(function(D){
    D.fn.extend({
        renderCalendar: function(P){
            var X = function(Y){
                return document.createElement(Y)
            };
            P = D.extend({}, D.fn.datePicker.defaults, P);
            if (P.showHeader != D.dpConst.SHOW_HEADER_NONE) {
                var M = D(X("tr"));
                for (var S = Date.firstDayOfWeek; S < Date.firstDayOfWeek + 7; S++) {
                    var H = S % 7;
                    var R = Date.dayNames[H];
                    M.append(jQuery(X("th")).attr({
                        scope: "col",
                        abbr: R,
                        title: R,
                        "class": (H == 0 || H == 6 ? "weekend" : "weekday")
                    }).html(P.showHeader == D.dpConst.SHOW_HEADER_SHORT ? R.substr(0, 1) : R))
                }
            }
            var E = D(X("table")).attr({
                cellspacing: 2,
                className: "jCalendar"
            }).append((P.showHeader != D.dpConst.SHOW_HEADER_NONE ? D(X("thead")).append(M) : X("thead")));
            var F = D(X("tbody"));
            var U = (new Date()).zeroTime();
            var W = P.month == undefined ? U.getMonth() : P.month;
            var N = P.year || U.getFullYear();
            var K = new Date(N, W, 1);
            var J = Date.firstDayOfWeek - K.getDay() + 1;
            if (J > 1) {
                J -= 7
            }
            var O = Math.ceil(((-1 * J + 1) + K.getDaysInMonth()) / 7);
            K.addDays(J - 1);
            var V = function(){
                if (P.hoverClass) {
                    D(this).addClass(P.hoverClass)
                }
            };
            var G = function(){
                if (P.hoverClass) {
                    D(this).removeClass(P.hoverClass)
                }
            };
            var L = 0;
            while (L++ < O) {
                var Q = jQuery(X("tr"));
                for (var S = 0; S < 7; S++) {
                    var I = K.getMonth() == W;
                    var T = D(X("td")).text(K.getDate() + "").attr("className", (I ? "current-month " : "other-month ") + (K.isWeekend() ? "weekend " : "weekday ") + (I && K.getTime() == U.getTime() ? "today " : "")).hover(V, G);
                    if (P.renderCallback) {
                        P.renderCallback(T, K, W, N)
                    }
                    Q.append(T);
                    K.addDays(1)
                }
                F.append(Q)
            }
            E.append(F);
            return this.each(function(){
                D(this).empty().append(E)
            })
        },
        datePicker: function(E){
            if (!D.event._dpCache) {
                D.event._dpCache = []
            }
            E = D.extend({}, D.fn.datePicker.defaults, E);
            return this.each(function(){
                var G = D(this);
                var I = true;
                if (!this._dpId) {
                    this._dpId = D.event.guid++;
                    D.event._dpCache[this._dpId] = new A(this);
                    I = false
                }
                if (E.inline) {
                    E.createButton = false;
                    E.displayClose = false;
                    E.closeOnSelect = false;
                    G.empty()
                }
                var F = D.event._dpCache[this._dpId];
                F.init(E);
                if (!I && E.createButton) {
                    F.button = D('<a href="#" class="dp-choose-date" title="' + D.dpText.TEXT_CHOOSE_DATE + '">' + D.dpText.TEXT_CHOOSE_DATE + "</a>").bind("click", function(){
                        G.dpDisplay(this);
                        this.blur();
                        return false
                    });
                    G.after(F.button)
                }
                if (!I && G.is(":text")) {
                    G.bind("dateSelected", function(K, J, L){
                        this.value = J.asString()
                    }).bind("change", function(){
                        if (this.value != "") {
                            var J = Date.fromString(this.value);
                            if (J) {
                                F.setSelected(J, true, true)
                            }
                        }
                    });
                    if (E.clickInput) {
                        G.bind("click", function(){
                            G.dpDisplay()
                        })
                    }
                    var H = Date.fromString(this.value);
                    if (this.value != "" && H) {
                        F.setSelected(H, true, true)
                    }
