i] = Calendar._MN[i].substr(0, Calendar._SMN_len);
                }
-               Calendar._MN3 = ar;
+               Calendar._SMN = ar;
        }
 };
 
@@ -73,19 +81,27 @@ Calendar._C = null;
 Calendar.is_ie = ( /msie/i.test(navigator.userAgent) &&
                   !/opera/i.test(navigator.userAgent) );
 
-// short day names array (initialized at first constructor call)
-Calendar._DN3 = null;
+Calendar.is_ie5 = ( Calendar.is_ie && /msie 5\.0/i.test(navigator.userAgent) );
 
-// short month names array (initialized at first constructor call)
-Calendar._MN3 = null;
+/// detect Opera browser
+Calendar.is_opera = /opera/i.test(navigator.userAgent);
+
+/// detect KHTML-based browsers
+Calendar.is_khtml = /Konqueror|Safari|KHTML/i.test(navigator.userAgent);
 
 // 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 };
+       var SL = 0, ST = 0;
+       var is_div = /^div$/i.test(el.tagName);
+       if (is_div && el.scrollLeft)
+               SL = el.scrollLeft;
+       if (is_div && el.scrollTop)
+               ST = el.scrollTop;
+       var r = { x: el.offsetLeft - SL, y: el.offsetTop - ST };
        if (el.offsetParent) {
-               var tmp = Calendar.getAbsolutePos(el.offsetParent);
+               var tmp = this.getAbsolutePos(el.offsetParent);
                r.x += tmp.x;
                r.y += tmp.y;
        }
@@ -147,9 +163,10 @@ Calendar.getTargetElement = function(ev) {
 };
 
 Calendar.stopEvent = function(ev) {
+       ev || (ev = window.event);
        if (Calendar.is_ie) {
-               window.event.cancelBubble = true;
-               window.event.returnValue = false;
+               ev.cancelBubble = true;
+               ev.returnValue = false;
        } else {
                ev.preventDefault();
                ev.stopPropagation();
@@ -162,7 +179,7 @@ Calendar.addEvent = function(el, evname, func) {
                el.attachEvent("on" + evname, func);
        } else if (el.addEventListener) { // Gecko / W3C
                el.addEventListener(evname, func, true);
-       } else { // Opera (or old browsers)
+       } else {
                el["on" + evname] = func;
        }
 };
@@ -172,7 +189,7 @@ Calendar.removeEvent = function(el, evname, func) {
                el.detachEvent("on" + evname, func);
        } else if (el.removeEventListener) { // Gecko / W3C
                el.removeEventListener(evname, func, true);
-       } else { // Opera (or old browsers)
+       } else {
                el["on" + evname] = null;
        }
 };
@@ -244,9 +261,18 @@ Calendar.showMonthsCombo = function () {
        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";
+       var s = mc.style;
+       s.display = "block";
+       if (cd.navtype < 0)
+               s.left = cd.offsetLeft + "px";
+       else {
+               var mcw = mc.offsetWidth;
+               if (typeof mcw == "undefined")
+                       // Konqueror brain-dead techniques
+                       mcw = 50;
+               s.left = (cd.offsetLeft + cd.offsetWidth - mcw) + "px";
+       }
+       s.top = (cd.offsetTop + cd.offsetHeight) + "px";
 };
 
 Calendar.showYearsCombo = function (fwd) {
@@ -277,12 +303,21 @@ Calendar.showYearsCombo = function (fwd) {
                        yr.style.display = "none";
                }
                yr = yr.nextSibling;
-               Y += fwd ? 2 : -2;
+               Y += fwd ? cal.yearStep : -cal.yearStep;
        }
        if (show) {
-               yc.style.left = cd.offsetLeft + "px";
-               yc.style.top = (cd.offsetTop + cd.offsetHeight) + "px";
-               yc.style.display = "block";
+               var s = yc.style;
+               s.display = "block";
+               if (cd.navtype < 0)
+                       s.left = cd.offsetLeft + "px";
+               else {
+                       var ycw = yc.offsetWidth;
+                       if (typeof ycw == "undefined")
+                               // Konqueror brain-dead techniques
+                               ycw = 50;
+                       s.left = (cd.offsetLeft + cd.offsetWidth - ycw) + "px";
+               }
+               s.top = (cd.offsetTop + cd.offsetHeight) + "px";
        }
 };
 
