/*!
 * Galleria v 1.1.95 2010-08-06
 * http://galleria.aino.se
 *
 * Copyright (c) 2010, Aino
 * Licensed under the MIT license.
 */

(function() {

    var initializing = false,
    fnTest = /xyz/.test(function() { xyz; }) ? /\b__super\b/ : /.*/,
    Class = function() { },
    window = this;

    Class.extend = function(prop) {
        var __super = this.prototype;
        initializing = true;
        var proto = new this();
        initializing = false;
        for (var name in prop) {
            if (name) {
                proto[name] = typeof prop[name] == "function" &&
                typeof __super[name] == "function" && fnTest.test(prop[name]) ?
                (function(name, fn) {
                    return function() {
                        var tmp = this.__super;
                        this.__super = __super[name];
                        var ret = fn.apply(this, arguments);
                        this.__super = tmp;
                        return ret;
                    };
                })(name, prop[name]) : prop[name];
            }
        }

        function Class() {
            if (!initializing && this.__constructor) {
                this.__constructor.apply(this, arguments);
            }
        }
        Class.prototype = proto;
        Class.constructor = Class;
        Class.extend = arguments.callee;
        return Class;
    };

    var Base = Class.extend({
        loop: function(elem, fn) {
            var scope = this;
            if (typeof elem == 'number') {
                elem = new Array(elem);
            }
            jQuery.each(elem, function() {
                fn.call(scope, arguments[1], arguments[0]);
            });
            return elem;
        },
        create: function(elem, className) {
            elem = elem || 'div';
            var el = document.createElement(elem);
            if (className) {
                el.className = className;
            }
            return el;
        },
        getElements: function(selector) {
            var elems = {};
            this.loop(jQuery(selector), this.proxy(function(elem) {
                this.push(elem, elems);
            }));
            return elems;
        },
        setStyle: function(elem, css) {
            jQuery(elem).css(css);
            return this;
        },
        getStyle: function(elem, styleProp, parse) {
            var val = jQuery(elem).css(styleProp);
            return parse ? this.parseValue(val) : val;
        },
        cssText: function(string) {
            var style = document.createElement('style');
            this.getElements('head')[0].appendChild(style);
            if (style.styleSheet) { // IE
                style.styleSheet.cssText = string;
            } else {
                var cssText = document.createTextNode(string);
                style.appendChild(cssText);
            }
            return this;
        },
        touch: function(el) {
            var sibling = el.nextSibling;
            var parent = el.parentNode;
            parent.removeChild(el);
            if (sibling) {
                parent.insertBefore(el, sibling);
            } else {
                parent.appendChild(el);
            }
            if (el.styleSheet && el.styleSheet.imports.length) {
                this.loop(el.styleSheet.imports, function(i) {
                    el.styleSheet.addImport(i.href);
                });
            }
        },
        loadCSS: function(href, callback) {
            var exists = this.getElements('link[href="' + href + '"]').length;
            if (exists) {
                callback.call(null);
                return exists[0];
            }
            var link = this.create('link');
            link.rel = 'stylesheet';
            link.href = href;

            if (typeof callback == 'function') {
                // a new css check method, still experimental...
                this.wait(function() {
                    return !!document.body;
                }, function() {
                    var testElem = this.create('div', 'galleria-container galleria-stage');
                    this.moveOut(testElem);
                    document.body.appendChild(testElem);
                    var getStyles = this.proxy(function() {
                        var str = '';
                        var props;
                        if (document.defaultView && document.defaultView.getComputedStyle) {
                            props = document.defaultView.getComputedStyle(testElem, "");
                            this.loop(props, function(prop) {
                                str += prop + props.getPropertyValue(prop);
                            });
                        } else if (testElem.currentStyle) { // IE
                            props = testElem.currentStyle;
                            this.loop(props, function(val, prop) {
                                str += prop + val;
                            });
                        }
                        return str;
                    });
                    var current = getStyles();
                    this.wait(function() {
                        return getStyles() !== current;
                    }, function() {
                        document.body.removeChild(testElem);
                        callback.call(link);
                    }, function() {
                        G.raise('Could not confirm theme CSS');
                    }, 2000);
                });
            }
            window.setTimeout(this.proxy(function() {
                var styles = this.getElements('link[rel="stylesheet"],style');
                if (styles.length) {
                    styles[0].parentNode.insertBefore(link, styles[0]);
                } else {
                    this.getElements('head')[0].appendChild(link);
                }
                // IE needs a manual touch to re-order the cascade
                if (G.IE) {
                    this.loop(styles, function(el) {
                        this.touch(el);
                    })
                }
            }), 2);
            return link;
        },
        moveOut: function(elem) {
            return this.setStyle(elem, {
                position: 'absolute',
                left: '-10000px',
                display: 'block'
            });
        },
        moveIn: function(elem) {
            return this.setStyle(elem, {
                left: '0'
            });
        },
        reveal: function(elem) {
            return jQuery(elem).show();
        },
        hide: function(elem) {
            return jQuery(elem).hide();
        },
        mix: function() {
            return jQuery.extend.apply(jQuery, arguments);
        },
        proxy: function(fn, scope) {
            if (typeof fn !== 'function') {
                return function() { };
            }
            scope = scope || this;
            return function() {
                return fn.apply(scope, Array.prototype.slice.call(arguments));
            };
        },
        listen: function(elem, type, fn) {
            jQuery(elem).bind(type, fn);
        },
        forget: function(elem, type, fn) {
            jQuery(elem).unbind(type, fn);
        },
        dispatch: function(elem, type) {
            jQuery(elem).trigger(type);
        },
        clone: function(elem, keepEvents) {
            keepEvents = keepEvents || false;
            return jQuery(elem).clone(keepEvents)[0];
        },
        removeAttr: function(elem, attributes) {
            this.loop(attributes.split(' '), function(attr) {
                jQuery(elem).removeAttr(attr);
            });
        },
        push: function(elem, obj) {
            if (typeof obj.length == 'undefined') {
                obj.length = 0;
            }
            Array.prototype.push.call(obj, elem);
            return elem;
        },
        width: function(elem, outer) {
            return this.meassure(elem, outer, 'Width');
        },
        height: function(elem, outer) {
            return this.meassure(elem, outer, 'Height');
        },
        meassure: function(el, outer, meassure) {
            var elem = jQuery(el);
            var ret = outer ? elem['outer' + meassure](true) : elem[meassure.toLowerCase()]();
            // fix quirks mode
            if (G.QUIRK) {
                var which = meassure == "Width" ? ["left", "right"] : ["top", "bottom"];
                this.loop(which, function(s) {
                    ret += elem.css('border-' + s + '-width').replace(/[^\d]/g, '') * 1;
                    ret += elem.css('padding-' + s).replace(/[^\d]/g, '') * 1;
                });
            }
            return ret;
        },
        toggleClass: function(elem, className, arg) {
            if (typeof arg !== 'undefined') {
                var fn = arg ? 'addClass' : 'removeClass';
                jQuery(elem)[fn](className);
                return this;
            }
            jQuery(elem).toggleClass(className);
            return this;
        },
        hideAll: function(el) {
            jQuery(el).find('*').hide();
        },
        animate: function(el, options) {
            options.complete = this.proxy(options.complete);
            var elem = jQuery(el);
            if (!elem.length) {
                return;
            }
            if (options.from) {
                elem.css(from);
            }
            elem.animate(options.to, {
                duration: options.duration || 400,
                complete: options.complete,
                easing: options.easing || 'swing'
            });
        },
        wait: function(fn, callback, err, max) {
            fn = this.proxy(fn);
            callback = this.proxy(callback);
            err = this.proxy(err);
            var ts = new Date().getTime() + (max || 3000);
            window.setTimeout(function() {
                if (fn()) {
                    callback();
                    return false;
                }
                if (new Date().getTime() >= ts) {
                    err();
                    callback();
                    return false;
                }
                window.setTimeout(arguments.callee, 2);
            }, 2);
            return this;
        },
        loadScript: function(url, callback) {
            var script = document.createElement('script');
            script.src = url;
            script.async = true; // HTML5

            var done = false;
            var scope = this;