                }
                G.addClass("dp-applied")
            })
        },
        dpSetDisabled: function(E){
            return B.call(this, "setDisabled", E)
        },
        dpSetStartDate: function(E){
            return B.call(this, "setStartDate", E)
        },
        dpSetEndDate: function(E){
            return B.call(this, "setEndDate", E)
        },
        dpGetSelected: function(){
            var E = C(this[0]);
            if (E) {
                return E.getSelected()
            }
            return null
        },
        dpSetSelected: function(G, F, E){
            if (F == undefined) {
                F = true
            }
            if (E == undefined) {
                E = true
            }
            return B.call(this, "setSelected", Date.fromString(G), F, E, true)
        },
        dpSetDisplayedMonth: function(E, F){
            return B.call(this, "setDisplayedMonth", Number(E), Number(F), true)
        },
        dpDisplay: function(E){
            return B.call(this, "display", E)
        },
        dpSetRenderCallback: function(E){
            return B.call(this, "setRenderCallback", E)
        },
        dpSetPosition: function(E, F){
            return B.call(this, "setPosition", E, F)
        },
        dpSetOffset: function(E, F){
            return B.call(this, "setOffset", E, F)
        },
        dpClose: function(){
            return B.call(this, "_closeCalendar", false, this[0])
        },
        _dpDestroy: function(){
        }
    });
    var B = function(G, F, E, I, H){
        return this.each(function(){
            var J = C(this);
            if (J) {
                J[G](F, E, I, H)
            }
        })
    };
    function A(E){
        this.ele = E;
        this.displayedMonth = null;
        this.displayedYear = null;
        this.startDate = null;
        this.endDate = null;
        this.showYearNavigation = null;
        this.closeOnSelect = null;
        this.displayClose = null;
        this.selectMultiple = null;
        this.verticalPosition = null;
        this.horizontalPosition = null;
        this.verticalOffset = null;
        this.horizontalOffset = null;
        this.button = null;
        this.renderCallback = [];
        this.selectedDates = {};
        this.inline = null;
        this.context = "#dp-popup"
    }
    D.extend(A.prototype, {
        init: function(E){
            this.setStartDate(E.startDate);
            this.setEndDate(E.endDate);
            this.setDisplayedMonth(Number(E.month), Number(E.year));
            this.setRenderCallback(E.renderCallback);
            this.showYearNavigation = E.showYearNavigation;
            this.closeOnSelect = E.closeOnSelect;
            this.displayClose = E.displayClose;
            this.selectMultiple = E.selectMultiple;
            this.verticalPosition = E.verticalPosition;
            this.horizontalPosition = E.horizontalPosition;
            this.hoverClass = E.hoverClass;
            this.setOffset(E.verticalOffset, E.horizontalOffset);
            this.inline = E.inline;
            if (this.inline) {
                this.context = this.ele;
                this.display()
            }
        },
        setStartDate: function(E){
            if (E) {
                this.startDate = Date.fromString(E)
            }
            if (!this.startDate) {
                this.startDate = (new Date()).zeroTime()
            }
            this.setDisplayedMonth(this.displayedMonth, this.displayedYear)
        },
        setEndDate: function(E){
            if (E) {
                this.endDate = Date.fromString(E)
            }
            if (!this.endDate) {
                this.endDate = (new Date("12/31/2999"))
            }
            if (this.endDate.getTime() < this.startDate.getTime()) {
                this.endDate = this.startDate
            }
            this.setDisplayedMonth(this.displayedMonth, this.displayedYear)
        },
        setPosition: function(E, F){
            this.verticalPosition = E;
            this.horizontalPosition = F
        },
        setOffset: function(E, F){
            this.verticalOffset = parseInt(E) || 0;
            this.horizontalOffset = parseInt(F) || 0
        },
        setDisabled: function(E){
            $e = D(this.ele);
            $e[E ? "addClass" : "removeClass"]("dp-disabled");
            if (this.button) {
                $but = D(this.button);
                $but[E ? "addClass" : "removeClass"]("dp-disabled");
                $but.attr("title", E ? "" : D.dpText.TEXT_CHOOSE_DATE)
            }
            if ($e.is(":text")) {
                $e.attr("disabled", E ? "disabled" : "")
