/*

* FancyBox - jQuery Plugin
* Simple and fancy lightbox alternative
*
* Examples and documentation at: http://fancybox.net
*
* Copyright (c) 2008 - 2010 Janis Skarnelis
* That said, it is hardly a one-person project. Many people have submitted bugs, code, and offered their advice freely. Their support is greatly appreciated.
*
* Version: 1.3.4 (11/11/2010)
* Requires: jQuery v1.3+
*
* Dual licensed under the MIT and GPL licenses:
*   http://www.opensource.org/licenses/mit-license.php
*   http://www.gnu.org/licenses/gpl.html
*/

;(function($) {

var tmp, loading, overlay, wrap, outer, content, close, title, nav_left, nav_right,
        selectedIndex = 0, selectedOpts = {}, selectedArray = [], currentIndex = 0, currentOpts = {}, currentArray = [],
        ajaxLoader = null, imgPreloader = new Image(), imgRegExp = /\.(jpg|gif|png|bmp|jpeg)(.*)?$/i, swfRegExp = /[^\.]\.(swf)\s*$/i,
        loadingTimer, loadingFrame = 1,
        titleHeight = 0, titleStr = '', start_pos, final_pos, busy = false, fx = $.extend($('<div/>')[0], { prop: 0 }),
        isIE6 = $.browser.msie && $.browser.version < 7 && !window.XMLHttpRequest,
        /*
         * Private methods 
         */
        _abort = function() {
                loading.hide();
                imgPreloader.onerror = imgPreloader.onload = null;
                if (ajaxLoader) {
                        ajaxLoader.abort();
                }
                tmp.empty();
        },
        _error = function() {
                if (false === selectedOpts.onError(selectedArray, selectedIndex, selectedOpts)) {
                        loading.hide();
                        busy = false;
                        return;
                }
                selectedOpts.titleShow = false;
                selectedOpts.width = 'auto';
                selectedOpts.height = 'auto';
                tmp.html( '<p id="fancybox-error">The requested content cannot be loaded.<br />Please try again later.</p>' );
                _process_inline();
        },
        _start = function() {
                var obj = selectedArray[ selectedIndex ],
                        href, 
                        type, 
                        title,
                        str,
                        emb,
                        ret;
                _abort();
                selectedOpts = $.extend({}, $.fn.fancybox.defaults, (typeof $(obj).data('fancybox') == 'undefined' ? selectedOpts : $(obj).data('fancybox')));
                ret = selectedOpts.onStart(selectedArray, selectedIndex, selectedOpts);
                if (ret === false) {
                        busy = false;
                        return;
                } else if (typeof ret == 'object') {
                        selectedOpts = $.extend(selectedOpts, ret);
                }
                title = selectedOpts.title || (obj.nodeName ? $(obj).attr('title') : obj.title) || '';
                if (obj.nodeName && !selectedOpts.orig) {
                        selectedOpts.orig = $(obj).children("img:first").length ? $(obj).children("img:first") : $(obj);
                }
                if (title === '' && selectedOpts.orig && selectedOpts.titleFromAlt) {
                        title = selectedOpts.orig.attr('alt');
                }
                href = selectedOpts.href || (obj.nodeName ? $(obj).attr('href') : obj.href) || null;
                if ((/^(?:javascript)/i).test(href) || href == '#') {
                        href = null;
                }
                if (selectedOpts.type) {
                        type = selectedOpts.type;
                        if (!href) {
                                href = selectedOpts.content;
                        }
                } else if (selectedOpts.content) {
                        type = 'html';
                } else if (href) {
                        if (href.match(imgRegExp)) {
                                type = 'image';
                        } else if (href.match(swfRegExp)) {
                                type = 'swf';
                        } else if ($(obj).hasClass("iframe")) {
                                type = 'iframe';
                        } else if (href.indexOf("#") === 0) {
                                type = 'inline';
                        } else {
                                type = 'ajax';
                        }
                }
                if (!type) {
                        _error();
                        return;
                }
                if (type == 'inline') {
                        obj     = href.substr(href.indexOf("#"));
                        type = $(obj).length > 0 ? 'inline' : 'ajax';
                }
                selectedOpts.type = type;
                selectedOpts.href = href;
                selectedOpts.title = title;
                if (selectedOpts.autoDimensions) {
                        if (selectedOpts.type == 'html' || selectedOpts.type == 'inline' || selectedOpts.type == 'ajax') {
                                selectedOpts.width = 'auto';
                                selectedOpts.height = 'auto';
                        } else {
                                selectedOpts.autoDimensions = false;    
                        }
                }
                if (selectedOpts.modal) {