            // Attach handlers for all browsers
            script.onload = script.onreadystatechange = function() {
                if (!done && (!this.readyState ||
               this.readyState == "loaded" || this.readyState == "complete")) {
                    done = true;

                    if (typeof callback == 'function') {
                        callback.call(scope, this);
                    }

                    // Handle memory leak in IE
                    script.onload = script.onreadystatechange = null;
                }
            };
            var s = document.getElementsByTagName('script')[0];
            s.parentNode.insertBefore(script, s);

            return this;
        },
        parseValue: function(val) {
            if (typeof val == 'number') {
                return val;
            } else if (typeof val == 'string') {
                var arr = val.match(/\-?\d/g);
                return arr && arr.constructor == Array ? arr.join('') * 1 : 0;
            } else {
                return 0;
            }
        }
    });

    var Picture = Base.extend({
        __constructor: function(order) {
            this.image = null;
            this.elem = this.create('div', 'galleria-image');
            this.setStyle(this.elem, {
                overflow: 'hidden',
                position: 'relative' // for IE Standards mode
            });
            this.order = order;
            this.orig = { w: 0, h: 0, r: 1 };
        },

        cache: {},
        ready: false,

        add: function(src) {
            if (this.cache[src]) {
                return this.cache[src];
            }
            var image = new Image();
            image.src = src;
            this.setStyle(image, { display: 'block' });
            if (image.complete && image.width) {
                this.cache[src] = image;
                return image;
            }
            image.onload = (function(scope) {
                return function() {
                    scope.cache[src] = image;
                };
            })(this);
            return image;
        },

        isCached: function(src) {
            return this.cache[src] ? this.cache[src].complete : false;
        },

        make: function(src) {
            var i = this.cache[src] || this.add(src);
            return this.clone(i);
        },

        load: function(src, callback) {
            callback = this.proxy(callback);
            this.elem.innerHTML = '';
            this.image = this.make(src);
            this.moveOut(this.image);
            this.elem.appendChild(this.image);
            this.wait(function() {
                return (this.image.complete && this.image.width);
            }, function() {
                this.orig = {
                    h: this.h || this.image.height,
                    w: this.w || this.image.width
                };
                callback({ target: this.image, scope: this });
            }, function() {
                G.raise('image not loaded in 20 seconds: ' + src);
            }, 20000);
            return this;
        },

        scale: function(options) {
            var o = this.mix({
                width: 0,
                height: 0,
                min: undefined,
                max: undefined,
                margin: 0,
                complete: function() { },
                position: 'center',
                crop: false
            }, options);
            if (!this.image) {
                return this;
            }
            var width, height;
            this.wait(function() {
                width = o.width || this.width(this.elem);
                height = o.height || this.height(this.elem);
                return width && height;
            }, function() {
                var nw = (width - o.margin * 2) / this.orig.w;
                var nh = (height - o.margin * 2) / this.orig.h;
                var rmap = {
                    'true': Math.max(nw, nh),
                    'width': nw,
                    'height': nh,
                    'false': Math.min(nw, nh)
                }
                var ratio = rmap[o.crop.toString()];
                if (o.max) {
                    ratio = Math.min(o.max, ratio);
                }
                if (o.min) {
                    ratio = Math.max(o.min, ratio);
                }
                this.setStyle(this.elem, {
                    width: width,
                    height: height
                });
                this.image.width = Math.ceil(this.orig.w * ratio);
                this.image.height = Math.ceil(this.orig.h * ratio);

                var getPosition = this.proxy(function(value, img, m) {
                    var result = 0;
                    if (/\%/.test(value)) {
                        var pos = parseInt(value) / 100;
                        result = Math.ceil(this.image[img] * -1 * pos + m * pos);
                    } else {
                        result = parseInt(value);
                    }
                    return result;
                });

                var map = {
                    'top': { top: 0 },
                    'left': { left: 0 },
                    'right': { left: '100%' },
                    'bottom': { top: '100%' }
                }

                var pos = {};
                var mix = {};

                this.loop(o.position.toLowerCase().split(' '), function(p, i) {
                    if (p == 'center') {
                        p = '50%';
                    }
                    pos[i ? 'top' : 'left'] = p;
                });

                this.loop(pos, function(val, key) {
                    if (map.hasOwnProperty(val)) {
                        mix = this.mix(mix, map[val]);
                    }
                });

                pos = pos.top ? this.mix(pos, mix) : mix;

                pos = this.mix({
                    top: '50%',
                    left: '50%'
                }, pos);

                this.setStyle(this.image, {
                    position: 'relative',
                    top: getPosition(pos.top, 'height', height),
                    left: getPosition(pos.left, 'width', width)
                });
                this.ready = true;
                o.complete.call(this);
            });
            return this;
        }
    });

    var G = window.Galleria = Base.extend({

        __constructor: function(options) {
            this.theme = undefined;
            this.options = options;
            this.playing = false;
            this.playtime = 5000;
            this.active = null;
            this.queue = {};
            this.data = {};
            this.dom = {};

            var kb = this.keyboard = {
                keys: {
                    UP: 38,
                    DOWN: 40,
                    LEFT: 37,
                    RIGHT: 39,
                    RETURN: 13,
                    ESCAPE: 27,
                    BACKSPACE: 8
                },
                map: {},
                bound: false,
                press: this.proxy(function(e) {
                    var key = e.keyCode || e.which;
                    if (kb.map[key] && typeof kb.map[key] == 'function') {
                        kb.map[key].call(this, e);
                    }
                }),
                attach: this.proxy(function(map) {
                    for (var i in map) {
                        var k = i.toUpperCase();
                        if (kb.keys[k]) {
                            kb.map[kb.keys[k]] = map[i];
                        }
                    }
                    if (!kb.bound) {
                        kb.bound = true;
                        this.listen(document, 'keydown', kb.press);
                    }
                }),
                detach: this.proxy(function() {
                    kb.bound = false;
                    this.forget(document, 'keydown', kb.press);
                })
            };

            this.timeouts = {
                trunk: {},
                add: function(id, fn, delay, loop) {
                    loop = loop || false;
                    this.clear(id);
                    if (loop) {
                        var self = this;
                        var old = fn;
                        fn = function() {
                            old();
                            self.add(id, fn, delay);
                        }
                    }
                    this.trunk[id] = window.setTimeout(fn, delay);
                },
                clear: function(id) {
                    if (id && this.trunk[id]) {
                        window.clearTimeout(this.trunk[id]);
                        delete this.trunk[id];
                    } else if (typeof id == 'undefined') {
                        for (var i in this.trunk) {
                            window.clearTimeout(this.trunk[i]);
                            delete this.trunk[i];
                        }
                    }
                }
            };

            this.controls = {
                0: null,
                1: null,
                active: 0,
                swap: function() {
                    this.active = this.active ? 0 : 1;
                },
                getActive: function() {
                    return this[this.active];
                },
                getNext: function() {
                    return this[Math.abs(this.active - 1)];
                }
            };

