/*
* jQuery timepicker addon
* By: Trent Richardson [http://trentrichardson.com]
* Version 0.9.6
* Last Modified: 07/20/2011
* 
* Copyright 2011 Trent Richardson
* Dual licensed under the MIT and GPL licenses.
* http://trentrichardson.com/Impromptu/GPL-LICENSE.txt
* http://trentrichardson.com/Impromptu/MIT-LICENSE.txt
* 
* HERES THE CSS:
* .ui-timepicker-div .ui-widget-header{ margin-bottom: 8px; }
* .ui-timepicker-div dl{ text-align: left; }
* .ui-timepicker-div dl dt{ height: 25px; }
* .ui-timepicker-div dl dd{ margin: -25px 10px 10px 65px; }
* .ui-timepicker-div td { font-size: 90%; }
*/

(function($) {

    $.extend($.ui, { timepicker: { version: "0.9.6" } });

/* Time picker manager.
   Use the singleton instance of this class, $.timepicker, to interact with the time picker.
   Settings for (groups of) time pickers are maintained in an instance object,
   allowing multiple different settings on the same page. */

    function Timepicker() {
        this.regional = []; // Available regional settings, indexed by language code
        this.regional[''] = {
// Default regional settings
            currentText: 'Now',
            closeText: 'Done',
            ampm: false,
            timeFormat: 'hh:mm tt',
            timeSuffix: '',
            timeOnlyTitle: 'Choose Time',
            timeText: 'Time',
            hourText: 'Hour',
            minuteText: 'Minute',
            secondText: 'Second',
            timezoneText: 'Time Zone'
        };
        this._defaults = {
// Global defaults for all the datetime picker instances
            showButtonPanel: true,
            timeOnly: false,
            showHour: true,
            showMinute: true,
            showSecond: false,
            showTimezone: false,
            showTime: true,
            stepHour: 0.05,
            stepMinute: 0.05,
            stepSecond: 0.05,
            hour: 0,
            minute: 0,
            second: 0,
            timezone: '+0000',
            hourMin: 0,
            minuteMin: 0,
            secondMin: 0,
            hourMax: 23,
            minuteMax: 59,
            secondMax: 59,
            minDateTime: null,
            maxDateTime: null,
            hourGrid: 0,
            minuteGrid: 0,
            secondGrid: 0,
            alwaysSetTime: true,
            separator: ' ',
            altFieldTimeOnly: true,
            showTimepicker: true,
            timezoneList: ["-1100", "-1000", "-0900", "-0800", "-0700", "-0600",
                "-0500", "-0400", "-0300", "-0200", "-0100", "+0000",
                "+0100", "+0200", "+0300", "+0400", "+0500", "+0600",
                "+0700", "+0800", "+0900", "+1000", "+1100", "+1200"]
        };
        $.extend(this._defaults, this.regional['']);
    }

    $.extend(Timepicker.prototype, {
        $input: null,
        $altInput: null,
        $timeObj: null,
        inst: null,
        hour_slider: null,
        minute_slider: null,
        second_slider: null,
        timezone_select: null,
        hour: 0,
        minute: 0,
        second: 0,
        timezone: '+0000',
        hourMinOriginal: null,
        minuteMinOriginal: null,
        secondMinOriginal: null,
        hourMaxOriginal: null,
        minuteMaxOriginal: null,
        secondMaxOriginal: null,
        ampm: '',
        formattedDate: '',
        formattedTime: '',
        formattedDateTime: '',
        timezoneList: ["-1100", "-1000", "-0900", "-0800", "-0700", "-0600",
            "-0500", "-0400", "-0300", "-0200", "-0100", "+0000",
            "+0100", "+0200", "+0300", "+0400", "+0500", "+0600",
            "+0700", "+0800", "+0900", "+1000", "+1100", "+1200"],

	/* Override the default settings for all instances of the time picker.
	   @param  settings  object - the new settings to use as defaults (anonymous object)
	   @return the manager object */
        setDefaults: function(settings) {
            extendRemove(this._defaults, settings || { });
            return this;
        },

	//########################################################################
	// Create a new Timepicker instance
	//########################################################################
        _newInst: function($input, o) {
            var tp_inst = new Timepicker(),
                inlineSettings = { };

            for (var attrName in this._defaults) {
                var attrValue = $input.attr('time:' + attrName);
                if (attrValue) {
                    try {
                        inlineSettings[attrName] = eval(attrValue);
                    } catch(err) {
                        inlineSettings[attrName] = attrValue;
                    }
                }
            }
            tp_inst._defaults = $.extend({ }, this._defaults, inlineSettings, o, {
                beforeShow: function(input, dp_inst) {
                    if ($.isFunction(o.beforeShow))
                        o.beforeShow(input, dp_inst, tp_inst);
                },
                onChangeMonthYear: function(year, month, dp_inst) {
                    // Update the time as well : this prevents the time from disappearing from the $input field.
                    tp_inst._updateDateTime(dp_inst);
                    if ($.isFunction(o.onChangeMonthYear))
                        o.onChangeMonthYear.call($input[0], year, month, dp_inst, tp_inst);
                },
                onClose: function(dateText, dp_inst) {
                    if (tp_inst.timeDefined === true && $input.val() != '')
                        tp_inst._updateDateTime(dp_inst);
                    if ($.isFunction(o.onClose))
                        o.onClose.call($input[0], dateText, dp_inst, tp_inst);
                },
                timepicker: tp_inst // add timepicker as a property of datepicker: $.datepicker._get(dp_inst, 'timepicker');
            });

            tp_inst.hour = tp_inst._defaults.hour;
            tp_inst.minute = tp_inst._defaults.minute;
            tp_inst.second = tp_inst._defaults.second;
            tp_inst.ampm = '';
            tp_inst.$input = $input;

            if (o.altField)
                tp_inst.$altInput = $(o.altField)
                    .css({ cursor: 'pointer' })
                    .focus(function() { $input.trigger("focus"); });