@@ -301,9 +336,10 @@ Calendar.tableMouseUp = function(ev) {
                return false;
        }
        var target = Calendar.getTargetElement(ev);
+       ev || (ev = window.event);
        Calendar.removeClass(el, "active");
        if (target == el || target.parentNode == el) {
-               Calendar.cellClick(el);
+               Calendar.cellClick(el, ev);
        }
        var mon = Calendar.findMonth(target);
        var date = null;
@@ -348,10 +384,42 @@ Calendar.tableMouseOver = function (ev) {
                Calendar.addClass(el, "hilite active");
                Calendar.addClass(el.parentNode, "rowhilite");
        } else {
-               Calendar.removeClass(el, "active");
+               if (typeof el.navtype == "undefined" || (el.navtype != 50 && (el.navtype == 0 || Math.abs(el.navtype) > 2)))
+                       Calendar.removeClass(el, "active");
                Calendar.removeClass(el, "hilite");
                Calendar.removeClass(el.parentNode, "rowhilite");
        }
+       ev || (ev = window.event);
+       if (el.navtype == 50 && target != el) {
+               var pos = Calendar.getAbsolutePos(el);
+               var w = el.offsetWidth;
+               var x = ev.clientX;
+               var dx;
+               var decrease = true;
+               if (x > pos.x + w) {
+                       dx = x - pos.x - w;
+                       decrease = false;
+               } else
+                       dx = pos.x - x;
+
+               if (dx < 0) dx = 0;
+               var range = el._range;
+               var current = el._current;
+               var count = Math.floor(dx / 10) % range.length;
+               for (var i = range.length; --i >= 0;)
+                       if (range[i] == current)
+                               break;
+               while (count-- > 0)
+                       if (decrease) {
+                               if (--i < 0)
+                                       i = range.length - 1;
+                       } else if ( ++i >= range.length )
+                               i = 0;
+               var newval = range[i];
+               el.firstChild.data = newval;
+
+               cal.onUpdateTime();
+       }
        var mon = Calendar.findMonth(target);
        if (mon) {
                if (mon.month != cal.date.getMonth()) {
@@ -364,6 +432,9 @@ Calendar.tableMouseOver = function (ev) {
                        Calendar.removeClass(cal.hilitedMonth, "hilite");
                }
        } else {
+               if (cal.hilitedMonth) {
+                       Calendar.removeClass(cal.hilitedMonth, "hilite");
+               }
                var year = Calendar.findYear(target);
                if (year) {
                        if (year.year != cal.date.getFullYear()) {
@@ -375,6 +446,8 @@ Calendar.tableMouseOver = function (ev) {
                        } else if (cal.hilitedYear) {
                                Calendar.removeClass(cal.hilitedYear, "hilite");
                        }
+               } else if (cal.hilitedYear) {
+                       Calendar.removeClass(cal.hilitedYear, "hilite");
                }
        }
        return Calendar.stopEvent(ev);
@@ -415,7 +488,6 @@ Calendar.calDragEnd = function (ev) {
        cal.dragging = false;
        with (Calendar) {
                removeEvent(document, "mousemove", calDragIt);
-               removeEvent(document, "mouseover", stopEvent);
                removeEvent(document, "mouseup", calDragEnd);
                tableMouseUp(ev);
        }
@@ -431,16 +503,21 @@ Calendar.dayMouseDown = function(ev) {
        cal.activeDiv = el;
        Calendar._C = cal;
        if (el.navtype != 300) with (Calendar) {
+               if (el.navtype == 50) {
+                       el._current = el.firstChild.data;
+                       addEvent(document, "mousemove", tableMouseOver);
+               } else
+                       addEvent(document, Calendar.is_ie5 ? "mousemove" : "mouseover", tableMouseOver);
                addClass(el, "hilite active");
-               addEvent(document, "mouseover", tableMouseOver);
-               addEvent(document, "mousemove", tableMouseOver);
                addEvent(document, "mouseup", tableMouseUp);
        } else if (cal.isPopup) {
                cal._dragStart(ev);
        }
        if (el.navtype == -1 || el.navtype == 1) {
+               if (cal.timeout) clearTimeout(cal.timeout);
                cal.timeout = setTimeout("Calendar.showMonthsCombo()", 250);
        } else if (el.navtype == -2 || el.navtype == 2) {
+               if (cal.timeout) clearTimeout(cal.timeout);
                cal.timeout = setTimeout((el.navtype > 0) ? "Calendar.showYearsCombo(true)" : "Calendar.showYearsCombo(false)", 250);
        } else {
                cal.timeout = null;
@@ -449,7 +526,7 @@ Calendar.dayMouseDown = function(ev) {
 };
 