            var fs = this.fullscreen = {
                scrolled: 0,
                enter: this.proxy(function() {
                    this.toggleClass(this.get('container'), 'fullscreen');
                    fs.scrolled = jQuery(window).scrollTop();
                    this.loop(fs.getElements(), function(el, i) {
                        fs.styles[i] = el.getAttribute('style');
                        el.removeAttribute('style');
                    });
                    this.setStyle(fs.getElements(0), {
                        position: 'fixed',
                        top: 0,
                        left: 0,
                        width: '100%',
                        height: '100%',
                        zIndex: 10000
                    });
                    var bh = {
                        height: '100%',
                        overflow: 'hidden',
                        margin: 0,
                        padding: 0
                    };
                    this.setStyle(fs.getElements(1), bh);
                    this.setStyle(fs.getElements(2), bh);
                    this.attachKeyboard({
                        escape: this.exitFullscreen,
                        right: this.next,
                        left: this.prev
                    });
                    this.rescale(this.proxy(function() {
                        this.trigger(G.FULLSCREEN_ENTER);
                    }));
                    this.listen(window, 'resize', fs.scale);
                }),
                scale: this.proxy(function() {
                    this.rescale();
                }),
                exit: this.proxy(function() {
                    this.toggleClass(this.get('container'), 'fullscreen', false);
                    if (!fs.styles.length) {
                        return;
                    }
                    this.loop(fs.getElements(), function(el, i) {
                        el.removeAttribute('style');
                        el.setAttribute('style', fs.styles[i]);
                    });
                    window.scrollTo(0, fs.scrolled);
                    this.detachKeyboard();
                    this.rescale(this.proxy(function() {
                        this.trigger(G.FULLSCREEN_EXIT);
                    }));
                    this.forget(window, 'resize', fs.scale);
                }),
                styles: [],
                getElements: this.proxy(function(i) {
                    var elems = [this.get('container'), document.body, this.getElements('html')[0]];
                    return i ? elems[i] : elems;
                })
            };

            var idle = this.idle = {
                trunk: [],
                bound: false,
                add: this.proxy(function(elem, styles, fn) {
                    if (!elem) {
                        return;
                    }
                    if (!idle.bound) {
                        idle.addEvent();
                    }
                    elem = jQuery(elem);
                    var orig = {};
                    for (var style in styles) {
                        orig[style] = elem.css(style);
                    }
                    elem.data('idle', {
                        from: orig,
                        to: styles,
                        complete: true,
                        busy: false,
                        fn: this.proxy(fn)
                    });
                    idle.addTimer();
                    idle.trunk.push(elem);
                }),
                remove: this.proxy(function(elem) {
                    elem = jQuery(elem);
                    this.loop(idle.trunk, function(el, i) {
                        if (el && !el.not(elem).length) {
                            idle.show(elem);
                            idle.trunk.splice(i, 1);
                        }
                    });
                    if (!idle.trunk.length) {
                        idle.removeEvent();
                        this.clearTimer('idle');
                    }
                }),
                addEvent: this.proxy(function() {
                    idle.bound = true;
                    this.listen(this.get('container'), 'mousemove click', idle.showAll);
                }),
                removeEvent: this.proxy(function() {
                    idle.bound = false;
                    this.forget(this.get('container'), 'mousemove click', idle.showAll);
                }),
                addTimer: this.proxy(function() {
                    this.addTimer('idle', this.proxy(function() {
                        idle.hide();
                    }), this.options.idle_time);
                }),
                hide: this.proxy(function() {
                    this.trigger(G.IDLE_ENTER);
                    this.loop(idle.trunk, function(elem) {
                        var data = elem.data('idle');
                        data.complete = false;
                        data.fn();
                        elem.animate(data.to, {
                            duration: 600,
                            queue: false,
                            easing: 'swing'
                        });
                    });
                }),
                showAll: this.proxy(function() {
                    this.clearTimer('idle');
                    this.loop(idle.trunk, function(elem) {
                        idle.show(elem);
                    });
                }),
                show: this.proxy(function(elem) {
                    var data = elem.data('idle');
                    if (!data.busy && !data.complete) {
                        data.busy = true;
                        this.trigger(G.IDLE_EXIT);
                        elem.animate(data.from, {
                            duration: 300,
                            queue: false,
                            easing: 'swing',
                            complete: function() {
                                $(this).data('idle').busy = false;
                                $(this).data('idle').complete = true;
                            }
                        });
                    }
                    idle.addTimer();
                })
            };

            var lightbox = this.lightbox = {
                w: 0,
                h: 0,
                initialized: false,
                active: null,
                init: this.proxy(function() {
                    if (lightbox.initialized) {
                        return;
                    }
                    lightbox.initialized = true;
                    var elems = 'lightbox-overlay lightbox-box lightbox-content lightbox-shadow lightbox-title ' +
                            'lightbox-info lightbox-close lightbox-prev lightbox-next lightbox-counter';
                    this.loop(elems.split(' '), function(el) {
                        this.addElement(el);
                        lightbox[el.split('-')[1]] = this.get(el);
                    });

                    lightbox.image = new Galleria.Picture();

                    this.append({
                        'lightbox-box': ['lightbox-shadow', 'lightbox-content', 'lightbox-close'],
                        'lightbox-info': ['lightbox-title', 'lightbox-counter', 'lightbox-next', 'lightbox-prev'],
                        'lightbox-content': ['lightbox-info']
                    });
                    document.body.appendChild(lightbox.overlay);
                    document.body.appendChild(lightbox.box);
                    lightbox.content.appendChild(lightbox.image.elem);

                    lightbox.close.innerHTML = '×';
                    lightbox.prev.innerHTML = '◄';
                    lightbox.next.innerHTML = '►';

                    this.listen(lightbox.close, 'click', lightbox.hide);
                    this.listen(lightbox.overlay, 'click', lightbox.hide);
                    this.listen(lightbox.next, 'click', lightbox.showNext);
                    this.listen(lightbox.prev, 'click', lightbox.showPrev);