            // datepicker needs minDate/maxDate, timepicker needs minDateTime/maxDateTime..
            if (tp_inst._defaults.minDate !== undefined && tp_inst._defaults.minDate instanceof Date)
                tp_inst._defaults.minDateTime = new Date(tp_inst._defaults.minDate.getTime());
            if (tp_inst._defaults.minDateTime !== undefined && tp_inst._defaults.minDateTime instanceof Date)
                tp_inst._defaults.minDate = new Date(tp_inst._defaults.minDateTime.getTime());
            if (tp_inst._defaults.maxDate !== undefined && tp_inst._defaults.maxDate instanceof Date)
                tp_inst._defaults.maxDateTime = new Date(tp_inst._defaults.maxDate.getTime());
            if (tp_inst._defaults.maxDateTime !== undefined && tp_inst._defaults.maxDateTime instanceof Date)
                tp_inst._defaults.maxDate = new Date(tp_inst._defaults.maxDateTime.getTime());

            return tp_inst;
        },

	//########################################################################
	// add our sliders to the calendar
	//########################################################################
        _addTimePicker: function(dp_inst) {
            var currDT = (this.$altInput && this._defaults.altFieldTimeOnly) ?
                this.$input.val() + ' ' + this.$altInput.val() :
                this.$input.val();

            this.timeDefined = this._parseTime(currDT);
            this._limitMinMaxDateTime(dp_inst, false);
            this._injectTimePicker();
        },

	//########################################################################
	// parse the time string from input value or _setTime
	//########################################################################
        _parseTime: function(timeString, withDate) {
            var regstr = this._defaults.timeFormat.toString()
                .replace( /h{1,2}/ig , '(\\d?\\d)')
                .replace( /m{1,2}/ig , '(\\d?\\d)')
                .replace( /s{1,2}/ig , '(\\d?\\d)')
                .replace( /t{1,2}/ig , '(am|pm|a|p)?')
                .replace( /z{1}/ig , '((\\+|-)\\d\\d\\d\\d)?')
                .replace( /\s/g , '\\s?') + this._defaults.timeSuffix + '$',
                order = this._getFormatPositions(),
                treg;

            if (!this.inst) this.inst = $.datepicker._getInst(this.$input[0]);

            if (withDate || !this._defaults.timeOnly) {
                // the time should come after x number of characters and a space.
                // x = at least the length of text specified by the date format
                var dp_dateFormat = $.datepicker._get(this.inst, 'dateFormat');
                // escape special regex characters in the seperator
                var specials = new RegExp("[.*+?|()\\[\\]{}\\\\]", "g");
                regstr = '.{' + dp_dateFormat.length + ',}' + this._defaults.separator.replace(specials, "\\$&") + regstr;
            }

            treg = timeString.match(new RegExp(regstr, 'i'));

            if (treg) {
                if (order.t !== -1)
                    this.ampm = ((treg[order.t] === undefined || treg[order.t].length === 0) ?
                        '' :
                        (treg[order.t].charAt(0).toUpperCase() == 'A') ? 'AM' : 'PM').toUpperCase();

                if (order.h !== -1) {
                    if (this.ampm == 'AM' && treg[order.h] == '12')
                        this.hour = 0; // 12am = 0 hour
                    else if (this.ampm == 'PM' && treg[order.h] != '12')
                        this.hour = (parseFloat(treg[order.h]) + 12).toFixed(0); // 12pm = 12 hour, any other pm = hour + 12
                    else this.hour = Number(treg[order.h]);
                }

                if (order.m !== -1) this.minute = Number(treg[order.m]);
                if (order.s !== -1) this.second = Number(treg[order.s]);
                if (order.z !== -1) this.timezone = treg[order.z];

                return true;

            }
            return false;
        },

	//########################################################################
	// figure out position of time elements.. cause js cant do named captures
	//########################################################################
        _getFormatPositions: function() {
            var finds = this._defaults.timeFormat.toLowerCase().match( /(h{1,2}|m{1,2}|s{1,2}|t{1,2}|z)/g ),
                orders = { h: -1, m: -1, s: -1, t: -1, z: -1 };

            if (finds)
                for (var i = 0; i < finds.length; i++)
                    if (orders[finds[i].toString().charAt(0)] == -1)
                        orders[finds[i].toString().charAt(0)] = i + 1;

            return orders;
        },

	//########################################################################
	// generate and inject html for timepicker into ui datepicker
	//########################################################################
        _injectTimePicker: function() {
            var $dp = this.inst.dpDiv,
                o = this._defaults,
                tp_inst = this,
			// Added by Peter Medeiros:
			// - Figure out what the hour/minute/second max should be based on the step values.
			// - Example: if stepMinute is 15, then minMax is 45.
                hourMax = (o.hourMax - (o.hourMax % o.stepHour)).toFixed(0),
                minMax = (o.minuteMax - (o.minuteMax % o.stepMinute)).toFixed(0),
                secMax = (o.secondMax - (o.secondMax % o.stepSecond)).toFixed(0),
                dp_id = this.inst.id.toString().replace( /([^A-Za-z0-9_])/g , '');