 Calendar.dayMouseDblClick = function(ev) {
-       Calendar.cellClick(Calendar.getElement(ev));
+       Calendar.cellClick(Calendar.getElement(ev), ev || window.event);
        if (Calendar.is_ie) {
                document.selection.empty();
        }
@@ -462,11 +539,7 @@ Calendar.dayMouseOver = function(ev) {
        }
        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.ttip = el.caldate.print(el.calendar.ttDateFormat) + el.ttip.substr(1);
                }
                el.calendar.tooltips.firstChild.data = el.ttip;
        }
@@ -498,7 +571,7 @@ Calendar.dayMouseOut = function(ev) {
  *  A generic "click" handler :) handles all types of buttons defined in this
  *  calendar.
  */
-Calendar.cellClick = function(el) {
+Calendar.cellClick = function(el, ev) {
        var cal = el.calendar;
        var closing = false;
        var newdate = false;
@@ -510,11 +583,12 @@ Calendar.cellClick = function(el) {
                if (!closing) {
                        cal.currentDateEl = el;
                }
-               cal.date.setDate(el.caldate);
+               cal.date = new Date(el.caldate);
                date = cal.date;
                newdate = true;
                // a date was clicked
-               cal.dateClicked = true;
+               if (!(cal.dateClicked = !el.otherMonth))
+                       cal._init(cal.firstDayOfWeek, date);
        } else {
                if (el.navtype == 200) {
                        Calendar.removeClass(el, "hilite");
@@ -525,7 +599,8 @@ Calendar.cellClick = function(el) {
                // unless "today" was clicked, we assume no date was clicked so
                // the selected handler will know not to close the calenar when
                // in single-click mode.
-               cal.dateClicked = (el.navtype == 0);
+               // cal.dateClicked = (el.navtype == 0);
+               cal.dateClicked = false;
                var year = date.getFullYear();
                var mon = date.getMonth();
                function setMonth(m) {
@@ -537,6 +612,22 @@ Calendar.cellClick = function(el) {
                        date.setMonth(m);
                };
                switch (el.navtype) {
+                   case 400:
+                       Calendar.removeClass(el, "hilite");
+                       var text = Calendar._TT["ABOUT"];
+                       if (typeof text != "undefined") {
+                               text += cal.showsTime ? Calendar._TT["ABOUT_TIME"] : "";
+                       } else {
+                               // FIXME: this should be removed as soon as lang files get updated!
+                               text = "Help and about box text is not translated into this language.\n" +
+                                       "If you know this language and you feel generous please update\n" +
+                                       "the corresponding file in \"lang\" subdir to match calendar-en.js\n" +
+                                       "and send it back to <mishoo@infoiasi.ro> to get it into the distribution  ;-)\n\n" +
+                                       "Thank you!\n" +
+                                       "http://dynarch.com/mishoo/calendar.epl\n";
+                       }
+                       alert(text);
+                       return;
                    case -2:
                        if (year > cal.minYear) {
                                date.setFullYear(year - 1);
@@ -564,11 +655,26 @@ Calendar.cellClick = function(el) {
                        }
                        break;
                    case 100:
-                       cal.setMondayFirst(!cal.mondayFirst);
+                       cal.setFirstDayOfWeek(el.fdow);
+                       return;
+                   case 50:
+                       var range = el._range;
+                       var current = el.firstChild.data;
+                       for (var i = range.length; --i >= 0;)
+                               if (range[i] == current)
+                                       break;
+                       if (ev && ev.shiftKey) {
+                               if (--i < 0)
+                                       i = range.length - 1;
+                       } else if ( ++i >= range.length )
+                               i = 0;
+                       var newval = range[i];
+                       el.firstChild.data = newval;
+                       cal.onUpdateTime();
                        return;
                    case 0:
                        // TODAY will bring us here
-                       if ((typeof cal.checkDisabled == "function") && cal.checkDisabled(date)) {
+                       if ((typeof cal.getDateStatus == "function") && cal.getDateStatus(date, date.getFullYear(), date.getMonth(), date.getDate())) {
                                // remember, "date" was previously set to new
                                // Date() if TODAY was clicked; thus, it
                                // contains today date.
@@ -638,6 +744,8 @@ Calendar.prototype.create = function (_par) {
                cell = Calendar.createElement("td", row);
                cell.colSpan = cs;
                cell.className = "button";
+               if (navtype != 0 && Math.abs(navtype) <= 2)
+                       cell.className += " nav";
                Calendar._add_evs(cell);
                cell.calendar = cal;
                cell.navtype = navtype;
@@ -656,7 +764,7 @@ Calendar.prototype.create = function (_par) {
        (this.isPopup) && --title_length;
        (this.weekNumbers) && ++title_length;
 
-       hh("-", 1, 100).ttip = Calendar._TT["TOGGLE"];
+       hh("?", 1, 400).ttip = Calendar._TT["INFO"];
        this.title = hh("", title_length, 300);
        this.title.className = "title";
        if (this.isPopup) {
@@ -720,6 +828,96 @@ Calendar.prototype.create = function (_par) {
                }
        }
 
