/*!



 * jCarousel - Riding carousels with jQuery



 *   http://sorgalla.com/jcarousel/



 *



 * Copyright (c) 2006 Jan Sorgalla (http://sorgalla.com)



 * Dual licensed under the MIT (http://www.opensource.org/licenses/mit-license.php)



 * and GPL (http://www.opensource.org/licenses/gpl-license.php) licenses.



 *



 * Built on top of the jQuery library



 *   http://jquery.com



 *



 * Inspired by the "Carousel Component" by Bill Scott



 *   http://billwscott.com/carousel/



 */







(function($) {



    /**



     * Creates a carousel for all matched elements.



     *



     * @example $("#mycarousel").jcarousel();



     * @before <ul id="mycarousel" class="jcarousel-skin-name"><li>First item</li><li>Second item</li></ul>



     * @result



     *



     * <div class="jcarousel-skin-name">



     *   <div class="jcarousel-container">



     *     <div class="jcarousel-clip">



     *       <ul class="jcarousel-list">



     *         <li class="jcarousel-item-1">First item</li>



     *         <li class="jcarousel-item-2">Second item</li>



     *       </ul>



     *     </div>



     *     <div disabled="disabled" class="jcarousel-prev jcarousel-prev-disabled"></div>



     *     <div class="jcarousel-next"></div>



     *   </div>



     * </div>



     *



     * @method jcarousel



     * @return jQuery



     * @param o {Hash|String} A set of key/value pairs to set as configuration properties or a method name to call on a formerly created instance.



     */



    $.fn.jcarousel = function(o) {



        if (typeof o == 'string') {



            var instance = $(this).data('jcarousel'), args = Array.prototype.slice.call(arguments, 1);



            return instance[o].apply(instance, args);



        } else



            return this.each(function() {



                $(this).data('jcarousel', new $jc(this, o));



            });



    };







    // Default configuration properties.



    var defaults = {



        vertical: false,



        start: 1,



        offset: 1,



        size: null,



        scroll: 4,



        visible: null,



        animation: 'slow',



        easing: 'swing',



        auto: 0,



        wrap: 'circular',



        initCallback: null,



        reloadCallback: null,



        itemLoadCallback: null,



        itemFirstInCallback: null,



        itemFirstOutCallback: null,



        itemLastInCallback: null,



        itemLastOutCallback: null,



        itemVisibleInCallback: null,



        itemVisibleOutCallback: null,



        buttonNextHTML: '<div></div>',



        buttonPrevHTML: '<div></div>',



        buttonNextEvent: 'click',



        buttonPrevEvent: 'click',



        buttonNextCallback: null,



        buttonPrevCallback: null



    };







    /**



     * The jCarousel object.



     *



     * @constructor



     * @class jcarousel



     * @param e {HTMLElement} The element to create the carousel for.



     * @param o {Object} A set of key/value pairs to set as configuration properties.



     * @cat Plugins/jCarousel



     */



    $.jcarousel = function(e, o) {



        this.options    = $.extend({}, defaults, o || {});







        this.locked     = false;







        this.container  = null;



        this.clip       = null;



        this.list       = null;



        this.buttonNext = null;



        this.buttonPrev = null;







        this.wh = !this.options.vertical ? 'width' : 'height';



        this.lt = !this.options.vertical ? 'left' : 'top';







        // Extract skin class



        var skin = '', split = e.className.split(' ');







        for (var i = 0; i < split.length; i++) {



            if (split[i].indexOf('jcarousel-skin') != -1) {



                $(e).removeClass(split[i]);



                skin = split[i];



                break;



            }



        }







        if (e.nodeName == 'UL' || e.nodeName == 'OL') {



            this.list = $(e);



            this.container = this.list.parent();







            if (this.container.hasClass('jcarousel-clip')) {



                if (!this.container.parent().hasClass('jcarousel-container'))



                    this.container = this.container.wrap('<div></div>');







                this.container = this.container.parent();



            } else if (!this.container.hasClass('jcarousel-container'))



                this.container = this.list.wrap('<div></div>').parent();



        } else {



            this.container = $(e);



            this.list = this.container.find('ul,ol').eq(0);