                        selectedOpts.overlayShow = true;
                        selectedOpts.hideOnOverlayClick = false;
                        selectedOpts.hideOnContentClick = false;
                        selectedOpts.enableEscapeButton = false;
                        selectedOpts.showCloseButton = false;
                }
                selectedOpts.padding = parseInt(selectedOpts.padding, 10);
                selectedOpts.margin = parseInt(selectedOpts.margin, 10);
                tmp.css('padding', (selectedOpts.padding + selectedOpts.margin));
                $('.fancybox-inline-tmp').unbind('fancybox-cancel').bind('fancybox-change', function() {
                        $(this).replaceWith(content.children());                                
                });
                switch (type) {
                        case 'html' :
                                tmp.html( selectedOpts.content );
                                _process_inline();
                        break;
                        case 'inline' :
                                if ( $(obj).parent().is('#fancybox-content') === true) {
                                        busy = false;
                                        return;
                                }
                                $('<div class="fancybox-inline-tmp" />')
                                        .hide()
                                        .insertBefore( $(obj) )
                                        .bind('fancybox-cleanup', function() {
                                                $(this).replaceWith(content.children());
                                        }).bind('fancybox-cancel', function() {
                                                $(this).replaceWith(tmp.children());
                                        });
                                $(obj).appendTo(tmp);
                                _process_inline();
                        break;
                        case 'image':
                                busy = false;
                                $.fancybox.showActivity();
                                imgPreloader = new Image();
                                imgPreloader.onerror = function() {
                                        _error();
                                };
                                imgPreloader.onload = function() {
                                        busy = true;
                                        imgPreloader.onerror = imgPreloader.onload = null;
                                        _process_image();
                                };
                                imgPreloader.src = href;
                        break;
                        case 'swf':
                                selectedOpts.scrolling = 'no';
                                str = '<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" width="' + selectedOpts.width + '" height="' + selectedOpts.height + '"><param name="movie" value="' + href + '"></param>';
                                emb = '';
                                $.each(selectedOpts.swf, function(name, val) {
                                        str += '<param name="' + name + '" value="' + val + '"></param>';
                                        emb += ' ' + name + '="' + val + '"';
                                });
                                str += '<embed src="' + href + '" type="application/x-shockwave-flash" width="' + selectedOpts.width + '" height="' + selectedOpts.height + '"' + emb + '></embed></object>';
                                tmp.html(str);
                                _process_inline();
                        break;
                        case 'ajax':
                                busy = false;
                                $.fancybox.showActivity();
                                selectedOpts.ajax.win = selectedOpts.ajax.success;
                                ajaxLoader = $.ajax($.extend({}, selectedOpts.ajax, {
                                        url     : href,
                                        data : selectedOpts.ajax.data || {},
                                        error : function(XMLHttpRequest, textStatus, errorThrown) {
                                                if ( XMLHttpRequest.status > 0 ) {
                                                        _error();
                                                }
                                        },
                                        success : function(data, textStatus, XMLHttpRequest) {
                                                var o = typeof XMLHttpRequest == 'object' ? XMLHttpRequest : ajaxLoader;
                                                if (o.status == 200) {
                                                        if ( typeof selectedOpts.ajax.win == 'function' ) {
                                                                ret = selectedOpts.ajax.win(href, data, textStatus, XMLHttpRequest);
                                                                if (ret === false) {
                                                                        loading.hide();
                                                                        return;