            }
        },
        setDisplayedMonth: function(E, L, I){
            if (this.startDate == undefined || this.endDate == undefined) {
                return
            }
            var H = new Date(this.startDate.getTime());
            H.setDate(1);
            var K = new Date(this.endDate.getTime());
            K.setDate(1);
            var G;
            if ((!E && !L) || (isNaN(E) && isNaN(L))) {
                G = new Date().zeroTime();
                G.setDate(1)
            }
            else {
                if (isNaN(E)) {
                    G = new Date(L, this.displayedMonth, 1)
                }
                else {
                    if (isNaN(L)) {
                        G = new Date(this.displayedYear, E, 1)
                    }
                    else {
                        G = new Date(L, E, 1)
                    }
                }
            }
            if (G.getTime() < H.getTime()) {
                G = H
            }
            else {
                if (G.getTime() > K.getTime()) {
                    G = K
                }
            }
            var F = this.displayedMonth;
            var J = this.displayedYear;
            this.displayedMonth = G.getMonth();
            this.displayedYear = G.getFullYear();
            if (I && (this.displayedMonth != F || this.displayedYear != J)) {
                this._rerenderCalendar();
                D(this.ele).trigger("dpMonthChanged", [this.displayedMonth, this.displayedYear])
            }
        },
        setSelected: function(K, E, F, H){
            if (E == this.isSelected(K)) {
                return
            }
            if (this.selectMultiple == false) {
                this.selectedDates = {};
                D("td.selected", this.context).removeClass("selected")
            }
            if (F && this.displayedMonth != K.getMonth()) {
                this.setDisplayedMonth(K.getMonth(), K.getFullYear(), true)
            }
            this.selectedDates[K.toString()] = E;
            var I = "td.";
            I += K.getMonth() == this.displayedMonth ? "current-month" : "other-month";
            I += ':contains("' + K.getDate() + '")';
            var J;
            D(I, this.ele).each(function(){
                if (D(this).text() == K.getDate()) {
                    J = D(this);
                    J[E ? "addClass" : "removeClass"]("selected")
                }
            });
            if (H) {
                var G = this.isSelected(K);
                $e = D(this.ele);
                $e.trigger("dateSelected", [K, J, G]);
                $e.trigger("change")
            }
        },
        isSelected: function(E){
            return this.selectedDates[E.toString()]
        },
        getSelected: function(){
            var E = [];
            for (s in this.selectedDates) {
                if (this.selectedDates[s] == true) {
                    E.push(Date.parse(s))
                }
            }
            return E
        },
        display: function(E){
            if (D(this.ele).is(".dp-disabled")) {
                return
            }
            E = E || this.ele;
            var L = this;
            var H = D(E);
            var K = H.offset();
            var M;
            var N;
            var G;
            var I;
            if (L.inline) {
                M = D(this.ele);
                N = {
                    id: "calendar-" + this.ele._dpId,
                    className: "dp-popup dp-popup-inline"
                };
                I = {}
            }
            else {
                M = D("body");
                N = {
                    id: "dp-popup",
                    className: "dp-popup"
                };
                I = {
                    top: K.top + L.verticalOffset,
                    left: K.left + L.horizontalOffset
                };
                var J = function(Q){
                    var O = Q.target;
                    var P = D("#dp-popup")[0];
                    while (true) {
                        if (O == P) {
                            return true
                        }
                        else {
                            if (O == document) {
                                L._closeCalendar();
                                return false
                            }
                            else {
                                O = D(O).parent()[0]
                            }
                        }
                    }
                };
                this._checkMouse = J;
                this._closeCalendar(true)
            }