        }







        if (skin != '' && this.container.parent()[0].className.indexOf('jcarousel-skin') == -1)



            this.container.wrap('<div class=" '+ skin + '"></div>');







        this.clip = this.list.parent();







        if (!this.clip.length || !this.clip.hasClass('jcarousel-clip'))



            this.clip = this.list.wrap('<div></div>').parent();







        this.buttonNext = $('.jcarousel-next', this.container);







        if (this.buttonNext.size() == 0 && this.options.buttonNextHTML != null)



            this.buttonNext = this.clip.after(this.options.buttonNextHTML).next();







        this.buttonNext.addClass(this.className('jcarousel-next'));







        this.buttonPrev = $('.jcarousel-prev', this.container);







        if (this.buttonPrev.size() == 0 && this.options.buttonPrevHTML != null)



            this.buttonPrev = this.clip.after(this.options.buttonPrevHTML).next();







        this.buttonPrev.addClass(this.className('jcarousel-prev'));







        this.clip.addClass(this.className('jcarousel-clip')).css({



            overflow: 'hidden',



            position: 'relative'



        });


        this.list.addClass(this.className('jcarousel-list')).css({



            overflow: 'hidden',



            position: 'relative',



            top: 0,



            left: 0,



            margin: 0,



            padding: 0



        });



        this.container.addClass(this.className('jcarousel-container')).css({



            position: 'relative'



        });







        var di = this.options.visible != null ? Math.ceil(this.clipping() / this.options.visible) : null;



        var li = this.list.children('li');







        var self = this;







        if (li.size() > 0) {



            var wh = 0, i = this.options.offset;



            li.each(function() {



                self.format(this, i++);



                wh += self.dimension(this, di);



            });







            this.list.css(this.wh, wh + 'px');







            // Only set if not explicitly passed as option



            if (!o || o.size === undefined)



                this.options.size = li.size();



        }







        // For whatever reason, .show() does not work in Safari...



        this.container.css('display', 'block');



        this.buttonNext.css('display', 'block');



        this.buttonPrev.css('display', 'block');







        this.funcNext   = function() { self.next(); };



        this.funcPrev   = function() { self.prev(); };



        this.funcResize = function() { self.reload(); };







        if (this.options.initCallback != null)



            this.options.initCallback(this, 'init');







        if ($.browser.safari) {



            this.buttons(false, false);



            $(window).bind('load.jcarousel', function() { self.setup(); });



        } else



            this.setup();



    };







    // Create shortcut for internal use



    var $jc = $.jcarousel;







    $jc.fn = $jc.prototype = {



        jcarousel: '0.2.4'



    };







    $jc.fn.extend = $jc.extend = $.extend;







    $jc.fn.extend({



        /**



         * Setups the carousel.



         *



         * @method setup



         * @return undefined



         */



        setup: function() {



            this.first     = null;



            this.last      = null;



            this.prevFirst = null;



            this.prevLast  = null;



            this.animating = false;



            this.timer     = null;



            this.tail      = null;



            this.inTail    = false;







            if (this.locked)



                return;







            this.list.css(this.lt, this.pos(this.options.offset) + 'px');



            var p = this.pos(this.options.start);



            this.prevFirst = this.prevLast = null;



            this.animate(p, false);







            $(window).unbind('resize.jcarousel', this.funcResize).bind('resize.jcarousel', this.funcResize);



        },







        /**



         * Clears the list and resets the carousel.



         *



         * @method reset



         * @return undefined



         */



        reset: function() {



            this.list.empty();







            this.list.css(this.lt, '0px');



            this.list.css(this.wh, '10px');







            if (this.options.initCallback != null)



                this.options.initCallback(this, 'reset');







            this.setup();



        },







        /**



         * Reloads the carousel and adjusts positions.



         *



         * @method reload



         * @return undefined



         */



        reload: function() {



            if (this.tail != null && this.inTail)



                this.list.css(this.lt, $jc.intval(this.list.css(this.lt)) + this.tail);







            this.tail   = null;



            this.inTail = false;







            if (this.options.reloadCallback != null)



                this.options.reloadCallback(this);







            if (this.options.visible != null) {



                var self = this;



                var di = Math.ceil(this.clipping() / this.options.visible), wh = 0, lt = 0;



                $('li', this.list).each(function(i) {



                    wh += self.dimension(this, di);



                    if (i + 1 < self.first)



                        lt = wh;



                });







                this.list.css(this.wh, wh + 'px');



                this.list.css(this.lt, -lt + 'px');



            }







            this.scroll(this.first, false);



        },







        /**



         * Locks the carousel.