                    if (this.options.lightbox_clicknext) {
                        this.setStyle(lightbox.image.elem, { cursor: 'pointer' });
                        this.listen(lightbox.image.elem, 'click', lightbox.showNext);
                    }
                    this.setStyle(lightbox.overlay, {
                        position: 'fixed', display: 'none',
                        opacity: this.options.overlay_opacity,
                        top: 0, left: 0, width: '100%', height: '100%',
                        background: this.options.overlay_background, zIndex: 99990
                    });
                    this.setStyle(lightbox.box, {
                        position: 'fixed', display: 'none',
                        width: 400, height: 400, top: '50%', left: '50%',
                        marginTop: -200, marginLeft: -200, zIndex: 99991
                    });
                    this.setStyle(lightbox.shadow, {
                        background: '#000', opacity: .4, width: '100%', height: '100%', position: 'absolute'
                    });
                    this.setStyle(lightbox.content, {
                        backgroundColor: '#fff', position: 'absolute',
                        top: 10, left: 10, right: 10, bottom: 10, overflow: 'hidden'
                    });
                    this.setStyle(lightbox.info, {
                        color: '#444', fontSize: '11px', fontFamily: 'arial,sans-serif', height: 13, lineHeight: '13px',
                        position: 'absolute', bottom: 10, left: 10, right: 10, opacity: 0
                    });
                    this.setStyle(lightbox.close, {
                        background: '#fff', height: 20, width: 20, position: 'absolute', textAlign: 'center', cursor: 'pointer',
                        top: 10, right: 10, lineHeight: '22px', fontSize: '16px', fontFamily: 'arial,sans-serif', color: '#444', zIndex: 99999
                    });
                    this.setStyle(lightbox.image.elem, {
                        top: 10, left: 10, right: 10, bottom: 30, position: 'absolute'
                    });
                    this.loop('title prev next counter'.split(' '), function(el) {
                        var css = { display: 'inline', 'float': 'left' };
                        if (el != 'title') {
                            this.mix(css, { 'float': 'right' });
                            if (el != 'counter') {
                                this.mix(css, { cursor: 'pointer' });
                            } else {
                                this.mix(css, { marginLeft: 8 });
                            }
                        }
                        this.setStyle(lightbox[el], css);
                    });
                    this.loop('prev next close'.split(' '), function(el) {
                        this.listen(lightbox[el], 'mouseover', this.proxy(function() {
                            this.setStyle(lightbox[el], { color: '#000' });
                        }));
                        this.listen(lightbox[el], 'mouseout', this.proxy(function() {
                            this.setStyle(lightbox[el], { color: '#444' });
                        }));
                    });
                    this.trigger(G.LIGHTBOX_OPEN);
                }),
                rescale: this.proxy(function(e) {
                    var w = Math.min(this.width(window), lightbox.w);
                    var h = Math.min(this.height(window), lightbox.h);
                    var r = Math.min((w - 60) / lightbox.w, (h - 80) / lightbox.h);
                    var destW = (lightbox.w * r) + 40;
                    var destH = (lightbox.h * r) + 60;
                    var dest = {
                        width: destW,
                        height: destH,
                        marginTop: Math.ceil(destH / 2) * -1,
                        marginLeft: Math.ceil(destW) / 2 * -1
                    }
                    if (!e) {
                        this.animate(lightbox.box, {
                            to: dest,
                            duration: this.options.lightbox_transition_speed,
                            easing: 'galleria',
                            complete: function() {
                                this.trigger({
                                    type: G.LIGHTBOX_IMAGE,
                                    imageTarget: lightbox.image.image
                                });
                                this.moveIn(lightbox.image.image);
                                this.animate(lightbox.image.image, { to: { opacity: 1 }, duration: this.options.lightbox_fade_speed });
                                this.animate(lightbox.info, { to: { opacity: 1 }, duration: this.options.lightbox_fade_speed });
                            }
                        });
                    } else {
                        this.setStyle(lightbox.box, dest);
                    }
                }),
                hide: this.proxy(function() {
                    lightbox.image.image = null;
                    this.forget(window, 'resize', lightbox.rescale);
                    this.hide(lightbox.box);
                    this.setStyle(lightbox.info, { opacity: 0 });
                    this.animate(lightbox.overlay, {
                        to: { opacity: 0 },
                        duration: 200,
                        complete: function() {
                            this.hide(lightbox.overlay);
                            this.setStyle(lightbox.overlay, { opacity: this.options.overlay_opacity });
                            this.trigger(G.LIGHTBOX_CLOSE);
                        }
                    });
                }),
                showNext: this.proxy(function() {
                    lightbox.show(this.getNext(lightbox.active));
                }),
                showPrev: this.proxy(function() {
                    lightbox.show(this.getPrev(lightbox.active));
                }),
                show: this.proxy(function(index) {
                    if (!lightbox.initialized) {
                        lightbox.init();
                    }
                    this.forget(window, 'resize', lightbox.rescale);
                    index = typeof index == 'number' ? index : this.getIndex();
                    lightbox.active = index;

                    var data = this.getData(index);
                    var total = this.data.length;
                    this.setStyle(lightbox.info, { opacity: 0 });

                    lightbox.image.load(data.image, function(o) {
                        lightbox.w = o.scope.orig.w;
                        lightbox.h = o.scope.orig.h;
                        this.setStyle(o.target, {
                            width: '100.5%',
                            height: '100.5%',
                            top: 0,
                            zIndex: 99998,
                            opacity: 0
                        });
                        lightbox.title.innerHTML = data.title;
                        lightbox.counter.innerHTML = (index + 1) + ' / ' + total;
                        this.listen(window, 'resize', lightbox.rescale);
                        lightbox.rescale();
                    });
                    this.reveal(lightbox.overlay);
                    this.reveal(lightbox.box);
                })
            };

            this.thumbnails = { width: 0 };
            this.stageWidth = 0;
            this.stageHeight = 0;

            var elems = 'container stage images image-nav image-nav-left image-nav-right ' +
                    'info info-text info-title info-description info-author ' +
                    'thumbnails thumbnails-list thumbnails-container thumb-nav-left thumb-nav-right ' +
                    'loader counter';
            elems = elems.split(' ');

            this.loop(elems, function(blueprint) {
                this.dom[blueprint] = this.create('div', 'galleria-' + blueprint);
            });

            this.target = this.dom.target = options.target.nodeName ?
            options.target : this.getElements(options.target)[0];

            if (!this.target) {
                G.raise('Target not found.');
            }
        },

        init: function() {

            this.options = this.mix(G.theme.defaults, this.options);
            this.options = this.mix({
                autoplay: false,
                carousel: true,
                carousel_follow: true,
                carousel_speed: 400,
                carousel_steps: 'auto',
                clicknext: false,
                data_config: function(elem) { return {}; },
                data_image_selector: 'img',
                data_source: this.target,
                data_type: 'auto',
                debug: false,
                extend: function(options) { },
                height: 'auto',
                idle_time: 3000,
                image_crop: false,
                image_margin: 0,
                image_pan: false,
                image_pan_smoothness: 12,
                image_position: '50%',
                keep_source: false,
                lightbox_clicknext: true,
                lightbox_fade_speed: 200,
                lightbox_transition_speed: 300,
                link_source_images: true,
                max_scale_ratio: undefined,
                min_scale_ratio: undefined,
                on_image: function(img, thumb) { },
                overlay_opacity: .85,
                overlay_background: '#0b0b0b',
                popup_links: false,
                preload: 2,
                queue: true,
                show: 0,
                show_info: true,
                show_counter: true,
                show_imagenav: true,
                thumb_crop: true,
                thumb_fit: true,
                thumb_margin: 0,
                thumb_quality: 'auto',
                thumbnails: true,
                thumbnails_from_alt: false,
                thumbnails_from_t: false,
                transition: G.transitions.fade,
                transition_speed: 400
            }, this.options);

            var o = this.options;

            this.bind(G.DATA, function() {
                this.run();
            });

            if (o.clicknext) {
                this.loop(this.data, function(data) {
                    delete data.link;
                });
                this.setStyle(this.get('stage'), { cursor: 'pointer' });
                this.listen(this.get('stage'), 'click', this.proxy(function() {
                    this.next();
                }));
            }

            this.bind(G.IMAGE, function(e) {
                o.on_image.call(this, e.imageTarget, e.thumbTarget);
            });

            this.bind(G.READY, function() {
                if (G.History) {
                    G.History.change(this.proxy(function(e) {
                        var val = parseInt(e.value.replace(/\//, ''));
                        if (isNaN(val)) {
                            window.history.go(-1);
                        } else {
                            this.show(val, undefined, true);
                        }
                    }));
                }

                G.theme.init.call(this, o);
                o.extend.call(this, o);

                if (/^[0-9]{1,4}$/.test(hash) && G.History) {
                    this.show(hash, undefined, true);
                } else if (typeof o.show == 'number') {
                    this.show(o.show);
                }

                if (o.autoplay) {
                    if (typeof o.autoplay == 'number') {
                        this.playtime = o.autoplay;
                    }
                    this.trigger(G.PLAY);
                    this.playing = true;
                }
            });
            this.load();
            return this;
        },

        bind: function(type, fn) {
            this.listen(this.get('container'), type, this.proxy(fn));
            return this;
        },

        unbind: function(type) {
            this.forget(this.get('container'), type);
        },

        trigger: function(type) {
            type = typeof type == 'object' ?
            this.mix(type, { scope: this }) :
            { type: type, scope: this };
            this.dispatch(this.get('container'), type);
            return this;
        },

        addIdleState: function() {
            this.idle.add.apply(this, arguments);
            return this;
        },

        removeIdleState: function() {
            this.idle.remove.apply(this, arguments);
            return this;
        },

        enterIdleMode: function() {
            this.idle.hide();
            return this;
        },