            M.append(D("<div></div>").attr(N).css(I).append(D("<h2></h2>"), D('<div class="dp-nav-prev"></div>').append(D('<a class="dp-nav-prev-year" href="#" title="' + D.dpText.TEXT_PREV_YEAR + '"></a>').bind("click", function(){
                return L._displayNewMonth.call(L, this, 0, -1)
            }), D('<a class="dp-nav-prev-month" href="#" title="' + D.dpText.TEXT_PREV_MONTH + '"><strong>&lt;&lt;</strong></a>').bind("click", function(){
                return L._displayNewMonth.call(L, this, -1, 0)
            })), D('<div class="dp-nav-next"></div>').append(D('<a class="dp-nav-next-year" href="#" title="' + D.dpText.TEXT_NEXT_YEAR + '"></a>').bind("click", function(){
                return L._displayNewMonth.call(L, this, 0, 1)
            }), D('<a class="dp-nav-next-month" href="#" title="' + D.dpText.TEXT_NEXT_MONTH + '"><strong>&gt;&gt;</strong></a>').bind("click", function(){
                return L._displayNewMonth.call(L, this, 1, 0)
            })), D("<div></div>").attr("className", "dp-calendar")).bgIframe());
            var F = this.inline ? D(".dp-popup", this.context) : D("#dp-popup");
            if (this.showYearNavigation == false) {
                D(".dp-nav-prev-year, .dp-nav-next-year", L.context).css("display", "none")
            }
            if (this.displayClose) {
                F.append(D('<a href="#" id="dp-close">' + D.dpText.TEXT_CLOSE + "</a>").bind("click", function(){
                    L._closeCalendar();
                    return false
                }))
            }
            L._renderCalendar();
            D(this.ele).trigger("dpDisplayed", F);
            if (!L.inline) {
                if (this.verticalPosition == D.dpConst.POS_BOTTOM) {
                    F.css("top", K.top + H.height() - F.height() + L.verticalOffset)
                }
                if (this.horizontalPosition == D.dpConst.POS_RIGHT) {
                    F.css("left", K.left + H.width() - F.width() + L.horizontalOffset)
                }
                D(document).bind("mousedown", this._checkMouse)
            }
        },
        setRenderCallback: function(E){
            if (E == null) {
                return
            }
            if (E && typeof(E) == "function") {
                E = [E]
            }
            this.renderCallback = this.renderCallback.concat(E)
        },
        cellRender: function(J, E, H, G){
            var K = this.dpController;
            var I = new Date(E.getTime());
            J.bind("click", function(){
                var L = D(this);
                if (!L.is(".disabled")) {
                    K.setSelected(I, !L.is(".selected") || !K.selectMultiple, false, true);
                    if (K.closeOnSelect) {
                        K._closeCalendar()
                    }
                }
            });
            if (K.isSelected(I)) {
                J.addClass("selected")
            }
            for (var F = 0; F < K.renderCallback.length; F++) {
                K.renderCallback[F].apply(this, arguments)
            }
        },
        _displayNewMonth: function(F, E, G){
            if (!D(F).is(".disabled")) {
                this.setDisplayedMonth(this.displayedMonth + E, this.displayedYear + G, true)
            }
            F.blur();
            return false
        },
        _rerenderCalendar: function(){
            this._clearCalendar();
            this._renderCalendar()
        },
        _renderCalendar: function(){
            D("h2", this.context).html(Date.monthNames[this.displayedMonth] + " " + this.displayedYear);
            D(".dp-calendar", this.context).renderCalendar({
                month: this.displayedMonth,
                year: this.displayedYear,
                renderCallback: this.cellRender,
                dpController: this,
                hoverClass: this.hoverClass
            });
            if (this.displayedYear == this.startDate.getFullYear() && this.displayedMonth == this.startDate.getMonth()) {
                D(".dp-nav-prev-year", this.context).addClass("disabled");
                D(".dp-nav-prev-month", this.context).addClass("disabled");
                D(".dp-calendar td.other-month", this.context).each(function(){
                    var H = D(this);
                    if (Number(H.text()) > 20) {
                        H.addClass("disabled")
                    }
                });
                var G = this.startDate.getDate();
                D(".dp-calendar td.current-month", this.context).each(function(){
                    var H = D(this);
                    if (Number(H.text()) < G) {
                        H.addClass("disabled")
                    }