                                                                } else if (typeof ret == 'string' || typeof ret == 'object') {
                                                                        data = ret;
                                                                }
                                                        }
                                                        tmp.html( data );
                                                        _process_inline();
                                                }
                                        }
                                }));
                        break;
                        case 'iframe':
                                _show();
                        break;
                }
        },
        _process_inline = function() {
                var
                        w = selectedOpts.width,
                        h = selectedOpts.height;
                if (w.toString().indexOf('%') > -1) {
                        w = parseInt( ($(window).width() - (selectedOpts.margin * 2)) * parseFloat(w) / 100, 10) + 'px';
                } else {
                        w = w == 'auto' ? 'auto' : w + 'px';    
                }
                if (h.toString().indexOf('%') > -1) {
                        h = parseInt( ($(window).height() - (selectedOpts.margin * 2)) * parseFloat(h) / 100, 10) + 'px';
                } else {
                        h = h == 'auto' ? 'auto' : h + 'px';    
                }
                tmp.wrapInner('<div style="width:' + w + ';height:' + h + ';overflow: ' + (selectedOpts.scrolling == 'auto' ? 'auto' : (selectedOpts.scrolling == 'yes' ? 'scroll' : 'hidden')) + ';position:relative;"></div>');
                selectedOpts.width = tmp.width();
                selectedOpts.height = tmp.height();
                _show();
        },
        _process_image = function() {
                selectedOpts.width = imgPreloader.width;
                selectedOpts.height = imgPreloader.height;
                $("<img />").attr({
                        'id' : 'fancybox-img',
                        'src' : imgPreloader.src,
                        'alt' : selectedOpts.title
                }).appendTo( tmp );
                _show();
        },
        _show = function() {
                var pos, equal;
                loading.hide();
                if (wrap.is(":visible") && false === currentOpts.onCleanup(currentArray, currentIndex, currentOpts)) {
                        $.event.trigger('fancybox-cancel');
                        busy = false;
                        return;
                }
                busy = true;
                $(content.add( overlay )).unbind();
                $(window).unbind("resize.fb scroll.fb");
                $(document).unbind('keydown.fb');
                if (wrap.is(":visible") && currentOpts.titlePosition !== 'outside') {
                        wrap.css('height', wrap.height());
                }
                currentArray = selectedArray;
                currentIndex = selectedIndex;
                currentOpts = selectedOpts;
                if (currentOpts.overlayShow) {
                        overlay.css({
                                'background-color' : currentOpts.overlayColor,
                                'opacity' : currentOpts.overlayOpacity,
                                'cursor' : currentOpts.hideOnOverlayClick ? 'pointer' : 'auto',
                                'height' : $(document).height()
                        });
                        if (!overlay.is(':visible')) {
                                if (isIE6) {
                                        $('select:not(#fancybox-tmp select)').filter(function() {
                                                return this.style.visibility !== 'hidden';
                                        }).css({'visibility' : 'hidden'}).one('fancybox-cleanup', function() {
                                                this.style.visibility = 'inherit';
                                        });
                                }
                                overlay.show();
                        }
                } else {
                        overlay.hide();
                }
                final_pos = _get_zoom_to();
                _process_title();
                if (wrap.is(":visible")) {
                        $( close.add( nav_left ).add( nav_right ) ).hide();
                        pos = wrap.position(),
                        start_pos = {
                                top      : pos.top,
                                left : pos.left,
                                width : wrap.width(),
                                height : wrap.height()
                        };
                        equal = (start_pos.width == final_pos.width && start_pos.height == final_pos.height);
                        content.fadeTo(currentOpts.changeFade, 0.3, function() {
                                var finish_resizing = function() {
                                        content.html( tmp.contents() ).fadeTo(currentOpts.changeFade, 1, _finish);
                                };
                                $.event.trigger('fancybox-change');
                                content
                                        .empty()