        exitIdleMode: function() {
            this.idle.show();
            return this;
        },

        addTimer: function() {
            this.timeouts.add.apply(this.timeouts, arguments);
            return this;
        },

        clearTimer: function() {
            this.timeouts.clear.apply(this.timeouts, arguments);
            return this;
        },

        enterFullscreen: function() {
            this.fullscreen.enter.apply(this, arguments);
            return this;
        },

        exitFullscreen: function() {
            this.fullscreen.exit.apply(this, arguments);
            return this;
        },

        openLightbox: function() {
            this.lightbox.show.apply(this, arguments);
        },

        closeLightbox: function() {
            this.lightbox.hide.apply(this, arguments);
        },

        getActive: function() {
            return this.controls.getActive();
        },

        getActiveImage: function() {
            return this.getActive().image || null;
        },

        run: function() {
            var o = this.options;
            if (!this.data.length) {
                G.raise('Data is empty.');
            }
            if (!o.keep_source && !Galleria.IE) {
                this.target.innerHTML = '';
            }
            this.loop(2, function() {
                var image = new Picture();
                this.setStyle(image.elem, {
                    position: 'absolute',
                    top: 0,
                    left: 0
                });
                this.setStyle(this.get('images'), {
                    position: 'relative',
                    top: 0,
                    left: 0,
                    width: '100%',
                    height: '100%'
                });
                this.get('images').appendChild(image.elem);
                this.push(image, this.controls);
            }, this);

            if (o.carousel) {
                // try the carousel on each thumb load
                this.bind(G.THUMBNAIL, this.parseCarousel);
            }

            this.build();
            this.target.appendChild(this.get('container'));

            this.loop(['info', 'counter', 'image-nav'], function(el) {
                if (o['show_' + el.replace(/-/, '')] === false) {
                    this.moveOut(this.get(el));
                }
            });

            var w = 0;
            var h = 0;

            for (var i = 0; this.data[i]; i++) {
                var thumb;
                if (o.thumbnails === true) {
                    thumb = new Picture(i);
                    var src;
                    if (o.thumbnails_from_alt === true) {
                        src = this.data[i].description || this.data[i].thumb || this.data[i].image;
                    }
                    else {
                        if (o.thumbnails_from_t == true) {
                            var img = this.data[i].thumb || this.data[i].image;
                            //alert(img);
                            //img.replace("undefined", "");
                            //alert(img);
                            var array = img.split(".");
                            var aLength = array.length - 1;
                            var thumbString = "";

                            var ctr = 0;


                            while (ctr < aLength) {
                                //alert(ctr);
                                if (ctr != aLength - 1) {
                                    thumbString = thumbString + array[ctr] + ".";
                                }
                                else {
                                    thumbString = thumbString + array[ctr];
                                }
                                ctr++;
                            }
                            //alert(thumbString);
                            thumbString = thumbString + "_t." + array[ctr];
                            src = thumbString;
                            //alert(src);
                        }
                        else {
                            src = this.data[i].thumb || this.data[i].image;
                        }
                    }

                    this.get('thumbnails').appendChild(thumb.elem);

                    w = this.getStyle(thumb.elem, 'width', true);
                    h = this.getStyle(thumb.elem, 'height', true);

                    // grab & reset size for smoother thumbnail loads
                    if (o.thumb_fit && o.thum_crop !== true) {
                        this.setStyle(thumb.elem, { width: 0, height: 0 });
                    }

                    thumb.load(src, this.proxy(function(e) {
                        var orig = e.target.width;
                        e.scope.scale({
                            width: w,
                            height: h,
                            crop: o.thumb_crop,
                            margin: o.thumb_margin,
                            complete: this.proxy(function() {
                                // shrink thumbnails to fit
                                var top = ['left', 'top'];
                                var arr = ['Height', 'Width'];
                                this.loop(arr, function(m, i) {
                                    if ((!o.thumb_crop || o.thumb_crop == m.toLowerCase()) && o.thumb_fit) {
                                        var css = {};
                                        var opp = arr[Math.abs(i - 1)].toLowerCase();
                                        css[opp] = e.target[opp];
                                        this.setStyle(e.target.parentNode, css);
                                        var css = {};
                                        css[top[i]] = 0;
                                        this.setStyle(e.target, css);
                                    }
                                    e.scope['outer' + m] = this[m.toLowerCase()](e.target.parentNode, true);
                                });
                                // set high quality if downscale is moderate
                                this.toggleQuality(e.target, o.thumb_quality === true || (o.thumb_quality == 'auto' && orig < e.target.width * 3));
                                this.trigger({
                                    type: G.THUMBNAIL,
                                    thumbTarget: e.target,
                                    thumbOrder: e.scope.order
                                });
                            })
                        });
                    }));
                    if (o.preload == 'all') {
                        thumb.add(this.data[i].image);
                    }
                } else if (o.thumbnails == 'empty') {
                    thumb = {
                        elem: this.create('div', 'galleria-image'),
                        image: this.create('span', 'img')
                    };
                    thumb.elem.appendChild(thumb.image);
                    this.get('thumbnails').appendChild(thumb.elem);
                } else {
                    thumb = {
                        elem: false,
                        image: false
                    }
                }
                var activate = this.proxy(function(e) {
                    this.pause();
                    e.preventDefault();
                    var ind = e.currentTarget.rel;
                    if (this.active !== ind) {
                        this.show(ind);
                    }
                });
                if (o.thumbnails !== false) {
                    thumb.elem.rel = i;
                    this.listen(thumb.elem, 'click', activate);
                }
                if (o.link_source_images && o.keep_source && this.data[i].elem) {
                    this.data[i].elem.rel = i;
                    this.listen(this.data[i].elem, 'click', activate);
                }
                this.push(thumb, this.thumbnails);
            }
            this.setStyle(this.get('thumbnails'), { opacity: 0 });

            if (o.height && o.height != 'auto') {
                this.setStyle(this.get('container'), { height: o.height })
            }

            this.wait(function() {
                // the most sensitive piece of code in Galleria, we need to have all the meassurements right to continue
                var cssHeight = this.getStyle(this.get('container'), 'height', true);
                this.stageWidth = this.width(this.get('stage'));
                this.stageHeight = this.height(this.get('stage'));
                if (this.stageHeight < 50 && o.height == 'auto') {
                    // no height detected for sure, set reasonable ratio (16/9)
                    this.setStyle(this.get('container'), {
                        height: Math.round(this.stageWidth * 9 / 16)
                    });
                    this.stageHeight = this.height(this.get('stage'));
                }
                return this.stageHeight && this.stageWidth;
            }, function() {
                this.listen(this.get('image-nav-right'), 'click', this.proxy(function(e) {
                    if (o.clicknext) {
                        e.stopPropagation();
                    }
                    this.pause();
                    this.next();
                }));
                this.listen(this.get('image-nav-left'), 'click', this.proxy(function(e) {
                    if (o.clicknext) {
                        e.stopPropagation();
                    }
                    this.pause();
                    this.prev();
                }));
                this.setStyle(this.get('thumbnails'), { opacity: 1 });
                this.trigger(G.READY);
            }, function() {
                G.raise('Galleria could not load properly. Make sure stage has a height and width.');
            }, 5000);
        },

        mousePosition: function(e) {
            return {
                x: e.pageX - this.$('stage').offset().left + jQuery(document).scrollLeft(),
                y: e.pageY - this.$('stage').offset().top + jQuery(document).scrollTop()
            };
        },

        addPan: function(img) {
            var c = this.options.image_crop;
            if (c === false) {
                return;
            }
            if (this.options.image_crop === false) {
                return;
            }
            img = img || this.controls.getActive().image;
            if (img.tagName.toUpperCase() != 'IMG') {
                G.raise('Could not add pan');
            }