+       if (this.showsTime) {
+               row = Calendar.createElement("tr", tbody);
+               row.className = "time";
+
+               cell = Calendar.createElement("td", row);
+               cell.className = "time";
+               cell.colSpan = 2;
+               cell.innerHTML = Calendar._TT["TIME"] || "&nbsp;";
+
+               cell = Calendar.createElement("td", row);
+               cell.className = "time";
+               cell.colSpan = this.weekNumbers ? 4 : 3;
+
+               (function(){
+                       function makeTimePart(className, init, range_start, range_end) {
+                               var part = Calendar.createElement("span", cell);
+                               part.className = className;
+                               part.appendChild(document.createTextNode(init));
+                               part.calendar = cal;
+                               part.ttip = Calendar._TT["TIME_PART"];
+                               part.navtype = 50;
+                               part._range = [];
+                               if (typeof range_start != "number")
+                                       part._range = range_start;
+                               else {
+                                       for (var i = range_start; i <= range_end; ++i) {
+                                               var txt;
+                                               if (i < 10 && range_end >= 10) txt = '0' + i;
+                                               else txt = '' + i;
+                                               part._range[part._range.length] = txt;
+                                       }
+                               }
+                               Calendar._add_evs(part);
+                               return part;
+                       };
+                       var hrs = cal.date.getHours();
+                       var mins = cal.date.getMinutes();
+                       var t12 = !cal.time24;
+                       var pm = (hrs > 12);
+                       if (t12 && pm) hrs -= 12;
+                       var H = makeTimePart("hour", hrs, t12 ? 1 : 0, t12 ? 12 : 23);
+                       var span = Calendar.createElement("span", cell);
+                       span.appendChild(document.createTextNode(":"));
+                       span.className = "colon";
+                       var M = makeTimePart("minute", mins, 0, 59);
+                       var AP = null;
+                       cell = Calendar.createElement("td", row);
+                       cell.className = "time";
+                       cell.colSpan = 2;
+                       if (t12)
+                               AP = makeTimePart("ampm", pm ? "pm" : "am", ["am", "pm"]);
+                       else
+                               cell.innerHTML = "&nbsp;";
+
+                       cal.onSetTime = function() {
+                               var hrs = this.date.getHours();
+                               var mins = this.date.getMinutes();
+                               var pm = (hrs > 12);
+                               if (pm && t12) hrs -= 12;
+                               H.firstChild.data = (hrs < 10) ? ("0" + hrs) : hrs;
+                               M.firstChild.data = (mins < 10) ? ("0" + mins) : mins;
+                               if (t12)
+                                       AP.firstChild.data = pm ? "pm" : "am";
+                       };
+
+                       cal.onUpdateTime = function() {
+                               var date = this.date;
+                               var h = parseInt(H.firstChild.data, 10);
+                               if (t12) {
+                                       if (/pm/i.test(AP.firstChild.data) && h < 12)
+                                               h += 12;
+                                       else if (/am/i.test(AP.firstChild.data) && h == 12)
+                                               h = 0;
+                               }
+                               var d = date.getDate();
+                               var m = date.getMonth();
+                               var y = date.getFullYear();
+                               date.setHours(h);
+                               date.setMinutes(parseInt(M.firstChild.data, 10));
+                               date.setFullYear(y);
+                               date.setMonth(m);
+                               date.setDate(d);
+                               this.dateClicked = false;
+                               this.callHandler();
+                       };
+               })();
+       } else {
+               this.onSetTime = this.onUpdateTime = function() {};
+       }
+
        var tfoot = Calendar.createElement("tfoot", table);
 
        row = Calendar.createElement("tr", tfoot);
@@ -738,9 +936,9 @@ Calendar.prototype.create = function (_par) {
        div.className = "combo";
        for (i = 0; i < Calendar._MN.length; ++i) {
                var mn = Calendar.createElement("div");
-               mn.className = "label";
+               mn.className = Calendar.is_ie ? "label-IEfix" : "label";
                mn.month = i;
-               mn.appendChild(document.createTextNode(Calendar._MN3[i]));
+               mn.appendChild(document.createTextNode(Calendar._SMN[i]));
                div.appendChild(mn);
        }
 
@@ -749,12 +947,12 @@ Calendar.prototype.create = function (_par) {
        div.className = "combo";
        for (i = 12; i > 0; --i) {
                var yr = Calendar.createElement("div");
-               yr.className = "label";
+               yr.className = Calendar.is_ie ? "label-IEfix" : "label";
                yr.appendChild(document.createTextNode(""));
                div.appendChild(yr);
        }
 
-       this._init(this.mondayFirst, this.date);
+       this._init(this.firstDayOfWeek, this.date);
        parent.appendChild(this.element);
 };
 