                                        .removeAttr('filter')
                                        .css({
                                                'border-width' : currentOpts.padding,
                                                'width' : final_pos.width - currentOpts.padding * 2,
                                                'height' : selectedOpts.autoDimensions ? 'auto' : final_pos.height - titleHeight - currentOpts.padding * 2
                                        });
                                if (equal) {
                                        finish_resizing();
                                } else {
                                        fx.prop = 0;
                                        $(fx).animate({prop: 1}, {
                                                 duration : currentOpts.changeSpeed,
                                                 easing : currentOpts.easingChange,
                                                 step : _draw,
                                                 complete : finish_resizing
                                        });
                                }
                        });
                        return;
                }
                wrap.removeAttr("style");
                content.css('border-width', currentOpts.padding);
                if (currentOpts.transitionIn == 'elastic') {
                        start_pos = _get_zoom_from();
                        content.html( tmp.contents() );
                        wrap.show();
                        if (currentOpts.opacity) {
                                final_pos.opacity = 0;
                        }
                        fx.prop = 0;
                        $(fx).animate({prop: 1}, {
                                 duration : currentOpts.speedIn,
                                 easing : currentOpts.easingIn,
                                 step : _draw,
                                 complete : _finish
                        });
                        return;
                }
                if (currentOpts.titlePosition == 'inside' && titleHeight > 0) { 
                        title.show();   
                }
                content
                        .css({
                                'width' : final_pos.width - currentOpts.padding * 2,
                                'height' : selectedOpts.autoDimensions ? 'auto' : final_pos.height - titleHeight - currentOpts.padding * 2
                        })
                        .html( tmp.contents() );
                wrap
                        .css(final_pos)
                        .fadeIn( currentOpts.transitionIn == 'none' ? 0 : currentOpts.speedIn, _finish );
        },
        _format_title = function(title) {
                if (title && title.length) {
                        if (currentOpts.titlePosition == 'float') {
                                return '<table id="fancybox-title-float-wrap" cellpadding="0" cellspacing="0"><tr><td id="fancybox-title-float-left"></td><td id="fancybox-title-float-main">' + title + '</td><td id="fancybox-title-float-right"></td></tr></table>';
                        }
                        return '<div id="fancybox-title-' + currentOpts.titlePosition + '">' + title + '</div>';
                }
                return false;
        },
        _process_title = function() {
                titleStr = currentOpts.title || '';
                titleHeight = 0;
                title
                        .empty()
                        .removeAttr('style')
                        .removeClass();
                if (currentOpts.titleShow === false) {
                        title.hide();
                        return;
                }
                titleStr = $.isFunction(currentOpts.titleFormat) ? currentOpts.titleFormat(titleStr, currentArray, currentIndex, currentOpts) : _format_title(titleStr);
                if (!titleStr || titleStr === '') {
                        title.hide();
                        return;
                }
                title
                        .addClass('fancybox-title-' + currentOpts.titlePosition)
                        .html( titleStr )
                        .appendTo( 'body' )
                        .show();
                switch (currentOpts.titlePosition) {
                        case 'inside':
                                title
                                        .css({
                                                'width' : final_pos.width - (currentOpts.padding * 2),
                                                'marginLeft' : currentOpts.padding,
                                                'marginRight' : currentOpts.padding
                                        });
                                titleHeight = title.outerHeight(true);
                                title.appendTo( outer );
                                final_pos.height += titleHeight;
                        break;
                        case 'over':
                                title
                                        .css({
                                                'marginLeft' : currentOpts.padding,
                                                'width' : final_pos.width - (currentOpts.padding * 2),