         *



         * @method lock



         * @return undefined



         */



        lock: function() {

            this.locked = true;



            this.buttons();



        },







        /**



         * Unlocks the carousel.



         *



         * @method unlock



         * @return undefined



         */



        unlock: function() {



            this.locked = false;



            this.buttons();



        },







        /**



         * Sets the size of the carousel.



         *



         * @method size



         * @return undefined



         * @param s {Number} The size of the carousel.



         */



        size: function(s) {



            if (s != undefined) {



                this.options.size = s;



                if (!this.locked)



                    this.buttons();



            }







            return this.options.size;



        },







        /**



         * Checks whether a list element exists for the given index (or index range).



         *



         * @method get



         * @return bool



         * @param i {Number} The index of the (first) element.



         * @param i2 {Number} The index of the last element.



         */



        has: function(i, i2) {



            if (i2 == undefined || !i2)



                i2 = i;







            if (this.options.size !== null && i2 > this.options.size)



                i2 = this.options.size;







            for (var j = i; j <= i2; j++) {



                var e = this.get(j);



                if (!e.length || e.hasClass('jcarousel-item-placeholder'))



                    return false;



            }







            return true;



        },







        /**



         * Returns a jQuery object with list element for the given index.



         *



         * @method get



         * @return jQuery



         * @param i {Number} The index of the element.



         */



        get: function(i) {



            return $('.jcarousel-item-' + i, this.list);



        },







        /**



         * Adds an element for the given index to the list.



         * If the element already exists, it updates the inner html.



         * Returns the created element as jQuery object.



         *



         * @method add



         * @return jQuery



         * @param i {Number} The index of the element.



         * @param s {String} The innerHTML of the element.



         */



        add: function(i, s) {



            var e = this.get(i), old = 0, add = 0;







            if (e.length == 0) {



                var c, e = this.create(i), j = $jc.intval(i);



                while (c = this.get(--j)) {



                    if (j <= 0 || c.length) {



                        j <= 0 ? this.list.prepend(e) : c.after(e);



                        break;



                    }



                }



            } else



                old = this.dimension(e);







            e.removeClass(this.className('jcarousel-item-placeholder'));



            typeof s == 'string' ? e.html(s) : e.empty().append(s);







            var di = this.options.visible != null ? Math.ceil(this.clipping() / this.options.visible) : null;



            var wh = this.dimension(e, di) - old;







            if (i > 0 && i < this.first)



                this.list.css(this.lt, $jc.intval(this.list.css(this.lt)) - wh + 'px');







            this.list.css(this.wh, $jc.intval(this.list.css(this.wh)) + wh + 'px');







            return e;



        },







        /**



         * Removes an element for the given index from the list.



         *



         * @method remove



         * @return undefined



         * @param i {Number} The index of the element.



         */



        remove: function(i) {



            var e = this.get(i);







            // Check if item exists and is not currently visible



            if (!e.length || (i >= this.first && i <= this.last))



                return;







            var d = this.dimension(e);







            if (i < this.first)



                this.list.css(this.lt, $jc.intval(this.list.css(this.lt)) + d + 'px');







            e.remove();







            this.list.css(this.wh, $jc.intval(this.list.css(this.wh)) - d + 'px');



        },







        /**



         * Moves the carousel forwards.



         *



         * @method next



         * @return undefined



         */



        next: function() {



            this.stopAuto();







            if (this.tail != null && !this.inTail)



                this.scrollTail(false);



            else



                this.scroll(((this.options.wrap == 'both' || this.options.wrap == 'last') && this.options.size != null && this.last == this.options.size) ? 1 : this.first + this.options.scroll);



        },







        /**



         * Moves the carousel backwards.



         *



         * @method prev



         * @return undefined



         */



        prev: function() {



            this.stopAuto();







            if (this.tail != null && this.inTail)



                this.scrollTail(true);



            else



                this.scroll(((this.options.wrap == 'both' || this.options.wrap == 'first') && this.options.size != null && this.first == 1) ? this.options.size : this.first - this.options.scroll);



        },







        /**



         * Scrolls the tail of the carousel.



         *



         * @method scrollTail



         * @return undefined



         * @param b {Boolean} Whether scroll the tail back or forward.