            // Prevent displaying twice
            //if ($dp.find("div#ui-timepicker-div-"+ dp_id).length === 0) {
            if ($dp.find("div#ui-timepicker-div-" + dp_id).length === 0 && o.showTimepicker) {
                var noDisplay = ' style="display:none;"',
                    html = '<div class="ui-timepicker-div" id="ui-timepicker-div-' + dp_id + '"><dl>' +
                        '<dt class="ui_tpicker_time_label" id="ui_tpicker_time_label_' + dp_id + '"' +
                            ((o.showTime) ? '' : noDisplay) + '>' + o.timeText + '</dt>' +
                                '<dd class="ui_tpicker_time" id="ui_tpicker_time_' + dp_id + '"' +
                                    ((o.showTime) ? '' : noDisplay) + '></dd>' +
                                        '<dt class="ui_tpicker_hour_label" id="ui_tpicker_hour_label_' + dp_id + '"' +
                                            ((o.showHour) ? '' : noDisplay) + '>' + o.hourText + '</dt>',
                    hourGridSize = 0,
                    minuteGridSize = 0,
                    secondGridSize = 0,
                    size;

                if (o.showHour && o.hourGrid > 0) {
                    html += '<dd class="ui_tpicker_hour">' +
                        '<div id="ui_tpicker_hour_' + dp_id + '"' + ((o.showHour) ? '' : noDisplay) + '></div>' +
                            '<div style="padding-left: 1px"><table class="ui-tpicker-grid-label"><tr>';

                    for (var h = o.hourMin; h <= hourMax; h += o.hourGrid) {
                        hourGridSize++;
                        var tmph = (o.ampm && h > 12) ? h - 12 : h;
                        if (tmph < 10) tmph = '0' + tmph;
                        if (o.ampm) {
                            if (h == 0) tmph = 12 + 'a';
                            else if (h < 12) tmph += 'a';
                            else tmph += 'p';
                        }
                        html += '<td>' + tmph + '</td>';
                    }

                    html += '</tr></table></div>' +
                        '</dd>';
                } else
                    html += '<dd class="ui_tpicker_hour" id="ui_tpicker_hour_' + dp_id + '"' +
                        ((o.showHour) ? '' : noDisplay) + '></dd>';

                html += '<dt class="ui_tpicker_minute_label" id="ui_tpicker_minute_label_' + dp_id + '"' +
                    ((o.showMinute) ? '' : noDisplay) + '>' + o.minuteText + '</dt>';

                if (o.showMinute && o.minuteGrid > 0) {
                    html += '<dd class="ui_tpicker_minute ui_tpicker_minute_' + o.minuteGrid + '">' +
                        '<div id="ui_tpicker_minute_' + dp_id + '"' +
                            ((o.showMinute) ? '' : noDisplay) + '></div>' +
                                '<div style="padding-left: 1px"><table class="ui-tpicker-grid-label"><tr>';

                    for (var m = o.minuteMin; m <= minMax; m += o.minuteGrid) {
                        minuteGridSize++;
                        html += '<td>' + ((m < 10) ? '0' : '') + m + '</td>';
                    }

                    html += '</tr></table></div>' +
                        '</dd>';
                } else
                    html += '<dd class="ui_tpicker_minute" id="ui_tpicker_minute_' + dp_id + '"' +
                        ((o.showMinute) ? '' : noDisplay) + '></dd>';

                html += '<dt class="ui_tpicker_second_label" id="ui_tpicker_second_label_' + dp_id + '"' +
                    ((o.showSecond) ? '' : noDisplay) + '>' + o.secondText + '</dt>';

                if (o.showSecond && o.secondGrid > 0) {
                    html += '<dd class="ui_tpicker_second ui_tpicker_second_' + o.secondGrid + '">' +
                        '<div id="ui_tpicker_second_' + dp_id + '"' +
                            ((o.showSecond) ? '' : noDisplay) + '></div>' +
                                '<div style="padding-left: 1px"><table><tr>';

                    for (var s = o.secondMin; s <= secMax; s += o.secondGrid) {
                        secondGridSize++;
                        html += '<td>' + ((s < 10) ? '0' : '') + s + '</td>';
                    }

                    html += '</tr></table></div>' +
                        '</dd>';
                } else
                    html += '<dd class="ui_tpicker_second" id="ui_tpicker_second_' + dp_id + '"' +
                        ((o.showSecond) ? '' : noDisplay) + '></dd>';

                html += '<dt class="ui_tpicker_timezone_label" id="ui_tpicker_timezone_label_' + dp_id + '"' +
                    ((o.showTimezone) ? '' : noDisplay) + '>' + o.timezoneText + '</dt>';
                html += '<dd class="ui_tpicker_timezone" id="ui_tpicker_timezone_' + dp_id + '"' +
                    ((o.showTimezone) ? '' : noDisplay) + '></dd>';

                html += '</dl></div>';
                $tp = $(html);

                // if we only want time picker...
                if (o.timeOnly === true) {
                    $tp.prepend(
                        '<div class="ui-widget-header ui-helper-clearfix ui-corner-all">' +
                            '<div class="ui-datepicker-title">' + o.timeOnlyTitle + '</div>' +
                                '</div>');
                    $dp.find('.ui-datepicker-header, .ui-datepicker-calendar').hide();
                }

                this.hour_slider = $tp.find('#ui_tpicker_hour_' + dp_id).slider({
                        orientation: "horizontal",
                        value: this.hour,
                        min: o.hourMin,
                        max: hourMax,
                        step: o.stepHour,
                        slide: function(event, ui) {
                            tp_inst.hour_slider.slider("option", "value", ui.value);
                            tp_inst._onTimeChange();
                        }
                    });