                                                'bottom' : currentOpts.padding
                                        })
                                        .appendTo( outer );
                        break;
                        case 'float':
                                title
                                        .css('left', parseInt((title.width() - final_pos.width - 40)/ 2, 10) * -1)
                                        .appendTo( wrap );
                        break;
                        default:
                                title
                                        .css({
                                                'width' : final_pos.width - (currentOpts.padding * 2),
                                                'paddingLeft' : currentOpts.padding,
                                                'paddingRight' : currentOpts.padding
                                        })
                                        .appendTo( wrap );
                        break;
                }
                title.hide();
        },
        _set_navigation = function() {
                if (currentOpts.enableEscapeButton || currentOpts.enableKeyboardNav) {
                        $(document).bind('keydown.fb', function(e) {
                                if (e.keyCode == 27 && currentOpts.enableEscapeButton) {
                                        e.preventDefault();
                                        $.fancybox.close();
                                } else if ((e.keyCode == 37 || e.keyCode == 39) && currentOpts.enableKeyboardNav && e.target.tagName !== 'INPUT' && e.target.tagName !== 'TEXTAREA' && e.target.tagName !== 'SELECT') {
                                        e.preventDefault();
                                        $.fancybox[ e.keyCode == 37 ? 'prev' : 'next']();
                                }
                        });
                }
                if (!currentOpts.showNavArrows) { 
                        nav_left.hide();
                        nav_right.hide();
                        return;
                }
                if ((currentOpts.cyclic && currentArray.length > 1) || currentIndex !== 0) {
                        nav_left.show();
                }
                if ((currentOpts.cyclic && currentArray.length > 1) || currentIndex != (currentArray.length -1)) {
                        nav_right.show();
                }
        },
        _finish = function () {
                if (!$.support.opacity) {
                        content.get(0).style.removeAttribute('filter');
                        wrap.get(0).style.removeAttribute('filter');
                }
                if (selectedOpts.autoDimensions) {
                        content.css('height', 'auto');
                }
                wrap.css('height', 'auto');
                if (titleStr && titleStr.length) {
                        title.show();
                }
                if (currentOpts.showCloseButton) {
                        close.show();
                }
                _set_navigation();
                if (currentOpts.hideOnContentClick)     {
                        content.bind('click', $.fancybox.close);
                }
                if (currentOpts.hideOnOverlayClick)     {
                        overlay.bind('click', $.fancybox.close);
                }
                $(window).bind("resize.fb", $.fancybox.resize);
                if (currentOpts.centerOnScroll) {
                        $(window).bind("scroll.fb", $.fancybox.center);
                }
                if (currentOpts.type == 'iframe') {
                        $('<iframe id="fancybox-frame" name="fancybox-frame' + new Date().getTime() + '" frameborder="0" hspace="0" ' + ($.browser.msie ? 'allowtransparency="true""' : '') + ' scrolling="' + selectedOpts.scrolling + '" src="' + currentOpts.href + '"></iframe>').appendTo(content);
                }
                wrap.show();
                busy = false;
                $.fancybox.center();
                currentOpts.onComplete(currentArray, currentIndex, currentOpts);
                _preload_images();
        },
        _preload_images = function() {
                var href, 
                        objNext;
                if ((currentArray.length -1) > currentIndex) {
                        href = currentArray[ currentIndex + 1 ].href;
                        if (typeof href !== 'undefined' && href.match(imgRegExp)) {
                                objNext = new Image();
                                objNext.src = href;
                        }
                }
                if (currentIndex > 0) {
                        href = currentArray[ currentIndex - 1 ].href;
                        if (typeof href !== 'undefined' && href.match(imgRegExp)) {
                                objNext = new Image();
                                objNext.src = href;
                        }
                }
        },
        _draw = function(pos) {
                var dim = {
                        width : parseInt(start_pos.width + (final_pos.width - start_pos.width) * pos, 10),
                        height : parseInt(start_pos.height + (final_pos.height - start_pos.height) * pos, 10),