@@ -788,7 +986,7 @@ Calendar._keyEvent = function(ev) {
                Calendar.cellClick(cal._nav_now);
                break;
            case 27: // KEY esc
-               act && cal.hide();
+               act && cal.callCloseHandler();
                break;
            case 37: // KEY left
            case 38: // KEY up
@@ -827,7 +1025,7 @@ Calendar._keyEvent = function(ev) {
                        }
                        Calendar.removeClass(el, "selected");
                        Calendar.addClass(ne, "selected");
-                       cal.date.setDate(ne.caldate);
+                       cal.date = new Date(ne.caldate);
                        cal.callHandler();
                        cal.currentDateEl = ne;
                }
@@ -845,12 +1043,11 @@ Calendar._keyEvent = function(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.
+ *  (RE)Initializes the calendar to the given date and firstDayOfWeek
  */
-Calendar.prototype._init = function (mondayFirst, date) {
+Calendar.prototype._init = function (firstDayOfWeek, date) {
        var today = new Date();
+       this.table.style.visibility = "hidden";
        var year = date.getFullYear();
        if (year < this.minYear) {
                year = this.minYear;
@@ -859,82 +1056,93 @@ Calendar.prototype._init = function (mondayFirst, date) {
                year = this.maxYear;
                date.setFullYear(year);
        }
-       this.mondayFirst = mondayFirst;
+       this.firstDayOfWeek = firstDayOfWeek;
        this.date = new Date(date);
        var month = date.getMonth();
        var mday = date.getDate();
        var no_days = date.getMonthDays();
+
+       // calendar voodoo for computing the first day that would actually be
+       // displayed in the calendar, even if it's from the previous month.
+       // WARNING: this is magic. ;-)
        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 day1 = (date.getDay() - this.firstDayOfWeek) % 7;
+       if (day1 < 0)
+               day1 += 7;
+       date.setDate(-day1);
+       date.setDate(date.getDate() + 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 MN = Calendar._SMN[month];
        var ar_days = new Array();
-       for (var i = 0; i < 6; ++i) {
-               if (iday > no_days) {
-                       row.className = "emptyrow";
-                       row = row.nextSibling;
-                       continue;
-               }
+       var weekend = Calendar._TT["WEEKEND"];
+       for (var i = 0; i < 6; ++i, row = row.nextSibling) {
                var cell = row.firstChild;
                if (this.weekNumbers) {
                        cell.className = "day wn";
-                       cell.firstChild.data = week_number;
+                       cell.firstChild.data = date.getWeekNumber();
                        cell = cell.nextSibling;
                }
-               ++week_number;
                row.className = "daysrow";
-               for (var j = 0; j < 7; ++j) {
+               var hasdays = false;
+               for (var j = 0; j < 7; ++j, cell = cell.nextSibling, date.setDate(date.getDate() + 1)) {
+                       var iday = date.getDate();
+                       var wday = date.getDay();
                        cell.className = "day";
-                       if ((!i && j < wday) || iday > no_days) {
-                               // cell.className = "emptycell";
-                               cell.innerHTML = "&nbsp;";
-                               cell.disabled = true;
-                               cell = cell.nextSibling;
-                               continue;
+                       var current_month = (date.getMonth() == month);
+                       if (!current_month) {
+                               if (this.showsOtherMonths) {
+                                       cell.className += " othermonth";
+                                       cell.otherMonth = true;
+                               } else {
+                                       cell.className = "emptycell";
+                                       cell.innerHTML = "&nbsp;";
+                                       cell.disabled = true;
+                                       continue;
+                               }
+                       } else {
+                               cell.otherMonth = false;
+                               hasdays = true;
                        }
                        cell.disabled = false;
                        cell.firstChild.data = iday;
-                       if (typeof this.checkDisabled == "function") {
-                               date.setDate(iday);
-                               if (this.checkDisabled(date)) {
+                       if (typeof this.getDateStatus == "function") {
+                               var status = this.getDateStatus(date, year, month, iday);
+                               if (status === true) {
                                        cell.className += " disabled";
                                        cell.disabled = true;
+                               } else {
+                                       if (/disabled/i.test(status))
+                                               cell.disabled = true;
+                                       cell.className += " " + status;
                                }
                        }
                        if (!cell.disabled) {
                                ar_days[ar_days.length] = cell;
-                               cell.caldate = iday;
+                               cell.caldate = new Date(date);
                                cell.ttip = "_";
-                               if (iday == mday) {
+                               if (current_month && iday == mday) {
                                        cell.className += " selected";
                                        this.currentDateEl = cell;
                                }
-                               if (hasToday && (iday == todayDate)) {
+                               if (date.getFullYear() == today.getFullYear() &&
+                                   date.getMonth() == today.getMonth() &&
+                                   iday == today.getDate()) {
                                        cell.className += " today";
                                        cell.ttip += Calendar._TT["PART_TODAY"];
                                }
-                               if (wday == SAT || wday == SUN) {
-                                       cell.className += " weekend";
+                               if (weekend.indexOf(wday.toString()) != -1) {
+                                       cell.className += cell.otherMonth ? " oweekend" : " weekend";
                                }
                        }
-                       ++iday;
-                       ((++wday) ^ 7) || (wday = 0);
-                       cell = cell.nextSibling;
                }
-               row = row.nextSibling;
+               if (!(hasdays || this.showsOtherMonths))
+                       row.className = "emptyrow";
        }
        this.ar_days = ar_days;
        this.title.firstChild.data = Calendar._MN[month] + ", " + year;
+       this.onSetTime();
+       this.table.style.visibility = "visible";
        // PROFILE
        // this.tooltips.firstChild.data = "Generated in " + ((new Date()) - today) + " ms";
 };
@@ -945,7 +1153,7 @@ Calendar.prototype._init = function (mondayFirst, date) {
  */
 Calendar.prototype.setDate = function (date) {
        if (!date.equalsTo(this.date)) {
-               this._init(this.mondayFirst, date);
+               this._init(this.firstDayOfWeek, date);
        }
 };
 
@@ -956,12 +1164,12 @@ Calendar.prototype.setDate = function (date) {
  *  should * change.
  */
 Calendar.prototype.refresh = function () {
-       this._init(this.mondayFirst, this.date);
+       this._init(this.firstDayOfWeek, this.date);
 };
 
-/** Modifies the "mondayFirst" parameter (EU/US style). */
-Calendar.prototype.setMondayFirst = function (mondayFirst) {
-       this._init(mondayFirst, this.date);
+/** Modifies the "firstDayOfWeek" parameter (pass 0 for Synday, 1 for Monday, etc.). */
+Calendar.prototype.setFirstDayOfWeek = function (firstDayOfWeek) {
+       this._init(firstDayOfWeek, this.date);
        this._displayWeekdays();
 };
 
@@ -971,8 +1179,8 @@ Calendar.prototype.setMondayFirst = function (mondayFirst) {
  *  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;
+Calendar.prototype.setDateStatusHandler = Calendar.prototype.setDisabledHandler = function (unaryFunction) {
+       this.getDateStatus = unaryFunction;
 };
 
 /** Customization of allowed year range for the calendar. */
@@ -1001,6 +1209,7 @@ Calendar.prototype.destroy = function () {
        var el = this.element.parentNode;
        el.removeChild(this.element);
        Calendar._C = null;
+       window.calendar = null;
 };
 