            var x = img.width / 2;
            var y = img.height / 2;
            var curX = destX = this.getStyle(img, 'left', true) || 0;
            var curY = destY = this.getStyle(img, 'top', true) || 0;
            var distX = 0;
            var distY = 0;
            var active = false;
            var ts = new Date().getTime();
            var calc = this.proxy(function(e) {
                if (new Date().getTime() - ts < 50) {
                    return;
                }
                active = true;
                x = this.mousePosition(e).x;
                y = this.mousePosition(e).y;
            });
            var loop = this.proxy(function(e) {
                if (!active) {
                    return;
                }
                distX = img.width - this.stageWidth;
                distY = img.height - this.stageHeight;
                destX = x / this.stageWidth * distX * -1;
                destY = y / this.stageHeight * distY * -1;
                curX += (destX - curX) / this.options.image_pan_smoothness;
                curY += (destY - curY) / this.options.image_pan_smoothness;
                if (distY > 0) {
                    this.setStyle(img, { top: Math.max(distY * -1, Math.min(0, curY)) });
                }
                if (distX > 0) {
                    this.setStyle(img, { left: Math.max(distX * -1, Math.min(0, curX)) });
                }
            });
            this.forget(this.get('stage'), 'mousemove');
            this.listen(this.get('stage'), 'mousemove', calc);
            this.addTimer('pan', loop, 30, true);
        },

        removePan: function() {
            this.forget(this.get('stage'), 'mousemove');
            this.clearTimer('pan');
        },

        parseCarousel: function(e) {
            var w = 0;
            var h = 0;
            var hooks = [0];
            this.loop(this.thumbnails, function(thumb, i) {
                if (thumb.ready) {
                    w += thumb.outerWidth || this.width(thumb.elem, true);
                    hooks[i + 1] = w;
                    h = Math.max(h, this.height(thumb.elem));
                }
            });
            this.toggleClass(this.get('thumbnails-container'), 'galleria-carousel', w > this.stageWidth);
            this.setStyle(this.get('thumbnails-list'), {
                overflow: 'hidden',
                position: 'relative' // for IE Standards mode
            });
            this.setStyle(this.get('thumbnails'), {
                width: w,
                height: h,
                position: 'relative',
                overflow: 'hidden'
            });
            if (!this.carousel) {
                this.initCarousel();
            }
            this.carousel.max = w;
            this.carousel.hooks = hooks;
            this.carousel.width = this.width(this.get('thumbnails-list'));
            this.carousel.setClasses();
        },

        initCarousel: function() {
            var c = this.carousel = {
                right: this.get('thumb-nav-right'),
                left: this.get('thumb-nav-left'),
                update: this.proxy(function() {
                    this.parseCarousel();
                    // todo: fix so the carousel moves to the left
                }),
                width: 0,
                current: 0,
                set: function(i) {
                    i = Math.max(i, 0);
                    while (c.hooks[i - 1] + c.width > c.max && i >= 0) {
                        i--;
                    }
                    c.current = i;
                    c.animate();
                },
                hooks: [],
                getLast: function(i) {
                    i = i || c.current

                    return i - 1;
                },
                follow: function(i) {
                    if (i == 0 || i == c.hooks.length - 2) {
                        c.set(i);
                        return;
                    }
                    var last = c.current;
                    while (c.hooks[last] - c.hooks[c.current] < c.width && last <= c.hooks.length) {
                        last++;
                    }
                    if (i - 1 < c.current) {
                        c.set(i - 1)
                    } else if (i + 2 > last) {
                        c.set(i - last + c.current + 2)
                    }
                },
                max: 0,
                setClasses: this.proxy(function() {
                    this.toggleClass(c.left, 'disabled', !c.current);
                    this.toggleClass(c.right, 'disabled', c.hooks[c.current] + c.width > c.max);
                }),
                animate: this.proxy(function(to) {
                    c.setClasses();
                    this.animate(this.get('thumbnails'), {
                        to: { left: c.hooks[c.current] * -1 },
                        duration: this.options.carousel_speed,
                        easing: 'galleria',
                        queue: false
                    });
                })
            };
            this.listen(c.right, 'click', this.proxy(function(e) {
                if (this.options.carousel_steps == 'auto') {
                    for (var i = c.current; i < c.hooks.length; i++) {
                        if (c.hooks[i] - c.hooks[c.current] > c.width) {
                            c.set(i - 2);
                            break;
                        }
                    }
                } else {
                    c.set(c.current + this.options.carousel_steps);
                }
            }));
            this.listen(c.left, 'click', this.proxy(function(e) {
                if (this.options.carousel_steps == 'auto') {
                    for (var i = c.current; i >= 0; i--) {
                        if (c.hooks[c.current] - c.hooks[i] > c.width) {
                            c.set(i + 2);
                            break;
                        } else if (i == 0) {
                            c.set(0);
                            break;
                        }
                    }
                } else {
                    c.set(c.current - this.options.carousel_steps);
                }
            }));
        },
        addElement: function() {
            this.loop(arguments, function(b) {
                this.dom[b] = this.create('div', 'galleria-' + b);
            });
            return this;
        },
        getDimensions: function(i) {
            return {
                w: i.width,
                h: i.height,
                cw: this.stageWidth,
                ch: this.stageHeight,
                top: (this.stageHeight - i.height) / 2,
                left: (this.stageWidth - i.width) / 2
            };
        },
        attachKeyboard: function(map) {
            this.keyboard.attach(map);
            return this;
        },
        detachKeyboard: function() {
            this.keyboard.detach();
            return this;
        },
        build: function() {
            this.append({
                'info-text':
                ['info-title', 'info-description', 'info-author'],
                'info':
                ['info-text'],
                'image-nav':
                ['image-nav-right', 'image-nav-left'],
                'stage':
                ['images', 'loader', 'counter', 'image-nav'],
                'thumbnails-list':
                ['thumbnails'],
                'thumbnails-container':
                ['thumb-nav-left', 'thumbnails-list', 'thumb-nav-right'],
                'container':
                ['stage', 'thumbnails-container', 'info']
            });

            this.current = this.create('span', 'current');
            this.current.innerHTML = '-';
            this.get('counter').innerHTML = ' / <span class="total">' + this.data.length + '</span>';
            this.prependChild('counter', this.current);
        },

        appendChild: function(parent, child) {
            try {
                this.get(parent).appendChild(this.get(child));
            } catch (e) { }
        },

        prependChild: function(parent, child) {
            var child = this.get(child) || child;
            try {
                this.get(parent).insertBefore(child, this.get(parent).firstChild);
            } catch (e) { }
        },

        remove: function() {
            var a = Array.prototype.slice.call(arguments);
            this.jQuery(a.join(',')).remove();
        },

        append: function(data) {
            for (var i in data) {
                if (data[i].constructor == Array) {
                    for (var j = 0; data[i][j]; j++) {
                        this.appendChild(i, data[i][j]);
                    }
                } else {
                    this.appendChild(i, data[i]);
                }
            }
            return this;
        },

        rescale: function(width, height, callback) {

            var o = this.options;
            callback = this.proxy(callback);

            if (typeof width == 'function') {
                callback = this.proxy(width);
                width = undefined;
            }

            var scale = this.proxy(function() {
                this.stageWidth = width || this.width(this.get('stage'));
                this.stageHeight = height || this.height(this.get('stage'));
                this.controls.getActive().scale({
                    width: this.stageWidth,
                    height: this.stageHeight,
                    crop: o.image_crop,
                    max: o.max_scale_ratio,
                    min: o.min_scale_ratio,
                    margin: o.image_margin,
                    position: o.image_position
                });
                if (this.carousel) {
                    this.carousel.update();
                }
                this.trigger(G.RESCALE)
                callback();
            });
            if (G.WEBKIT && !width && !height) {
                this.addTimer('scale', scale, 5); // webkit is too fast
            } else {
                scale.call(this);
            }
        },