                        top : parseInt(start_pos.top + (final_pos.top - start_pos.top) * pos, 10),
                        left : parseInt(start_pos.left + (final_pos.left - start_pos.left) * pos, 10)
                };
                if (typeof final_pos.opacity !== 'undefined') {
                        dim.opacity = pos < 0.5 ? 0.5 : pos;
                }
                wrap.css(dim);
                content.css({
                        'width' : dim.width - currentOpts.padding * 2,
                        'height' : dim.height - (titleHeight * pos) - currentOpts.padding * 2
                });
        },
        _get_viewport = function() {
                return [
                        $(window).width() - (currentOpts.margin * 2),
                        $(window).height() - (currentOpts.margin * 2),
                        $(document).scrollLeft() + currentOpts.margin,
                        $(document).scrollTop() + currentOpts.margin
                ];
        },
        _get_zoom_to = function () {
                var view = _get_viewport(),
                        to = {},
                        resize = currentOpts.autoScale,
                        double_padding = currentOpts.padding * 2,
                        ratio;
                if (currentOpts.width.toString().indexOf('%') > -1) {
                        to.width = parseInt((view[0] * parseFloat(currentOpts.width)) / 100, 10);
                } else {
                        to.width = currentOpts.width + double_padding;
                }
                if (currentOpts.height.toString().indexOf('%') > -1) {
                        to.height = parseInt((view[1] * parseFloat(currentOpts.height)) / 100, 10);
                } else {
                        to.height = currentOpts.height + double_padding;
                }
                if (resize && (to.width > view[0] || to.height > view[1])) {
                        if (selectedOpts.type == 'image' || selectedOpts.type == 'swf') {
                                ratio = (currentOpts.width ) / (currentOpts.height );
                                if ((to.width ) > view[0]) {
                                        to.width = view[0];
                                        to.height = parseInt(((to.width - double_padding) / ratio) + double_padding, 10);
                                }
                                if ((to.height) > view[1]) {
                                        to.height = view[1];
                                        to.width = parseInt(((to.height - double_padding) * ratio) + double_padding, 10);
                                }
                        } else {
                                to.width = Math.min(to.width, view[0]);
                                to.height = Math.min(to.height, view[1]);
                        }
                }
                to.top = parseInt(Math.max(view[3] - 20, view[3] + ((view[1] - to.height - 40) * 0.5)), 10);
                to.left = parseInt(Math.max(view[2] - 20, view[2] + ((view[0] - to.width - 40) * 0.5)), 10);
                return to;
        },
        _get_obj_pos = function(obj) {
                var pos = obj.offset();
                pos.top += parseInt( obj.css('paddingTop'), 10 ) || 0;
                pos.left += parseInt( obj.css('paddingLeft'), 10 ) || 0;
                pos.top += parseInt( obj.css('border-top-width'), 10 ) || 0;
                pos.left += parseInt( obj.css('border-left-width'), 10 ) || 0;
                pos.width = obj.width();
                pos.height = obj.height();
                return pos;
        },
        _get_zoom_from = function() {
                var orig = selectedOpts.orig ? $(selectedOpts.orig) : false,
                        from = {},
                        pos,
                        view;
                if (orig && orig.length) {
                        pos = _get_obj_pos(orig);
                        from = {
                                width : pos.width + (currentOpts.padding * 2),
                                height : pos.height + (currentOpts.padding * 2),
                                top     : pos.top - currentOpts.padding - 20,
                                left : pos.left - currentOpts.padding - 20
                        };
                } else {
                        view = _get_viewport();
                        from = {
                                width : currentOpts.padding * 2,
                                height : currentOpts.padding * 2,
                                top     : parseInt(view[3] + view[1] * 0.5, 10),
                                left : parseInt(view[2] + view[0] * 0.5, 10)
                        };
                }
                return from;
        },
        _animate_loading = function() {
                if (!loading.is(':visible')){
                        clearInterval(loadingTimer);
                        return;
                }
                $('div', loading).css('top', (loadingFrame * -40) + 'px');
                loadingFrame = (loadingFrame + 1) % 12;
        };
/*
 * Public methods 
 */
$.fn.fancybox = function(options) {
        if (!$(this).length) {
                return this;
        }
        $(this)
                .data('fancybox', $.extend({}, options, ($.metadata ? $(this).metadata() : {})))