                // Updated by Peter Medeiros:
                // - Pass in Event and UI instance into slide function
                this.minute_slider = $tp.find('#ui_tpicker_minute_' + dp_id).slider({
                        orientation: "horizontal",
                        value: this.minute,
                        min: o.minuteMin,
                        max: minMax,
                        step: o.stepMinute,
                        slide: function(event, ui) {
                            // update the global minute slider instance value with the current slider value
                            tp_inst.minute_slider.slider("option", "value", ui.value);
                            tp_inst._onTimeChange();
                        }
                    });

                this.second_slider = $tp.find('#ui_tpicker_second_' + dp_id).slider({
                        orientation: "horizontal",
                        value: this.second,
                        min: o.secondMin,
                        max: secMax,
                        step: o.stepSecond,
                        slide: function(event, ui) {
                            tp_inst.second_slider.slider("option", "value", ui.value);
                            tp_inst._onTimeChange();
                        }
                    });


                this.timezone_select = $tp.find('#ui_tpicker_timezone_' + dp_id).append('<select></select>').find("select");
                $.fn.append.apply(this.timezone_select,
                    $.map(o.timezoneList, function(val, idx) {
                        return $("<option />")
                            .val(typeof val == "object" ? val.value : val)
                            .text(typeof val == "object" ? val.label : val);
                    })
			);
                this.timezone_select.val((typeof this.timezone != "undefined" && this.timezone != null && this.timezone != "") ? this.timezone : o.timezone);
                this.timezone_select.change(function() {
                    tp_inst._onTimeChange();
                });

                // Add grid functionality
                if (o.showHour && o.hourGrid > 0) {
                    size = 100 * hourGridSize * o.hourGrid / (hourMax - o.hourMin);

                    $tp.find(".ui_tpicker_hour table").css({
                            width: size + "%",
                            marginLeft: (size / (-2 * hourGridSize)) + "%",
                            borderCollapse: 'collapse'
                        }).find("td").each(function(index) {
                            $(this).click(function() {
                                var h = $(this).html();
                                if (o.ampm) {
                                    var ap = h.substring(2).toLowerCase(),
                                        aph = parseInt(h.substring(0, 2), 10);
                                    if (ap == 'a') {
                                        if (aph == 12) h = 0;
                                        else h = aph;
                                    } else if (aph == 12) h = 12;
                                    else h = aph + 12;
                                }
                                tp_inst.hour_slider.slider("option", "value", h);
                                tp_inst._onTimeChange();
                                tp_inst._onSelectHandler();
                            }).css({
                                    cursor: 'pointer',
                                    width: (100 / hourGridSize) + '%',
                                    textAlign: 'center',
                                    overflow: 'hidden'
                                });
                        });
                }

                if (o.showMinute && o.minuteGrid > 0) {
                    size = 100 * minuteGridSize * o.minuteGrid / (minMax - o.minuteMin);
                    $tp.find(".ui_tpicker_minute table").css({
                            width: size + "%",
                            marginLeft: (size / (-2 * minuteGridSize)) + "%",
                            borderCollapse: 'collapse'
                        }).find("td").each(function(index) {
                            $(this).click(function() {
                                tp_inst.minute_slider.slider("option", "value", $(this).html());
                                tp_inst._onTimeChange();
                                tp_inst._onSelectHandler();
                            }).css({
                                    cursor: 'pointer',
                                    width: (100 / minuteGridSize) + '%',
                                    textAlign: 'center',
                                    overflow: 'hidden'
                                });
                        });
                }

                if (o.showSecond && o.secondGrid > 0) {
                    $tp.find(".ui_tpicker_second table").css({
                            width: size + "%",
                            marginLeft: (size / (-2 * secondGridSize)) + "%",
                            borderCollapse: 'collapse'
                        }).find("td").each(function(index) {
                            $(this).click(function() {
                                tp_inst.second_slider.slider("option", "value", $(this).html());
                                tp_inst._onTimeChange();
                                tp_inst._onSelectHandler();
                            }).css({
                                    cursor: 'pointer',
                                    width: (100 / secondGridSize) + '%',
                                    textAlign: 'center',
                                    overflow: 'hidden'
                                });
                        });
                }

                var $buttonPanel = $dp.find('.ui-datepicker-buttonpane');
                if ($buttonPanel.length) $buttonPanel.before($tp);
                else $dp.append($tp);

                this.$timeObj = $tp.find('#ui_tpicker_time_' + dp_id);

                if (this.inst !== null) {
                    var timeDefined = this.timeDefined;
                    this._onTimeChange();
                    this.timeDefined = timeDefined;
                }

                //Emulate datepicker onSelect behavior. Call on slidestop.
                var onSelectDelegate = function() {
                    tp_inst._onSelectHandler();
                };
                this.hour_slider.bind('slidestop', onSelectDelegate);
                this.minute_slider.bind('slidestop', onSelectDelegate);
                this.second_slider.bind('slidestop', onSelectDelegate);
            }
        },