         */



        scrollTail: function(b) {



            if (this.locked || this.animating || !this.tail)



                return;







            var pos  = $jc.intval(this.list.css(this.lt));







            !b ? pos -= this.tail : pos += this.tail;



            this.inTail = !b;







            // Save for callbacks



            this.prevFirst = this.first;



            this.prevLast  = this.last;







            this.animate(pos);



        },







        /**



         * Scrolls the carousel to a certain position.



         *



         * @method scroll



         * @return undefined



         * @param i {Number} The index of the element to scoll to.



         * @param a {Boolean} Flag indicating whether to perform animation.



         */



        scroll: function(i, a) {



            if (this.locked || this.animating)



                return;







            this.animate(this.pos(i), a);



        },







        /**



         * Prepares the carousel and return the position for a certian index.



         *



         * @method pos



         * @return {Number}



         * @param i {Number} The index of the element to scoll to.



         */



        pos: function(i) {



            var pos  = $jc.intval(this.list.css(this.lt));







            if (this.locked || this.animating)



                return pos;







            if (this.options.wrap != 'circular')



                i = i < 1 ? 1 : (this.options.size && i > this.options.size ? this.options.size : i);







            var back = this.first > i;







            // Create placeholders, new list width/height



            // and new list position



            var f = this.options.wrap != 'circular' && this.first <= 1 ? 1 : this.first;



            var c = back ? this.get(f) : this.get(this.last);



            var j = back ? f : f - 1;



            var e = null, l = 0, p = false, d = 0, g;







            while (back ? --j >= i : ++j < i) {



                e = this.get(j);



                p = !e.length;



                if (e.length == 0) {



                    e = this.create(j).addClass(this.className('jcarousel-item-placeholder'));



                    c[back ? 'before' : 'after' ](e);







                    if (this.first != null && this.options.wrap == 'circular' && this.options.size !== null && (j <= 0 || j > this.options.size)) {



                        g = this.get(this.index(j));



                        if (g.length)



                            this.add(j, g.children().clone(true));



                    }



                }







                c = e;



                d = this.dimension(e);







                if (p)



                    l += d;







                if (this.first != null && (this.options.wrap == 'circular' || (j >= 1 && (this.options.size == null || j <= this.options.size))))



                    pos = back ? pos + d : pos - d;



            }







            // Calculate visible items



            var clipping = this.clipping();



            var cache = [];



            var visible = 0, j = i, v = 0;



            var c = this.get(i - 1);







            while (++visible) {



                e = this.get(j);



                p = !e.length;



                if (e.length == 0) {



                    e = this.create(j).addClass(this.className('jcarousel-item-placeholder'));



                    // This should only happen on a next scroll



                    c.length == 0 ? this.list.prepend(e) : c[back ? 'before' : 'after' ](e);







                    if (this.first != null && this.options.wrap == 'circular' && this.options.size !== null && (j <= 0 || j > this.options.size)) {



                        g = this.get(this.index(j));



                        if (g.length)



                            this.add(j, g.find('>*').clone(true));



                    }



                }







                c = e;



                var d = this.dimension(e);



                if (d == 0) {



                    alert('jCarousel: No width/height set for items. This will cause an infinite loop. Aborting...');



                    return 0;



                }







                if (this.options.wrap != 'circular' && this.options.size !== null && j > this.options.size)



                    cache.push(e);



                else if (p)



                    l += d;







                v += d;







                if (v >= clipping)



                    break;







                j++;



            }







             // Remove out-of-range placeholders



            for (var x = 0; x < cache.length; x++)



                cache[x].remove();







            // Resize list



            if (l > 0) {



                this.list.css(this.wh, this.dimension(this.list) + l + 'px');







                if (back) {



                    pos -= l;



                    this.list.css(this.lt, $jc.intval(this.list.css(this.lt)) - l + 'px');



                }



            }







            // Calculate first and last item



            var last = i + visible - 1;



            if (this.options.wrap != 'circular' && this.options.size && last > this.options.size)



                last = this.options.size;







            if (j > last) {



                visible = 0, j = last, v = 0;



                while (++visible) {



                    var e = this.get(j--);



                    if (!e.length)



                        break;



                    v += this.dimension(e);



                    if (v >= clipping)



                        break;



                }



            }







            var first = last - visible + 1;



            if (this.options.wrap != 'circular' && first < 1)



                first = 1;







            if (this.inTail && back) {



                pos += this.tail;



                this.inTail = false;



            }







            this.tail = null;



            if (this.options.wrap != 'circular' && last == this.options.size && (last - visible + 1) >= 1) {



                var m = $jc.margin(this.get(last), !this.options.vertical ? 'marginRight' : 'marginBottom');



                if ((v - m) > clipping)



                    this.tail = v - clipping - m;



            }







            // Adjust position



            while (i-- > first)



                pos += this.dimension(this.get(i));







            // Save visible item range



            this.prevFirst = this.first;



            this.prevLast  = this.last;



            this.first     = first;



            this.last      = last;







            return pos;



        },







        /**



         * Animates the carousel to a certain position.