                .unbind('click.fb')
                .bind('click.fb', function(e) {
                        e.preventDefault();
                        if (busy) {
                                return;
                        }
                        busy = true;
                        $(this).blur();
                        selectedArray = [];
                        selectedIndex = 0;
                        var rel = $(this).attr('rel') || '';
                        if (!rel || rel == '' || rel === 'nofollow') {
                                selectedArray.push(this);
                        } else {
                                selectedArray = $("a[rel=" + rel + "], area[rel=" + rel + "]");
                                selectedIndex = selectedArray.index( this );
                        }
                        _start();
                        return;
                });
        return this;
};
$.fancybox = function(obj) {
        var opts;
        if (busy) {
                return;
        }
        busy = true;
        opts = typeof arguments[1] !== 'undefined' ? arguments[1] : {};
        selectedArray = [];
        selectedIndex = parseInt(opts.index, 10) || 0;
        if ($.isArray(obj)) {
                for (var i = 0, j = obj.length; i < j; i++) {
                        if (typeof obj[i] == 'object') {
                                $(obj[i]).data('fancybox', $.extend({}, opts, obj[i]));
                        } else {
                                obj[i] = $({}).data('fancybox', $.extend({content : obj[i]}, opts));
                        }
                }
                selectedArray = jQuery.merge(selectedArray, obj);
        } else {
                if (typeof obj == 'object') {
                        $(obj).data('fancybox', $.extend({}, opts, obj));
                } else {
                        obj = $({}).data('fancybox', $.extend({content : obj}, opts));
                }
                selectedArray.push(obj);
        }
        if (selectedIndex > selectedArray.length || selectedIndex < 0) {
                selectedIndex = 0;
        }
        _start();
};
$.fancybox.showActivity = function() {
        clearInterval(loadingTimer);
        loading.show();
        loadingTimer = setInterval(_animate_loading, 66);
};
$.fancybox.hideActivity = function() {
        loading.hide();
};
$.fancybox.next = function() {
        return $.fancybox.pos( currentIndex + 1);
};
$.fancybox.prev = function() {
        return $.fancybox.pos( currentIndex - 1);
};
$.fancybox.pos = function(pos) {
        if (busy) {
                return;
        }
        pos = parseInt(pos);
        selectedArray = currentArray;
        if (pos > -1 && pos < currentArray.length) {
                selectedIndex = pos;
                _start();
        } else if (currentOpts.cyclic && currentArray.length > 1) {
                selectedIndex = pos >= currentArray.length ? 0 : currentArray.length - 1;
                _start();
        }
        return;
};
$.fancybox.cancel = function() {
        if (busy) {
                return;
        }
        busy = true;
        $.event.trigger('fancybox-cancel');
        _abort();
        selectedOpts.onCancel(selectedArray, selectedIndex, selectedOpts);
        busy = false;
};
// Note: within an iframe use - parent.$.fancybox.close();
$.fancybox.close = function() {
        if (busy || wrap.is(':hidden')) {
                return;
        }
        busy = true;
        if (currentOpts && false === currentOpts.onCleanup(currentArray, currentIndex, currentOpts)) {
                busy = false;
                return;
        }
        _abort();
        $(close.add( nav_left ).add( nav_right )).hide();
        $(content.add( overlay )).unbind();
        $(window).unbind("resize.fb scroll.fb");
        $(document).unbind('keydown.fb');
        content.find('iframe').attr('src', isIE6 && /^https/i.test(window.location.href || '') ? 'javascript:void(false)' : 'about:blank');
        if (currentOpts.titlePosition !== 'inside') {
                title.empty();
        }
        wrap.stop();
        function _cleanup() {
                overlay.fadeOut('fast');
                title.empty().hide();
                wrap.hide();
                $.event.trigger('fancybox-cleanup');
                content.empty();
                currentOpts.onClosed(currentArray, currentIndex, currentOpts);
                currentArray = selectedOpts     = [];
                currentIndex = selectedIndex = 0;
                currentOpts = selectedOpts      = {};
                busy = false;
        }
        if (currentOpts.transitionOut == 'elastic') {
                start_pos = _get_zoom_from();
                var pos = wrap.position();
                final_pos = {
                        top      : pos.top ,
                        left : pos.left,
                        width : wrap.width(),
                        height : wrap.height()
                };
                if (currentOpts.opacity) {
                        final_pos.opacity = 1;
                }
                title.empty().hide();
                fx.prop = 1;
                $(fx).animate({ prop: 0 }, {
                         duration : currentOpts.speedOut,