	//########################################################################
	// This function tries to limit the ability to go outside the 
	// min/max date range
	//########################################################################
        _limitMinMaxDateTime: function(dp_inst, adjustSliders) {
            var o = this._defaults,
                dp_date = new Date(dp_inst.selectedYear, dp_inst.selectedMonth, dp_inst.selectedDay);

            if (!this._defaults.showTimepicker) return; // No time so nothing to check here

            if ($.datepicker._get(dp_inst, 'minDateTime') !== null && dp_date) {
                var minDateTime = $.datepicker._get(dp_inst, 'minDateTime'),
                    minDateTimeDate = new Date(minDateTime.getFullYear(), minDateTime.getMonth(), minDateTime.getDate(), 0, 0, 0, 0);

                if (this.hourMinOriginal === null || this.minuteMinOriginal === null || this.secondMinOriginal === null) {
                    this.hourMinOriginal = o.hourMin;
                    this.minuteMinOriginal = o.minuteMin;
                    this.secondMinOriginal = o.secondMin;
                }

                if (dp_inst.settings.timeOnly || minDateTimeDate.getTime() == dp_date.getTime()) {
                    this._defaults.hourMin = minDateTime.getHours();
                    if (this.hour <= this._defaults.hourMin) {
                        this.hour = this._defaults.hourMin;
                        this._defaults.minuteMin = minDateTime.getMinutes();
                        if (this.minute <= this._defaults.minuteMin) {
                            this.minute = this._defaults.minuteMin;
                            this._defaults.secondMin = minDateTime.getSeconds();
                        } else {
                            if (this.second < this._defaults.secondMin) this.second = this._defaults.secondMin;
                            this._defaults.secondMin = this.secondMinOriginal;
                        }
                    } else {
                        this._defaults.minuteMin = this.minuteMinOriginal;
                        this._defaults.secondMin = this.secondMinOriginal;
                    }
                } else {
                    this._defaults.hourMin = this.hourMinOriginal;
                    this._defaults.minuteMin = this.minuteMinOriginal;
                    this._defaults.secondMin = this.secondMinOriginal;
                }
            }

            if ($.datepicker._get(dp_inst, 'maxDateTime') !== null && dp_date) {
                var maxDateTime = $.datepicker._get(dp_inst, 'maxDateTime'),
                    maxDateTimeDate = new Date(maxDateTime.getFullYear(), maxDateTime.getMonth(), maxDateTime.getDate(), 0, 0, 0, 0);

                if (this.hourMaxOriginal === null || this.minuteMaxOriginal === null || this.secondMaxOriginal === null) {
                    this.hourMaxOriginal = o.hourMax;
                    this.minuteMaxOriginal = o.minuteMax;
                    this.secondMaxOriginal = o.secondMax;
                }

                if (dp_inst.settings.timeOnly || maxDateTimeDate.getTime() == dp_date.getTime()) {
                    this._defaults.hourMax = maxDateTime.getHours();
                    if (this.hour >= this._defaults.hourMax) {
                        this.hour = this._defaults.hourMax;
                        this._defaults.minuteMax = maxDateTime.getMinutes();
                        if (this.minute >= this._defaults.minuteMax) {
                            this.minute = this._defaults.minuteMax;
                            this._defaults.secondMax = maxDateTime.getSeconds();
                        } else {
                            if (this.second > this._defaults.secondMax) this.second = this._defaults.secondMax;
                            this._defaults.secondMax = this.secondMaxOriginal;
                        }
                    } else {
                        this._defaults.minuteMax = this.minuteMaxOriginal;
                        this._defaults.secondMax = this.secondMaxOriginal;
                    }
                } else {
                    this._defaults.hourMax = this.hourMaxOriginal;
                    this._defaults.minuteMax = this.minuteMaxOriginal;
                    this._defaults.secondMax = this.secondMaxOriginal;
                }
            }

            if (adjustSliders !== undefined && adjustSliders === true) {
                var hourMax = (this._defaults.hourMax - (this._defaults.hourMax % this._defaults.stepHour)).toFixed(0),
                    minMax = (this._defaults.minuteMax - (this._defaults.minuteMax % this._defaults.stepMinute)).toFixed(0),
                    secMax = (this._defaults.secondMax - (this._defaults.secondMax % this._defaults.stepSecond)).toFixed(0);

                if (this.hour_slider)
                    this.hour_slider.slider("option", { min: this._defaults.hourMin, max: hourMax }).slider('value', this.hour);
                if (this.minute_slider)
                    this.minute_slider.slider("option", { min: this._defaults.minuteMin, max: minMax }).slider('value', this.minute);
                if (this.second_slider)
                    this.second_slider.slider("option", { min: this._defaults.secondMin, max: secMax }).slider('value', this.second);
            }

        },

	
	//########################################################################
	// when a slider moves, set the internal time...
	// on time change is also called when the time is updated in the text field
	//########################################################################
        _onTimeChange: function() {
            var hour = (this.hour_slider) ? this.hour_slider.slider('value') : false,
                minute = (this.minute_slider) ? this.minute_slider.slider('value') : false,
                second = (this.second_slider) ? this.second_slider.slider('value') : false,
                timezone = (this.timezone_select) ? this.timezone_select.val() : false;

            if (typeof(hour) == 'object') hour = false;
            if (typeof(minute) == 'object') minute = false;
            if (typeof(second) == 'object') second = false;
            if (typeof(timezone) == 'object') timezone = false;

            if (hour !== false) hour = parseInt(hour, 10);
            if (minute !== false) minute = parseInt(minute, 10);
            if (second !== false) second = parseInt(second, 10);

            var ampm = (hour < 12) ? 'AM' : 'PM';

            // If the update was done in the input field, the input field should not be updated.
            // If the update was done using the sliders, update the input field.
            var hasChanged = (hour != this.hour || minute != this.minute || second != this.second || (this.ampm.length > 0 && this.ampm != ampm) || timezone != this.timezone);

            if (hasChanged) {

                if (hour !== false) this.hour = hour;
                if (minute !== false) this.minute = minute;
                if (second !== false) this.second = second;
                if (timezone !== false) this.timezone = timezone;

                if (!this.inst) this.inst = $.datepicker._getInst(this.$input[0]);

                this._limitMinMaxDateTime(this.inst, true);
            }
            if (this._defaults.ampm) this.ampm = ampm;

            this._formatTime();
            if (this.$timeObj) this.$timeObj.text(this.formattedTime + this._defaults.timeSuffix);
            this.timeDefined = true;
            if (hasChanged) this._updateDateTime();
        },
    