        show: function(index, rewind, history) {
            if (!this.options.queue && this.queue.stalled) {
                return;
            }
            rewind = typeof rewind != 'undefined' ? !!rewind : index < this.active;
            history = history || false;
            index = Math.max(0, Math.min(parseInt(index), this.data.length - 1));
            if (!history && G.History) {
                G.History.value(index.toString());
                return;
            }
            this.active = index;
            this.push([index, rewind], this.queue);
            if (!this.queue.stalled) {
                this.showImage();
            }
            return this;
        },

        showImage: function() {
            var o = this.options;
            var args = this.queue[0];
            var index = args[0];
            var rewind = !!args[1];
            if (o.carousel && this.carousel && o.carousel_follow) {
                this.carousel.follow(index);
            }

            var src = this.getData(index).image;
            var active = this.controls.getActive();
            var next = this.controls.getNext();
            var cached = next.isCached(src);
            var complete = this.proxy(function() {
                this.queue.stalled = false;
                this.toggleQuality(next.image, o.image_quality);
                this.setStyle(active.elem, { zIndex: 0 });
                this.setStyle(next.elem, { zIndex: 1 });
                this.trigger({
                    type: G.IMAGE,
                    index: index,
                    imageTarget: next.image,
                    thumbTarget: this.thumbnails[index].image
                });
                if (o.image_pan) {
                    this.addPan(next.image);
                }
                this.controls.swap();
                this.moveOut(active.image);
                if (this.getData(index).link) {
                    this.setStyle(next.image, { cursor: 'pointer' });
                    this.listen(next.image, 'click', this.proxy(function() {
                        if (o.popup_links) {
                            var win = window.open(this.getData(index).link, '_blank');
                        } else {
                            window.location.href = this.getData(index).link;
                        }
                    }));
                }
                Array.prototype.shift.call(this.queue);
                if (this.queue.length) {
                    this.showImage();
                }
                this.playCheck();
            });
            if (typeof o.preload == 'number' && o.preload > 0) {
                var p, n = this.getNext();
                try {
                    for (var i = o.preload; i > 0; i--) {
                        p = new Picture();
                        p.add(this.getData(n).image);
                        n = this.getNext(n);
                    }
                } catch (e) { }
            }
            this.trigger({
                type: G.LOADSTART,
                cached: cached,
                index: index,
                imageTarget: next.image,
                thumbTarget: this.thumbnails[index].image
            });

            jQuery(this.thumbnails[index].elem).addClass('active').siblings('.active').removeClass('active');

            next.load(src, this.proxy(function(e) {
                next.scale({
                    width: this.stageWidth,
                    height: this.stageHeight,
                    crop: o.image_crop,
                    max: o.max_scale_ratio,
                    min: o.min_scale_ratio,
                    margin: o.image_margin,
                    position: o.image_position,
                    complete: this.proxy(function() {
                        if (active.image) {
                            this.toggleQuality(active.image, false);
                        }
                        this.toggleQuality(next.image, false);
                        this.trigger({
                            type: G.LOADFINISH,
                            cached: cached,
                            index: index,
                            imageTarget: next.image,
                            thumbTarget: this.thumbnails[index].image
                        });
                        this.queue.stalled = true;
                        var transition = G.transitions[o.transition] || o.transition;
                        this.removePan();
                        this.setInfo(index);
                        this.setCounter(index);
                        if (typeof transition == 'function') {
                            transition.call(this, {
                                prev: active.image,
                                next: next.image,
                                rewind: rewind,
                                speed: o.transition_speed || 400
                            }, complete);
                        } else {
                            complete();
                        }
                    })
                });
            }));
        },

        getNext: function(base) {
            base = typeof base == 'number' ? base : this.active;
            return base == this.data.length - 1 ? 0 : base + 1;
        },

        getPrev: function(base) {
            base = typeof base == 'number' ? base : this.active;
            return base === 0 ? this.data.length - 1 : base - 1;
        },

        next: function() {
            if (this.data.length > 1) {
                this.show(this.getNext(), false);
            }
            return this;
        },

        prev: function() {
            if (this.data.length > 1) {
                this.show(this.getPrev(), true);
            }
            return this;
        },

        get: function(elem) {
            return elem in this.dom ? this.dom[elem] : null;
        },

        getData: function(index) {
            return this.data[index] || this.data[this.active];
        },

        getIndex: function() {
            return typeof this.active === 'number' ? this.active : 0;
        },

        play: function(delay) {
            this.trigger(G.PLAY);
            this.playing = true;
            this.playtime = delay || this.playtime;
            this.playCheck();
            return this;
        },

        pause: function() {
            this.trigger(G.PAUSE);
            this.playing = false;
            return this;
        },

        playCheck: function() {
            var p = 0;
            var i = 20; // the interval
            var ts = function() {
                return new Date().getTime();
            }
            var now = ts();
            if (this.playing) {
                this.clearTimer('play');
                var fn = this.proxy(function() {
                    p = ts() - now;
                    if (p >= this.playtime && this.playing) {
                        this.clearTimer('play');
                        this.next();
                        return;
                    }
                    if (this.playing) {
                        this.trigger({
                            type: G.PROGRESS,
                            percent: Math.ceil(p / this.playtime * 100),
                            seconds: Math.floor(p / 1000),
                            milliseconds: p
                        });
                        this.addTimer('play', fn, i);
                    }
                });
                this.addTimer('play', fn, i);
            }
        },

        setActive: function(val) {
            this.active = val;
            return this;
        },

        setCounter: function(index) {
            index = index || this.active;
            this.current.innerHTML = index + 1;
            return this;
        },

        setInfo: function(index) {
            var data = this.getData(index || this.active);
            this.loop(['title', 'description', 'author'], function(type) {
                var elem = this.get('info-' + type);
                var fn = data[type] && data[type].length ? 'reveal' : 'hide';
                this[fn](elem);
                if (data[type]) {
                    elem.innerHTML = data[type];
                }
            });
            return this;
        },

        hasInfo: function(index) {
            var d = this.getData(index);
            var check = 'title description author'.split(' ');
            for (var i = 0; check[i]; i++) {
                if (d[check[i]] && d[check[i]].length) {
                    return true;
                }
            }
            return false;
        },

        getDataObject: function(o) {
            var obj = {
                image: '',
                thumb: '',
                title: '',
                description: '',
                author: '',
                link: ''
            };
            return o ? this.mix(obj, o) : obj;
        },

        jQuery: function(str) {
            var ret = [];
            this.loop(str.split(','), this.proxy(function(elem) {
                elem = elem.replace(/^\s\s*/, "").replace(/\s\s*$/, "");
                if (this.get(elem)) {
                    ret.push(elem);
                }
            }));
            var jQ = jQuery(this.get(ret.shift()));
            this.loop(ret, this.proxy(function(elem) {
                jQ = jQ.add(this.get(elem));
            }));
            return jQ;
        },

        $: function(str) {
            return this.jQuery(str);
        },

        toggleQuality: function(img, force) {
            if (!G.IE7 || typeof img == 'undefined' || !img) {
                return this;
            }
            if (typeof force === 'undefined') {
                force = img.style.msInterpolationMode == 'nearest-neighbor';
            }
            img.style.msInterpolationMode = force ? 'bicubic' : 'nearest-neighbor';

            return this;
        },

        unload: function() {
            //TODO
        },

        load: function() {
            var loaded = 0;
            var o = this.options;
            if (
            (o.data_type == 'auto' &&
                typeof o.data_source == 'object' &&
                !(o.data_source instanceof jQuery) &&
                !o.data_source.tagName
            ) || o.data_type == 'json' || o.data_source.constructor == Array) {
                this.data = o.data_source;
                this.trigger(G.DATA);