                         easing : currentOpts.easingOut,
                         step : _draw,
                         complete : _cleanup
                });
        } else {
                wrap.fadeOut( currentOpts.transitionOut == 'none' ? 0 : currentOpts.speedOut, _cleanup);
        }
};
$.fancybox.resize = function() {
        if (overlay.is(':visible')) {
                overlay.css('height', $(document).height());
        }
        $.fancybox.center(true);
};
$.fancybox.center = function() {
        var view, align;
        if (busy) {
                return; 
        }
        align = arguments[0] === true ? 1 : 0;
        view = _get_viewport();
        if (!align && (wrap.width() > view[0] || wrap.height() > view[1])) {
                return; 
        }
        wrap
                .stop()
                .animate({
                        'top' : parseInt(Math.max(view[3] - 20, view[3] + ((view[1] - content.height() - 40) * 0.5) - currentOpts.padding)),
                        'left' : parseInt(Math.max(view[2] - 20, view[2] + ((view[0] - content.width() - 40) * 0.5) - currentOpts.padding))
                }, typeof arguments[0] == 'number' ? arguments[0] : 200);
};
$.fancybox.init = function() {
        if ($("#fancybox-wrap").length) {
                return;
        }
        $('body').append(
                tmp     = $('<div id="fancybox-tmp"></div>'),
                loading = $('<div id="fancybox-loading"><div></div></div>'),
                overlay = $('<div id="fancybox-overlay"></div>'),
                wrap = $('<div id="fancybox-wrap"></div>')
        );
        outer = $('<div id="fancybox-outer"></div>')
                .append('<div class="fancybox-bg" id="fancybox-bg-n"></div><div class="fancybox-bg" id="fancybox-bg-ne"></div><div class="fancybox-bg" id="fancybox-bg-e"></div><div class="fancybox-bg" id="fancybox-bg-se"></div><div class="fancybox-bg" id="fancybox-bg-s"></div><div class="fancybox-bg" id="fancybox-bg-sw"></div><div class="fancybox-bg" id="fancybox-bg-w"></div><div class="fancybox-bg" id="fancybox-bg-nw"></div>')
                .appendTo( wrap );
        outer.append(
                content = $('<div id="fancybox-content"></div>'),
                close = $('<a id="fancybox-close"></a>'),
                title = $('<div id="fancybox-title"></div>'),
                nav_left = $('<a href="javascript:;" id="fancybox-left"><span class="fancy-ico" id="fancybox-left-ico"></span></a>'),
                nav_right = $('<a href="javascript:;" id="fancybox-right"><span class="fancy-ico" id="fancybox-right-ico"></span></a>')
        );
        close.click($.fancybox.close);
        loading.click($.fancybox.cancel);
        nav_left.click(function(e) {
                e.preventDefault();
                $.fancybox.prev();
        });
        nav_right.click(function(e) {
                e.preventDefault();
                $.fancybox.next();
        });
        if ($.fn.mousewheel) {
                wrap.bind('mousewheel.fb', function(e, delta) {
                        if (busy) {
                                e.preventDefault();
                        } else if ($(e.target).get(0).clientHeight == 0 || $(e.target).get(0).scrollHeight === $(e.target).get(0).clientHeight) {
                                e.preventDefault();
                                $.fancybox[ delta > 0 ? 'prev' : 'next']();
                        }
                });
        }
        if (!$.support.opacity) {
                wrap.addClass('fancybox-ie');
        }
        if (isIE6) {
                loading.addClass('fancybox-ie6');
                wrap.addClass('fancybox-ie6');
                $('<iframe id="fancybox-hide-sel-frame" src="' + (/^https/i.test(window.location.href || '') ? 'javascript:void(false)' : 'about:blank' ) + '" scrolling="no" border="0" frameborder="0" tabindex="-1"></iframe>').prependTo(outer);
        }
};
$.fn.fancybox.defaults = {
        padding : 10,
        margin : 40,
        opacity : false,
        modal : false,
        cyclic : false,
        scrolling : 'auto',     // 'auto', 'yes' or 'no'
        width : 560,
        height : 340,
        autoScale : true,
        autoDimensions : true,
        centerOnScroll : false,
        ajax : {},
        swf : { wmode: 'transparent' },
        hideOnOverlayClick : true,
        hideOnContentClick : false,
        overlayShow : true,
        overlayOpacity : 0.7,
        overlayColor : '#777',
        titleShow : true,
        titlePosition : 'float', // 'float', 'outside', 'inside' or 'over'
        titleFormat : null,
        titleFromAlt : false,
        transitionIn : 'fade', // 'elastic', 'fade' or 'none'
        transitionOut : 'fade', // 'elastic', 'fade' or 'none'
        speedIn : 300,
        speedOut : 300,
        changeSpeed : 300,
        changeFade : 'fast',
        easingIn : 'swing',
        easingOut : 'swing',
        showCloseButton  : true,
        showNavArrows : true,
        enableEscapeButton : true,
        enableKeyboardNav : true,
        onStart : function(){},
        onCancel : function(){},
        onComplete : function(){},
        onCleanup : function(){},
        onClosed : function(){},
        onError : function(){}
};
$(document).ready(function() {
        $.fancybox.init();
});

})(jQuery);