	//########################################################################
	// call custom onSelect. 
	// bind to sliders slidestop, and grid click.
	//########################################################################
        _onSelectHandler: function() {
            var onSelect = this._defaults['onSelect'];
            var inputEl = this.$input ? this.$input[0] : null;
            if (onSelect && inputEl) {
                onSelect.apply(inputEl, [this.formattedDateTime, this]);
            }
        },

	//########################################################################
	// format the time all pretty...
	//########################################################################
        _formatTime: function(time, format, ampm) {
            if (ampm == undefined) ampm = this._defaults.ampm;
            time = time || { hour: this.hour, minute: this.minute, second: this.second, ampm: this.ampm, timezone: this.timezone };
            var tmptime = format || this._defaults.timeFormat.toString();

            if (ampm) {
                var hour12 = ((time.ampm == 'AM') ? (time.hour) : (time.hour % 12));
                hour12 = (Number(hour12) === 0) ? 12 : hour12;
                tmptime = tmptime.toString()
                    .replace( /hh/g , ((hour12 < 10) ? '0' : '') + hour12)
                    .replace( /h/g , hour12)
                    .replace( /mm/g , ((time.minute < 10) ? '0' : '') + time.minute)
                    .replace( /m/g , time.minute)
                    .replace( /ss/g , ((time.second < 10) ? '0' : '') + time.second)
                    .replace( /s/g , time.second)
                    .replace( /TT/g , time.ampm.toUpperCase())
                    .replace( /Tt/g , time.ampm.toUpperCase())
                    .replace( /tT/g , time.ampm.toLowerCase())
                    .replace( /tt/g , time.ampm.toLowerCase())
                    .replace( /T/g , time.ampm.charAt(0).toUpperCase())
                    .replace( /t/g , time.ampm.charAt(0).toLowerCase())
                    .replace( /z/g , time.timezone);
            } else {
                tmptime = tmptime.toString()
                    .replace( /hh/g , ((time.hour < 10) ? '0' : '') + time.hour)
                    .replace( /h/g , time.hour)
                    .replace( /mm/g , ((time.minute < 10) ? '0' : '') + time.minute)
                    .replace( /m/g , time.minute)
                    .replace( /ss/g , ((time.second < 10) ? '0' : '') + time.second)
                    .replace( /s/g , time.second)
                    .replace( /z/g , time.timezone);
                tmptime = $.trim(tmptime.replace( /t/gi , ''));
            }

            if (arguments.length) return tmptime;
            else this.formattedTime = tmptime;
        },

	//########################################################################
	// update our input with the new date time..
	//########################################################################
        _updateDateTime: function(dp_inst) {
            dp_inst = this.inst || dp_inst,
            dt = new Date(dp_inst.selectedYear, dp_inst.selectedMonth, dp_inst.selectedDay),
            dateFmt = $.datepicker._get(dp_inst, 'dateFormat'),
            formatCfg = $.datepicker._getFormatConfig(dp_inst),
            timeAvailable = dt !== null && this.timeDefined;
            this.formattedDate = $.datepicker.formatDate(dateFmt, (dt === null ? new Date() : dt), formatCfg);
            var formattedDateTime = this.formattedDate;
            if (dp_inst.lastVal !== undefined && (dp_inst.lastVal.length > 0 && this.$input.val().length === 0))
                return;

            if (this._defaults.timeOnly === true) {
                formattedDateTime = this.formattedTime;
            } else if (this._defaults.timeOnly !== true && (this._defaults.alwaysSetTime || timeAvailable)) {
                formattedDateTime += this._defaults.separator + this.formattedTime + this._defaults.timeSuffix;
            }

            this.formattedDateTime = formattedDateTime;

            if (!this._defaults.showTimepicker) {
                this.$input.val(this.formattedDate);
            } else if (this.$altInput && this._defaults.altFieldTimeOnly === true) {
                this.$altInput.val(this.formattedTime);
                this.$input.val(this.formattedDate);
            } else if (this.$altInput) {
                this.$altInput.val(formattedDateTime);
                this.$input.val(formattedDateTime);
            } else {
                this.$input.val(formattedDateTime);
            }

            this.$input.trigger("change");
        }
    });

    $.fn.extend({
            //########################################################################
            // shorthand just to use timepicker..
            //########################################################################
            timepicker: function(o) {
                o = o || { };
                var tmp_args = arguments;

                if (typeof o == 'object') tmp_args[0] = $.extend(o, { timeOnly: true });

                return $(this).each(function() {
                    $.fn.datetimepicker.apply($(this), tmp_args);
                });
            },

	//########################################################################
	// extend timepicker to datepicker
	//########################################################################
            datetimepicker: function(o) {
                o = o || { };
                var $input = this,
                    tmp_args = arguments;

                if (typeof(o) == 'string') {
                    if (o == 'getDate')
                        return $.fn.datepicker.apply($(this[0]), tmp_args);
                    else
                        return this.each(function() {
                            var $t = $(this);
                            $t.datepicker.apply($t, tmp_args);
                        });
                } else
                    return this.each(function() {
                        var $t = $(this);
                        $t.datepicker($.timepicker._newInst($t, o)._defaults);
                    });
            }
        });