 /**
@@ -1082,37 +1291,72 @@ Calendar.prototype.showAt = function (x, y) {
 
 /** Shows the calendar near a given element. */
 Calendar.prototype.showAtElement = function (el, opts) {
+       var self = this;
        var p = Calendar.getAbsolutePos(el);
        if (!opts || typeof opts != "string") {
                this.showAt(p.x, p.y + el.offsetHeight);
                return true;
        }
-       this.show();
-       var w = this.element.offsetWidth;
-       var h = this.element.offsetHeight;
-       this.hide();
-       var valign = opts.substr(0, 1);
-       var halign = "l";
-       if (opts.length > 1) {
-               halign = opts.substr(1, 1);
-       }
-       // vertical alignment
-        switch (valign) {
-           case "T": p.y -= h; break;
-           case "B": p.y += el.offsetHeight; break;
-           case "C": p.y += (el.offsetHeight - h) / 2; break;
-           case "t": p.y += el.offsetHeight - h; break;
-           case "b": break; // already there
-        }
-       // horizontal alignment
-       switch (halign) {
-           case "L": p.x -= w; break;
-           case "R": p.x += el.offsetWidth; break;
-           case "C": p.x += (el.offsetWidth - w) / 2; break;
-           case "r": p.x += el.offsetWidth - w; break;
-           case "l": break; // already there
-       }
-       this.showAt(p.x, p.y);
+       function fixPosition(box) {
+               if (box.x < 0)
+                       box.x = 0;
+               if (box.y < 0)
+                       box.y = 0;
+               var cp = document.createElement("div");
+               var s = cp.style;
+               s.position = "absolute";
+               s.right = s.bottom = s.width = s.height = "0px";
+               document.body.appendChild(cp);
+               var br = Calendar.getAbsolutePos(cp);
+               document.body.removeChild(cp);
+               if (Calendar.is_ie) {
+                       br.y += document.body.scrollTop;
+                       br.x += document.body.scrollLeft;
+               } else {
+                       br.y += window.scrollY;
+                       br.x += window.scrollX;
+               }
+               var tmp = box.x + box.width - br.x;
+               if (tmp > 0) box.x -= tmp;
+               tmp = box.y + box.height - br.y;
+               if (tmp > 0) box.y -= tmp;
+       };
+       this.element.style.display = "block";
+       Calendar.continuation_for_the_fucking_khtml_browser = function() {
+               var w = self.element.offsetWidth;
+               var h = self.element.offsetHeight;
+               self.element.style.display = "none";
+               var valign = opts.substr(0, 1);
+               var halign = "l";
+               if (opts.length > 1) {
+                       halign = opts.substr(1, 1);
+               }
+               // vertical alignment
+               switch (valign) {
+                   case "T": p.y -= h; break;
+                   case "B": p.y += el.offsetHeight; break;
+                   case "C": p.y += (el.offsetHeight - h) / 2; break;
+                   case "t": p.y += el.offsetHeight - h; break;
+                   case "b": break; // already there
+               }
+               // horizontal alignment
+               switch (halign) {
+                   case "L": p.x -= w; break;
+                   case "R": p.x += el.offsetWidth; break;
+                   case "C": p.x += (el.offsetWidth - w) / 2; break;
+                   case "r": p.x += el.offsetWidth - w; break;
+                   case "l": break; // already there
+               }
+               p.width = w;
+               p.height = h + 40;
+               self.monthsCombo.style.display = "none";
+               fixPosition(p);
+               self.showAt(p.x, p.y);
+       };
+       if (Calendar.is_khtml)
+               setTimeout("Calendar.continuation_for_the_fucking_khtml_browser()", 10);
+       else
+               Calendar.continuation_for_the_fucking_khtml_browser();
 };
 
 /** Customizes the date format. */
@@ -1137,30 +1381,56 @@ Calendar.prototype.parseDate = function (str, fmt) {
        if (!fmt) {
                fmt = this.dateFormat;
        }
-       var b = fmt.split(/\W+/);
+       var b = fmt.match(/%./g);
        var i = 0, j = 0;
+       var hr = 0;
+       var min = 0;
        for (i = 0; i < a.length; ++i) {
-               if (b[i] == "D" || b[i] == "DD") {
+               if (!a[i])
                        continue;
-               }
-               if (b[i] == "d" || b[i] == "dd") {
+               switch (b[i]) {
+                   case "%d":
+                   case "%e":
                        d = parseInt(a[i], 10);
-               }
-               if (b[i] == "m" || b[i] == "mm") {
+                       break;
+
+                   case "%m":
                        m = parseInt(a[i], 10) - 1;
-               }
-               if ((b[i] == "y") || (b[i] == "yy")) {
+                       break;
+
+                   case "%Y":
+                   case "%y":
                        y = parseInt(a[i], 10);
                        (y < 100) && (y += (y > 29) ? 1900 : 2000);
-               }
-               if (b[i] == "M" || b[i] == "MM") {
+                       break;
+
+                   case "%b":
+                   case "%B":
                        for (j = 0; j < 12; ++j) {
                                if (Calendar._MN[j].substr(0, a[i].length).toLowerCase() == a[i].toLowerCase()) { m = j; break; }
                        }
+                       break;
+
+                   case "%H":
+                   case "%I":
+                   case "%k":
+                   case "%l":
+                       hr = parseInt(a[i], 10);
+                       break;
+
+                   case "%P":
+                   case "%p":
+                       if (/pm/i.test(a[i]) && hr < 12)
+                               hr += 12;
+                       break;
+
+                   case "%M":
+                       min = parseInt(a[i], 10);
+                       break;
                }
        }
        if (y != 0 && m != -1 && d != 0) {
-               this.setDate(new Date(y, m, d));
+               this.setDate(new Date(y, m, d, hr, min, 0));
                return;
        }
        y = 0; m = -1; d = 0;
@@ -1190,81 +1460,91 @@ Calendar.prototype.parseDate = function (str, fmt) {
                y = today.getFullYear();
        }
        if (m != -1 && d != 0) {
-               this.setDate(new Date(y, m, d));
+               this.setDate(new Date(y, m, d, hr, min, 0));
        }
 };
 