         *



         * @method animate



         * @return undefined



         * @param p {Number} Position to scroll to.



         * @param a {Boolean} Flag indicating whether to perform animation.



         */



        animate: function(p, a) {



            if (this.locked || this.animating)



                return;







            this.animating = true;







            var self = this;



            var scrolled = function() {



                self.animating = false;







                if (p == 0)



                    self.list.css(self.lt,  0);







                if (self.options.wrap == 'circular' || self.options.wrap == 'both' || self.options.wrap == 'last' || self.options.size == null || self.last < self.options.size)



                    self.startAuto();







                self.buttons();



                self.notify('onAfterAnimation');



            };







            this.notify('onBeforeAnimation');







            // Animate



            if (!this.options.animation || a == false) {



                this.list.css(this.lt, p + 'px');



                scrolled();



            } else {



                var o = !this.options.vertical ? {'left': p} : {'top': p};



                this.list.animate(o, this.options.animation, this.options.easing, scrolled);



            }



        },







        /**



         * Starts autoscrolling.



         *



         * @method auto



         * @return undefined



         * @param s {Number} Seconds to periodically autoscroll the content.



         */



        startAuto: function(s) {



            if (s != undefined)



                this.options.auto = s;







            if (this.options.auto == 0)



                return this.stopAuto();







            if (this.timer != null)



                return;







            var self = this;



            this.timer = setTimeout(function() { self.next(); }, this.options.auto * 1000);



        },







        /**



         * Stops autoscrolling.



         *



         * @method stopAuto



         * @return undefined



         */



        stopAuto: function() {



            if (this.timer == null)



                return;







            clearTimeout(this.timer);



            this.timer = null;



        },







        /**



         * Sets the states of the prev/next buttons.



         *



         * @method buttons



         * @return undefined



         */



        buttons: function(n, p) {



            if (n == undefined || n == null) {



                var n = !this.locked && this.options.size !== 0 && ((this.options.wrap && this.options.wrap != 'first') || this.options.size == null || this.last < this.options.size);



                if (!this.locked && (!this.options.wrap || this.options.wrap == 'first') && this.options.size != null && this.last >= this.options.size)



                    n = this.tail != null && !this.inTail;



            }







            if (p == undefined || p == null) {



                var p = !this.locked && this.options.size !== 0 && ((this.options.wrap && this.options.wrap != 'last') || this.first > 1);



                if (!this.locked && (!this.options.wrap || this.options.wrap == 'last') && this.options.size != null && this.first == 1)



                    p = this.tail != null && this.inTail;



            }







            var self = this;







            this.buttonNext[n ? 'bind' : 'unbind'](this.options.buttonNextEvent + '.jcarousel', this.funcNext)[n ? 'removeClass' : 'addClass'](this.className('jcarousel-next-disabled')).attr('disabled', n ? false : true);



            this.buttonPrev[p ? 'bind' : 'unbind'](this.options.buttonPrevEvent + '.jcarousel', this.funcPrev)[p ? 'removeClass' : 'addClass'](this.className('jcarousel-prev-disabled')).attr('disabled', p ? false : true);







            if (this.buttonNext.length > 0 && (this.buttonNext[0].jcarouselstate == undefined || this.buttonNext[0].jcarouselstate != n) && this.options.buttonNextCallback != null) {



                this.buttonNext.each(function() { self.options.buttonNextCallback(self, this, n); });



                this.buttonNext[0].jcarouselstate = n;



            }







            if (this.buttonPrev.length > 0 && (this.buttonPrev[0].jcarouselstate == undefined || this.buttonPrev[0].jcarouselstate != p) && this.options.buttonPrevCallback != null) {



                this.buttonPrev.each(function() { self.options.buttonPrevCallback(self, this, p); });



                this.buttonPrev[0].jcarouselstate = p;



            }



        },







        /**



         * Notify callback of a specified event.