//########################################################################
// the bad hack :/ override datepicker so it doesnt close on select
// inspired: http://stackoverflow.com/questions/1252512/jquery-datepicker-prevent-closing-picker-when-clicking-a-date/1762378#1762378
//########################################################################
    $.datepicker._base_selectDate = $.datepicker._selectDate;
    $.datepicker._selectDate = function(id, dateStr) {
        var inst = this._getInst($(id)[0]),
            tp_inst = this._get(inst, 'timepicker');

        if (tp_inst) {
            tp_inst._limitMinMaxDateTime(inst, true);
            inst.inline = inst.stay_open = true;
            //This way the onSelect handler called from calendarpicker get the full dateTime
            this._base_selectDate(id, dateStr + tp_inst._defaults.separator + tp_inst.formattedTime + tp_inst._defaults.timeSuffix);
            inst.inline = inst.stay_open = false;
            this._notifyChange(inst);
            this._updateDatepicker(inst);
        } else this._base_selectDate(id, dateStr);
    };

//#############################################################################################
// second bad hack :/ override datepicker so it triggers an event when changing the input field
// and does not redraw the datepicker on every selectDate event
//#############################################################################################
    $.datepicker._base_updateDatepicker = $.datepicker._updateDatepicker;
    $.datepicker._updateDatepicker = function(inst) {

        // don't popup the datepicker if there is another instance already opened
        var input = inst.input[0];
        if ($.datepicker._curInst &&
            $.datepicker._curInst != inst &&
                $.datepicker._datepickerShowing &&
                    $.datepicker._lastInput != input) {
            return;
        }

        if (typeof(inst.stay_open) !== 'boolean' || inst.stay_open === false) {

            this._base_updateDatepicker(inst);

            // Reload the time control when changing something in the input text field.
            var tp_inst = this._get(inst, 'timepicker');
            if (tp_inst) tp_inst._addTimePicker(inst);
        }
    };

//#######################################################################################
// third bad hack :/ override datepicker so it allows spaces and colon in the input field
//#######################################################################################
    $.datepicker._base_doKeyPress = $.datepicker._doKeyPress;
    $.datepicker._doKeyPress = function(event) {
        var inst = $.datepicker._getInst(event.target),
            tp_inst = $.datepicker._get(inst, 'timepicker');

        if (tp_inst) {
            if ($.datepicker._get(inst, 'constrainInput')) {
                var ampm = tp_inst._defaults.ampm,
                    dateChars = $.datepicker._possibleChars($.datepicker._get(inst, 'dateFormat')),
                    datetimeChars = tp_inst._defaults.timeFormat.toString()
                        .replace( /[hms]/g , '')
                        .replace( /TT/g , ampm ? 'APM' : '')
                        .replace( /Tt/g , ampm ? 'AaPpMm' : '')
                        .replace( /tT/g , ampm ? 'AaPpMm' : '')
                        .replace( /T/g , ampm ? 'AP' : '')
                        .replace( /tt/g , ampm ? 'apm' : '')
                        .replace( /t/g , ampm ? 'ap' : '') +
                            " " +
                                tp_inst._defaults.separator +
                                    tp_inst._defaults.timeSuffix +
                                        (tp_inst._defaults.showTimezone ? tp_inst._defaults.timezoneList.join('') : '') +
                                            dateChars,
                    chr = String.fromCharCode(event.charCode === undefined ? event.keyCode : event.charCode);
                return event.ctrlKey || (chr < ' ' || !dateChars || datetimeChars.indexOf(chr) > -1);
            }
        }

        return $.datepicker._base_doKeyPress(event);
    };

//#######################################################################################
// Override key up event to sync manual input changes.
//#######################################################################################
    $.datepicker._base_doKeyUp = $.datepicker._doKeyUp;
    $.datepicker._doKeyUp = function(event) {
        var inst = $.datepicker._getInst(event.target),
            tp_inst = $.datepicker._get(inst, 'timepicker');

        if (tp_inst) {
            if (tp_inst._defaults.timeOnly && (inst.input.val() != inst.lastVal)) {
                try {
                    $.datepicker._updateDatepicker(inst);
                } catch(err) {
                    $.datepicker.log(err);
                }
            }
        }

        return $.datepicker._base_doKeyUp(event);
    };

//#######################################################################################
// override "Today" button to also grab the time.
//#######################################################################################
    $.datepicker._base_gotoToday = $.datepicker._gotoToday;
    $.datepicker._gotoToday = function(id) {
        this._base_gotoToday(id);
        this._setTime(this._getInst($(id)[0]), new Date());
    };

//#######################################################################################
// Disable & enable the Time in the datetimepicker
//#######################################################################################
    $.datepicker._disableTimepickerDatepicker = function(target, date, withDate) {
        var inst = this._getInst(target),
            tp_inst = this._get(inst, 'timepicker');
        $(target).datepicker('getDate'); // Init selected[Year|Month|Day]
        if (tp_inst) {
            tp_inst._defaults.showTimepicker = false;
            tp_inst._updateDateTime(inst);
        }
    };

    $.datepicker._enableTimepickerDatepicker = function(target, date, withDate) {
        var inst = this._getInst(target),
            tp_inst = this._get(inst, 'timepicker');
        $(target).datepicker('getDate'); // Init selected[Year|Month|Day]
        if (tp_inst) {
            tp_inst._defaults.showTimepicker = true;
            tp_inst._addTimePicker(inst); // Could be disabled on page load
            tp_inst._updateDateTime(inst);
        }
    };

//#######################################################################################
// Create our own set time function
//#######################################################################################
    $.datepicker._setTime = function(inst, date) {
        var tp_inst = this._get(inst, 'timepicker');
        if (tp_inst) {
            var defaults = tp_inst._defaults,
			// calling _setTime with no date sets time to defaults
                hour = date ? date.getHours() : defaults.hour,
                minute = date ? date.getMinutes() : defaults.minute,
                second = date ? date.getSeconds() : defaults.second;