            } else { // assume selector
                var images = jQuery(o.data_source).find(o.data_image_selector);
                var getData = this.proxy(function(elem) {
                    var i, j, anchor = elem.parentNode;
                    if (anchor && anchor.nodeName == 'A') {
                        if (anchor.href.match(/\.(png|gif|jpg|jpeg)/i)) {
                            i = anchor.href;
                        } else {
                            j = anchor.href;
                        }
                    }
                    var obj = this.getDataObject({
                        title: elem.title,
                        thumb: elem.src,
                        image: i || elem.src,
                        description: elem.alt,
                        link: j || elem.getAttribute('longdesc'),
                        elem: elem
                    });
                    return this.mix(obj, o.data_config(elem));
                });
                this.loop(images, function(elem) {
                    loaded++;
                    this.push(getData(elem), this.data);
                    if (!o.keep_source && !Galleria.IE) {
                        elem.parentNode.removeChild(elem);
                    }
                    if (loaded == images.length) {
                        this.trigger(G.DATA);
                    }
                });
            }
        }
    });

    G.log = function() {
        try {
            console.log.apply(console, Array.prototype.slice.call(arguments));
        } catch (e) {
            try {
                opera.postError.apply(opera, arguments);
            } catch (er) {
                alert(Array.prototype.join.call(arguments, " "));
            }
        }
    };

    var nav = navigator.userAgent.toLowerCase();
    var hash = window.location.hash.replace(/#\//, '');

    G.DATA = 'data';
    G.READY = 'ready';
    G.THUMBNAIL = 'thumbnail';
    G.LOADSTART = 'loadstart';
    G.LOADFINISH = 'loadfinish';
    G.IMAGE = 'image';
    G.THEMELOAD = 'themeload';
    G.PLAY = 'play';
    G.PAUSE = 'pause';
    G.PROGRESS = 'progress';
    G.FULLSCREEN_ENTER = 'fullscreen_enter';
    G.FULLSCREEN_EXIT = 'fullscreen_exit';
    G.IDLE_ENTER = 'idle_enter';
    G.IDLE_EXIT = 'idle_exit';
    G.RESCALE = 'rescale';
    G.LIGHTBOX_OPEN = 'lightbox_open';
    G.LIGHTBOX_CLOSE = 'lightbox_cloe';
    G.LIGHTBOX_IMAGE = 'lightbox_image';

    G.IE8 = (typeof (XDomainRequest) !== 'undefined')
    G.IE7 = !!(window.XMLHttpRequest && document.expando);
    G.IE6 = (!window.XMLHttpRequest);
    G.IE = !!(G.IE6 || G.IE7);
    G.WEBKIT = /webkit/.test(nav);
    G.SAFARI = /safari/.test(nav);
    G.CHROME = /chrome/.test(nav);
    G.QUIRK = (G.IE && document.compatMode && document.compatMode == "BackCompat");
    G.MAC = /mac/.test(navigator.platform.toLowerCase());
    G.OPERA = !!window.opera

    G.Picture = Picture;

    G.addTheme = function(obj) {
        var theme = {};
        var orig = ['name', 'author', 'version', 'defaults', 'init'];
        var proto = G.prototype;
        proto.loop(orig, function(val) {
            if (!obj[val]) {
                G.raise(val + ' not specified in theme.');
            }
            if (val != 'name' && val != 'init') {
                theme[val] = obj[val];
            }
        });
        theme.init = obj.init;

        if (obj.css) {
            var css;
            proto.loop(proto.getElements('script'), function(el) {
                var reg = new RegExp('galleria.' + obj.name.toLowerCase() + '.js');
                if (reg.test(el.src)) {
                    css = el.src.replace(/[^\/]*$/, "") + obj.css;
                    proto.loadCSS(css, function() {
                        G.theme = theme;
                        jQuery(document).trigger(G.THEMELOAD);
                    });
                }
            });
            if (!css) {
                G.raise('No theme CSS loaded');
            }
        }
        return theme;
    };

    G.raise = function(msg) {
        if (G.debug) {
            throw new Error(msg);
        }
    };

    G.loadTheme = function(src) {
        G.prototype.loadScript(src);
    };

    G.galleries = [];
    G.get = function(index) {
        if (G.galleries[index]) {
            return G.galleries[index];
        } else if (typeof index !== 'number') {
            return G.galleries;
        } else {
            G.raise('Gallery index not found');
        }
    }

    jQuery.easing.galleria = function(x, t, b, c, d) {
        if ((t /= d / 2) < 1) {
            return c / 2 * t * t * t * t + b;
        }
        return -c / 2 * ((t -= 2) * t * t * t - 2) + b;
    };

    G.transitions = {
        add: function(name, fn) {
            if (name != arguments.callee.name) {
                this[name] = fn;
            }
        },
        fade: function(params, complete) {
            jQuery(params.next).show().css('opacity', 0).animate({
                opacity: 1
            }, params.speed, complete);
            if (params.prev) {
                jQuery(params.prev).css('opacity', 1).animate({
                    opacity: 0
                }, params.speed);
            }
        },
        flash: function(params, complete) {
            jQuery(params.next).css('opacity', 0);
            if (params.prev) {
                jQuery(params.prev).animate({
                    opacity: 0
                }, (params.speed / 2), function() {
                    jQuery(params.next).animate({
                        opacity: 1
                    }, params.speed, complete);
                });
            } else {
                jQuery(params.next).animate({
                    opacity: 1
                }, params.speed, complete);
            }
        },
        pulse: function(params, complete) {
            if (params.prev) {
                jQuery(params.prev).css('opacity', 0);
            }
            jQuery(params.next).css('opacity', 0).animate({
                opacity: 1
            }, params.speed, complete);
        },
        slide: function(params, complete) {
            var image = jQuery(params.next).parent();
            var images = this.$('images');
            var width = this.stageWidth;
            image.css({
                left: width * (params.rewind ? -1 : 1)
            });
            images.animate({
                left: width * (params.rewind ? 1 : -1)
            }, {
                duration: params.speed,
                queue: false,
                easing: 'galleria',
                complete: function() {
                    images.css('left', 0);
                    image.css('left', 0);
                    complete();
                }
            });
        },
        fadeslide: function(params, complete) {
            if (params.prev) {
                jQuery(params.prev).css({
                    opacity: 1,
                    left: 0
                }).animate({
                    opacity: 0,
                    left: 50 * (params.rewind ? 1 : -1)
                }, {
                    duration: params.speed,
                    queue: false,
                    easing: 'swing'
                });
            }
            jQuery(params.next).css({
                left: 50 * (params.rewind ? -1 : 1),
                opacity: 0
            }).animate({
                opacity: 1,
                left: 0
            }, {
                duration: params.speed,
                complete: complete,
                queue: false,
                easing: 'swing'
            });
        }
    };

    G.addTransition = function() {
        G.transitions.add.apply(this, arguments);
    }

    jQuery.fn.galleria = function(options) {

        options = options || {};
        var selector = this.selector;

        return this.each(function() {
            if (!options.keep_source) {
                jQuery(this).children().hide();
            }

            options = G.prototype.mix(options, { target: this });
            var height = G.prototype.height(this) || G.prototype.getStyle(this, 'height', true);
            if (!options.height && height) {
                options = G.prototype.mix({ height: height }, options);
            }

            G.debug = !!options.debug;

            var gallery = new G(options);

            Galleria.galleries.push(gallery);

            if (G.theme) {
                gallery.init();
            } else {
                jQuery(document).bind(G.THEMELOAD, function() {
                    gallery.init();
                });
            }
        })
    };


})();