 Calendar.prototype.hideShowCovered = function () {
-       function getStyleProp(obj, style){
-               var value = obj.style[style];
-               if (!value) {
-                       if (document.defaultView && typeof (document.defaultView.getComputedStyle) == "function") { // Gecko, W3C
-                               value = document.defaultView.
-                                       getComputedStyle(obj, "").getPropertyValue(style);
-                       } else if (obj.currentStyle) { // IE
-                               value = obj.currentStyle[style];
-                       } else {
-                               value = obj.style[style];
+       var self = this;
+       Calendar.continuation_for_the_fucking_khtml_browser = function() {
+               function getVisib(obj){
+                       var value = obj.style.visibility;
+                       if (!value) {
+                               if (document.defaultView && typeof (document.defaultView.getComputedStyle) == "function") { // Gecko, W3C
+                                       if (!Calendar.is_khtml)
+                                               value = document.defaultView.
+                                                       getComputedStyle(obj, "").getPropertyValue("visibility");
+                                       else
+                                               value = '';
+                               } else if (obj.currentStyle) { // IE
+                                       value = obj.currentStyle.visibility;
+                               } else
+                                       value = '';
                        }
-               }
-               return value;
-       };
-
-       var tags = new Array("applet", "iframe", "select");
-       var el = this.element;
+                       return value;
+               };
 
-       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)) {
-                               if (!cc.__msh_save_visibility) {
-                                       cc.__msh_save_visibility = getStyleProp(cc, "visibility");
-                               }
-                               cc.style.visibility = cc.__msh_save_visibility;
-                       } else {
-                               if (!cc.__msh_save_visibility) {
-                                       cc.__msh_save_visibility = getStyleProp(cc, "visibility");
+               var tags = new Array("applet", "iframe", "select");
+               var el = self.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 (self.hidden || (CX1 > EX2) || (CX2 < EX1) || (CY1 > EY2) || (CY2 < EY1)) {
+                                       if (!cc.__msh_save_visibility) {
+                                               cc.__msh_save_visibility = getVisib(cc);
+                                       }
+                                       cc.style.visibility = cc.__msh_save_visibility;
+                               } else {
+                                       if (!cc.__msh_save_visibility) {
+                                               cc.__msh_save_visibility = getVisib(cc);
+                                       }
+                                       cc.style.visibility = "hidden";
                                }
-                               cc.style.visibility = "hidden";
                        }
                }
-       }
+       };
+       if (Calendar.is_khtml)
+               setTimeout("Calendar.continuation_for_the_fucking_khtml_browser()", 10);
+       else
+               Calendar.continuation_for_the_fucking_khtml_browser();
 };
 
 /** 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 fdow = this.firstDayOfWeek;
        var cell = this.firstdayname;
+       var weekend = Calendar._TT["WEEKEND"];
        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"];
+               var realday = (i + fdow) % 7;
+               if (i) {
+                       cell.ttip = Calendar._TT["DAY_FIRST"].replace("%s", Calendar._DN[realday]);
                        cell.navtype = 100;
                        cell.calendar = this;
+                       cell.fdow = realday;
                        Calendar._add_evs(cell);
                }
-               if (i == SUN || i == SAT) {
+               if (weekend.indexOf(realday.toString()) != -1) {
                        Calendar.addClass(cell, "weekend");
                }
-               cell.firstChild.data = Calendar._DN3[i + 1 - MON];
+               cell.firstChild.data = Calendar._SDN[(i + fdow) % 7];
                cell = cell.nextSibling;
        }
 };
@@ -1295,7 +1575,6 @@ Calendar.prototype._dragStart = function (ev) {
        this.yOffs = posY - parseInt(st.top);
        with (Calendar) {
                addEvent(document, "mousemove", calDragIt);
-               addEvent(document, "mouseover", stopEvent);
                addEvent(document, "mouseup", calDragEnd);
        }
 };
@@ -1325,55 +1604,112 @@ Date.prototype.getMonthDays = function(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() {
+/** Returns the number of day in the year. */
+Date.prototype.getDayOfYear = 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 then = new Date(this.getFullYear(), 0, 0, 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);
+       return Math.floor(time / Date.DAY);
+};
+
+/** Returns the number of the week in year, as defined in ISO 8601. */
+Date.prototype.getWeekNumber = function() {
+       var d = new Date(this.getFullYear(), this.getMonth(), this.getDate(), 0, 0, 0);
+       var DoW = d.getDay();
+       d.setDate(d.getDate() - (DoW + 6) % 7 + 3); // Nearest Thu
+       var ms = d.valueOf(); // GMT
+       d.setMonth(0);
+       d.setDate(4); // Thu in Week 1
+       return Math.round((ms - d.valueOf()) / (7 * 864e5)) + 1;
 };
 