            //check if within min/max times..
            if ((hour < defaults.hourMin || hour > defaults.hourMax) || (minute < defaults.minuteMin || minute > defaults.minuteMax) || (second < defaults.secondMin || second > defaults.secondMax)) {
                hour = defaults.hourMin;
                minute = defaults.minuteMin;
                second = defaults.secondMin;
            }

            tp_inst.hour = hour;
            tp_inst.minute = minute;
            tp_inst.second = second;

            if (tp_inst.hour_slider) tp_inst.hour_slider.slider('value', hour);
            if (tp_inst.minute_slider) tp_inst.minute_slider.slider('value', minute);
            if (tp_inst.second_slider) tp_inst.second_slider.slider('value', second);

            tp_inst._onTimeChange();
            tp_inst._updateDateTime(inst);
        }
    };

//#######################################################################################
// Create new public method to set only time, callable as $().datepicker('setTime', date)
//#######################################################################################
    $.datepicker._setTimeDatepicker = function(target, date, withDate) {
        var inst = this._getInst(target),
            tp_inst = this._get(inst, 'timepicker');

        if (tp_inst) {
            this._setDateFromField(inst);
            var tp_date;
            if (date) {
                if (typeof date == "string") {
                    tp_inst._parseTime(date, withDate);
                    tp_date = new Date();
                    tp_date.setHours(tp_inst.hour, tp_inst.minute, tp_inst.second);
                } else tp_date = new Date(date.getTime());
                if (tp_date.toString() == 'Invalid Date') tp_date = undefined;
                this._setTime(inst, tp_date);
            }
        }

    };

//#######################################################################################
// override setDate() to allow setting time too within Date object
//#######################################################################################
    $.datepicker._base_setDateDatepicker = $.datepicker._setDateDatepicker;
    $.datepicker._setDateDatepicker = function(target, date) {
        var inst = this._getInst(target),
            tp_date = (date instanceof Date) ? new Date(date.getTime()) : date;

        this._updateDatepicker(inst);
        this._base_setDateDatepicker.apply(this, arguments);
        this._setTimeDatepicker(target, tp_date, true);
    };

//#######################################################################################
// override getDate() to allow getting time too within Date object
//#######################################################################################
    $.datepicker._base_getDateDatepicker = $.datepicker._getDateDatepicker;
    $.datepicker._getDateDatepicker = function(target, noDefault) {
        var inst = this._getInst(target),
            tp_inst = this._get(inst, 'timepicker');

        if (tp_inst) {
            this._setDateFromField(inst, noDefault);
            var date = this._getDate(inst);
            if (date && tp_inst._parseTime($(target).val(), tp_inst.timeOnly)) date.setHours(tp_inst.hour, tp_inst.minute, tp_inst.second);
            return date;
        }
        return this._base_getDateDatepicker(target, noDefault);
    };

//#######################################################################################
// override parseDate() because UI 1.8.14 throws an error about "Extra characters"
// An option in datapicker to ignore extra format characters would be nicer.
//#######################################################################################
    $.datepicker._base_parseDate = $.datepicker.parseDate;
    $.datepicker.parseDate = function(format, value, settings) {
        var date;
        try {
            date = this._base_parseDate(format, value, settings);
        } catch(err) {
            // Hack!  The error message ends with a colon, a space, and
            // the "extra" characters.  We rely on that instead of
            // attempting to perfectly reproduce the parsing algorithm.
            date = this._base_parseDate(format, value.substring(0, value.length - (err.length - err.indexOf(':') - 2)), settings);
        }
        return date;
    };

//#######################################################################################
// override options setter to add time to maxDate(Time) and minDate(Time)
//#######################################################################################
    $.datepicker._base_optionDatepicker = $.datepicker._optionDatepicker;
    $.datepicker._optionDatepicker = function(target, name, value) {
        this._base_optionDatepicker(target, name, value);
        var inst = this._getInst(target),
            tp_inst = this._get(inst, 'timepicker');
        if (tp_inst) {
            //Set minimum and maximum date values if we have timepicker
            if (name === 'minDate') {
                if (tp_inst._defaults.minDate !== undefined && tp_inst._defaults.minDate instanceof Date)
                    tp_inst._defaults.minDateTime = new Date(value);
                if (tp_inst._defaults.minDateTime !== undefined && tp_inst._defaults.minDateTime instanceof Date)
                    tp_inst._defaults.minDate = new Date(tp_inst._defaults.minDateTime.getTime());
                tp_inst._limitMinMaxDateTime(inst, true);
            }
            if (name === 'maxDate') {
                if (tp_inst._defaults.maxDate !== undefined && tp_inst._defaults.maxDate instanceof Date)
                    tp_inst._defaults.maxDateTime = new Date(value);
                if (tp_inst._defaults.maxDateTime !== undefined && tp_inst._defaults.maxDateTime instanceof Date)
                    tp_inst._defaults.maxDate = new Date(tp_inst._defaults.maxDateTime.getTime());
                tp_inst._limitMinMaxDateTime(inst, true);
            }
        }
    };

//#######################################################################################
// jQuery extend now ignores nulls!
//#######################################################################################

    function extendRemove(target, props) {
        $.extend(target, props);
        for (var name in props)
            if (props[name] === null || props[name] === undefined)
                target[name] = props[name];
        return target;
    }

    $.timepicker = new Timepicker(); // singleton instance
    $.timepicker.version = "0.9.6";

})(jQuery);