         *



         * @method notify



         * @return undefined



         * @param evt {String} The event name



         */



        notify: function(evt) {



            var state = this.prevFirst == null ? 'init' : (this.prevFirst < this.first ? 'next' : 'prev');







            // Load items



            this.callback('itemLoadCallback', evt, state);







            if (this.prevFirst !== this.first) {



                this.callback('itemFirstInCallback', evt, state, this.first);



                this.callback('itemFirstOutCallback', evt, state, this.prevFirst);



            }







            if (this.prevLast !== this.last) {



                this.callback('itemLastInCallback', evt, state, this.last);



                this.callback('itemLastOutCallback', evt, state, this.prevLast);



            }







            this.callback('itemVisibleInCallback', evt, state, this.first, this.last, this.prevFirst, this.prevLast);



            this.callback('itemVisibleOutCallback', evt, state, this.prevFirst, this.prevLast, this.first, this.last);



        },







        callback: function(cb, evt, state, i1, i2, i3, i4) {



            if (this.options[cb] == undefined || (typeof this.options[cb] != 'object' && evt != 'onAfterAnimation'))



                return;







            var callback = typeof this.options[cb] == 'object' ? this.options[cb][evt] : this.options[cb];







            if (!$.isFunction(callback))



                return;







            var self = this;







            if (i1 === undefined)



                callback(self, state, evt);



            else if (i2 === undefined)



                this.get(i1).each(function() { callback(self, this, i1, state, evt); });



            else {



                for (var i = i1; i <= i2; i++)



                    if (i !== null && !(i >= i3 && i <= i4))



                        this.get(i).each(function() { callback(self, this, i, state, evt); });



            }



        },







        create: function(i) {



            return this.format('<li></li>', i);



        },







        format: function(e, i) {



            var $e = $(e).addClass(this.className('jcarousel-item')).addClass(this.className('jcarousel-item-' + i)).css({



                'float': 'left',



                'list-style': 'none'



            });



            $e.attr('jcarouselindex', i);



            return $e;



        },







        className: function(c) {



            return c + ' ' + c + (!this.options.vertical ? '-horizontal' : '-vertical');



        },







        dimension: function(e, d) {



            var el = e.jquery != undefined ? e[0] : e;







            var old = !this.options.vertical ?



                el.offsetWidth + $jc.margin(el, 'marginLeft') + $jc.margin(el, 'marginRight') :



                el.offsetHeight + $jc.margin(el, 'marginTop') + $jc.margin(el, 'marginBottom');







            if (d == undefined || old == d)



                return old;







            var w = !this.options.vertical ?



                d - $jc.margin(el, 'marginLeft') - $jc.margin(el, 'marginRight') :



                d - $jc.margin(el, 'marginTop') - $jc.margin(el, 'marginBottom');







            $(el).css(this.wh, w + 'px');







            return this.dimension(el);



        },







        clipping: function() {



            return !this.options.vertical ?



                this.clip[0].offsetWidth - $jc.intval(this.clip.css('borderLeftWidth')) - $jc.intval(this.clip.css('borderRightWidth')) :



                this.clip[0].offsetHeight - $jc.intval(this.clip.css('borderTopWidth')) - $jc.intval(this.clip.css('borderBottomWidth'));



        },







        index: function(i, s) {



            if (s == undefined)



                s = this.options.size;







            return Math.round((((i-1) / s) - Math.floor((i-1) / s)) * s) + 1;



        }



    });







    $jc.extend({



        /**



         * Gets/Sets the global default configuration properties.



         *



         * @method defaults



         * @return {Object}



         * @param d {Object} A set of key/value pairs to set as configuration properties.



         */



        defaults: function(d) {



            return $.extend(defaults, d || {});



        },







        margin: function(e, p) {



            if (!e)



                return 0;







            var el = e.jquery != undefined ? e[0] : e;







            if (p == 'marginRight' && $.browser.safari) {



                var old = {'display': 'block', 'float': 'none', 'width': 'auto'}, oWidth, oWidth2;







                $.swap(el, old, function() { oWidth = el.offsetWidth; });







                old['marginRight'] = 0;



                $.swap(el, old, function() { oWidth2 = el.offsetWidth; });







                return oWidth2 - oWidth;



            }







            return $jc.intval($.css(el, p));



        },







        intval: function(v) {



            v = parseInt(v);



            return isNaN(v) ? 0 : v;



        }



    });







})(jQuery);