 /** Checks dates equality (ignores time) */
 Date.prototype.equalsTo = function(date) {
        return ((this.getFullYear() == date.getFullYear()) &&
                (this.getMonth() == date.getMonth()) &&
-               (this.getDate() == date.getDate()));
+               (this.getDate() == date.getDate()) &&
+               (this.getHours() == date.getHours()) &&
+               (this.getMinutes() == date.getMinutes()));
 };
 
 /** Prints the date in a string according to the given format. */
-Date.prototype.print = function (frm) {
-       var str = new String(frm);
+Date.prototype.print = function (str) {
        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;
+       var s = {};
+       var hr = this.getHours();
+       var pm = (hr >= 12);
+       var ir = (pm) ? (hr - 12) : hr;
+       var dy = this.getDayOfYear();
+       if (ir == 0)
+               ir = 12;
+       var min = this.getMinutes();
+       var sec = this.getSeconds();
+       s["%a"] = Calendar._SDN[w]; // abbreviated weekday name [FIXME: I18N]
+       s["%A"] = Calendar._DN[w]; // full weekday name
+       s["%b"] = Calendar._SMN[m]; // abbreviated month name [FIXME: I18N]
+       s["%B"] = Calendar._MN[m]; // full month name
+       // FIXME: %c : preferred date and time representation for the current locale
+       s["%C"] = 1 + Math.floor(y / 100); // the century number
+       s["%d"] = (d < 10) ? ("0" + d) : d; // the day of the month (range 01 to 31)
+       s["%e"] = d; // the day of the month (range 1 to 31)
+       // FIXME: %D : american date style: %m/%d/%y
+       // FIXME: %E, %F, %G, %g, %h (man strftime)
+       s["%H"] = (hr < 10) ? ("0" + hr) : hr; // hour, range 00 to 23 (24h format)
+       s["%I"] = (ir < 10) ? ("0" + ir) : ir; // hour, range 01 to 12 (12h format)
+       s["%j"] = (dy < 100) ? ((dy < 10) ? ("00" + dy) : ("0" + dy)) : dy; // day of the year (range 001 to 366)
+       s["%k"] = hr;           // hour, range 0 to 23 (24h format)
+       s["%l"] = ir;           // hour, range 1 to 12 (12h format)
+       s["%m"] = (m < 9) ? ("0" + (1+m)) : (1+m); // month, range 01 to 12
+       s["%M"] = (min < 10) ? ("0" + min) : min; // minute, range 00 to 59
+       s["%n"] = "\n";         // a newline character
+       s["%p"] = pm ? "PM" : "AM";
+       s["%P"] = pm ? "pm" : "am";
+       // FIXME: %r : the time in am/pm notation %I:%M:%S %p
+       // FIXME: %R : the time in 24-hour notation %H:%M
+       s["%s"] = Math.floor(this.getTime() / 1000);
+       s["%S"] = (sec < 10) ? ("0" + sec) : sec; // seconds, range 00 to 59
+       s["%t"] = "\t";         // a tab character
+       // FIXME: %T : the time in 24-hour notation (%H:%M:%S)
+       s["%U"] = s["%W"] = s["%V"] = (wn < 10) ? ("0" + wn) : wn;
+       s["%u"] = w + 1;        // the day of the week (range 1 to 7, 1 = MON)
+       s["%w"] = w;            // the day of the week (range 0 to 6, 0 = SUN)
+       // FIXME: %x : preferred date representation for the current locale without the time
+       // FIXME: %X : preferred time representation for the current locale without the date
+       s["%y"] = ('' + y).substr(2, 2); // year without the century (range 00 to 99)
+       s["%Y"] = y;            // year with the century
+       s["%%"] = "%";          // a literal '%' character
+
+       var re = /%./g;
+       if (!Calendar.is_ie5)
+               return str.replace(re, function (par) { return s[par] || par; });
+
+       var a = str.match(re);
+       for (var i = 0; i < a.length; i++) {
+               var tmp = s[a[i]];
+               if (tmp) {
+                       re = new RegExp(a[i], 'g');
+                       str = str.replace(re, tmp);
+               }
        }
+
        return str;
 };
 
+Date.prototype.__msh_oldSetFullYear = Date.prototype.setFullYear;
+Date.prototype.setFullYear = function(y) {
+       var d = new Date(this);
+       d.__msh_oldSetFullYear(y);
+       if (d.getMonth() != this.getMonth())
+               this.setDate(28);
+       this.__msh_oldSetFullYear(y);
+};
+
 // END: DATE OBJECT PATCHES
 
+
 // global object that remembers the calendar
 window.calendar = null;