                })
            }
            else {
                D(".dp-nav-prev-year", this.context).removeClass("disabled");
                D(".dp-nav-prev-month", this.context).removeClass("disabled");
                var G = this.startDate.getDate();
                if (G > 20) {
                    var F = new Date(this.startDate.getTime());
                    F.addMonths(1);
                    if (this.displayedYear == F.getFullYear() && this.displayedMonth == F.getMonth()) {
                        D("dp-calendar td.other-month", this.context).each(function(){
                            var H = D(this);
                            if (Number(H.text()) < G) {
                                H.addClass("disabled")
                            }
                        })
                    }
                }
            }
            if (this.displayedYear == this.endDate.getFullYear() && this.displayedMonth == this.endDate.getMonth()) {
                D(".dp-nav-next-year", this.context).addClass("disabled");
                D(".dp-nav-next-month", this.context).addClass("disabled");
                D(".dp-calendar td.other-month", this.context).each(function(){
                    var H = D(this);
                    if (Number(H.text()) < 14) {
                        H.addClass("disabled")
                    }
                });
                var G = this.endDate.getDate();
                D(".dp-calendar td.current-month", this.context).each(function(){
                    var H = D(this);
                    if (Number(H.text()) > G) {
                        H.addClass("disabled")
                    }
                })
            }
            else {
                D(".dp-nav-next-year", this.context).removeClass("disabled");
                D(".dp-nav-next-month", this.context).removeClass("disabled");
                var G = this.endDate.getDate();
                if (G < 13) {
                    var E = new Date(this.endDate.getTime());
                    E.addMonths(-1);
                    if (this.displayedYear == E.getFullYear() && this.displayedMonth == E.getMonth()) {
                        D(".dp-calendar td.other-month", this.context).each(function(){
                            var H = D(this);
                            if (Number(H.text()) > G) {
                                H.addClass("disabled")
                            }
                        })
                    }
                }
            }
        },
        _closeCalendar: function(E, F){
            if (!F || F == this.ele) {
                D(document).unbind("mousedown", this._checkMouse);
                this._clearCalendar();
                D("#dp-popup a").unbind();
                D("#dp-popup").empty().remove();
                if (!E) {
                    D(this.ele).trigger("dpClosed", [this.getSelected()])
                }
            }
        },
        _clearCalendar: function(){
            D(".dp-calendar td", this.context).unbind();
            D(".dp-calendar", this.context).empty()
        }
    });
    D.dpConst = {
        SHOW_HEADER_NONE: 0,
        SHOW_HEADER_SHORT: 1,
        SHOW_HEADER_LONG: 2,
        POS_TOP: 0,
        POS_BOTTOM: 1,
        POS_LEFT: 0,
        POS_RIGHT: 1
    };
    D.dpText = {
        TEXT_PREV_YEAR: "vorheriges Jahr",
        TEXT_PREV_MONTH: "vorheriger Monat",
        TEXT_NEXT_YEAR: "Nächstes Jahr",
        TEXT_NEXT_MONTH: "Nächster Monat",
        TEXT_CLOSE: "schliessen",
        TEXT_CHOOSE_DATE: "Rückrufdatum wählen"
    };
    D.dpVersion = "$Id: jquery.datePicker.js 15 2008-12-17 04:40:18Z kelvin.luck $";
    D.fn.datePicker.defaults = {
        month: undefined,
        year: undefined,
        showHeader: D.dpConst.SHOW_HEADER_SHORT,
        startDate: undefined,
        endDate: undefined,
        inline: false,
        renderCallback: null,
        createButton: true,
        showYearNavigation: true,
        closeOnSelect: true,
        displayClose: false,
        selectMultiple: false,
        clickInput: false,
        verticalPosition: D.dpConst.POS_TOP,
        horizontalPosition: D.dpConst.POS_LEFT,
        verticalOffset: 0,
        horizontalOffset: 0,
        hoverClass: "dp-hover"
    };
    function C(E){
        if (E._dpId) {
            return D.event._dpCache[E._dpId]
        }
        return false
    }
    if (D.fn.bgIframe == undefined) {
        D.fn.bgIframe = function(){
            return this
        }
    }
    D(window).bind("unload", function(){
        var F = D.event._dpCache || [];
        for (var E in F) {
            D(F[E].ele)._dpDestroy()
        }
    })
})(jQuery);