/**
 * SqueezeBox - Expandable Lightbox
 */
var SqueezeBox = {

	presets: {
		size: {x: 600, y: 450},
		sizeLoading: {x: 200, y: 150},
		marginInner: {x: 20, y: 20},
		marginImage: {x: 50, y: 75},
		handler: false,
		target: null,
		closable: true,
		closeBtn: true,
		zIndex: 65555,
		overlayOpacity: 0.7,
		classWindow: '',
		classOverlay: '',
		overlayFx: {},
		resizeFx: {},
		contentFx: {},
		parse: false, // 'rel'
		parseSecure: false,
		ajaxOptions: {},
		onOpen: $empty,
		onClose: $empty,
		onUpdate: $empty,
		onResize: $empty,
		onMove: $empty,
		onShow: $empty,
		onHide: $empty
	},

	initialize: function(presets) {
		if (this.options) return this;
		this.presets = $merge(this.presets, presets);
		this.options = {};
		this.setOptions(this.presets).build();
		this.bound = {
			window: this.reposition.bind(this, [null]),
			scroll: this.checkTarget.bind(this),
			close: this.close.bind(this),
			key: this.onKey.bind(this)
		};
		this.isOpen = this.isLoading = false;
		return this;
	},

	build: function() {
		this.overlay = new Element('div', {
			id: 'sbox-overlay',
			styles: {display: 'none', zIndex: this.options.zIndex}
		});
		this.content = new Element('div', {id: 'sbox-content'});
		this.closeBtn = new Element('a', {id: 'sbox-btn-close', href: '#'});
		this.win = new Element('div', {
			id: 'sbox-window',
			styles: {display: 'none', zIndex: this.options.zIndex + 2}
		}).adopt(this.closeBtn, this.content);
		this.fx = {
			overlay: new Fx.Tween(this.overlay, $merge({
				property: 'opacity',
				onStart: Events.prototype.clearChain,
				duration: 250,
				link: 'cancel'
			}, this.options.overlayFx)).set(0),
			win: new Fx.Morph(this.win, $merge({
				onStart: Events.prototype.clearChain,
				unit: 'px',
				duration: 750,
				transition: Fx.Transitions.Quint.easeOut,
				link: 'cancel',
				unit: 'px'
			}, this.options.resizeFx)),
			content: new Fx.Tween(this.content, $merge({
				property: 'opacity',
				duration: 250,
				link: 'cancel'
			}, this.options.contentFx)).set(0)
		};
		$(document.body).adopt(this.overlay, this.win);
	},

	assign: function(to, options) {
		return to.addEvent('click', function() {
			return !SqueezeBox.fromElement(this, options);
		});
	},

	fromElement: function(from, options) {
		this.initialize();
		if (this.element) this.trash();
		this.element = $(from);
		this.setOptions($merge(this.presets, options || {}));
		if (this.element && this.options.parse) {
			var obj = this.element.getProperty(this.options.parse);
			if (obj && (obj = JSON.decode(obj, this.options.parseSecure))) this.setOptions(obj);
		}
		this.assignOptions();
		this.url = ((this.element) ? (this.options.url || this.element.get('href')) : from) || '';
		var handler = this.options.handler;
		if (handler) return this.setContent(handler, this.parsers[handler].call(this, true));
		var ret = false;
		this.parsers.some(function(parser, key) {
			var content = parser.call(this);
			if (content) {
				ret = this.setContent(key, content);
				return true;
			}
			return false;
		}, this);
		return ret;
	},

	assignOptions: function() {
		this.overlay.set('class', this.options.classOverlay);
		this.win.set('class', this.options.classWindow);
		if (Browser.Engine.trident4) this.win.addClass('sbox-window-ie6');
	},

	close: function(e) {
		var stoppable = ($type(e) == 'event');
		if (stoppable) e.stop();
		if (!this.isOpen || (stoppable && !$lambda(this.options.closable).call(this, e))) return this;
		this.fx.overlay.start(0).chain(this.toggleOverlay.bind(this));
		this.win.setStyle('display', 'none');
		this.trash();
		this.toggleListeners();
		this.isOpen = false;
		this.fireEvent('onClose', [this.content]);
		return this;
	},

	trash: function() {
		this.element = this.asset = null;
		this.options = {};
		this.removeEvents().setOptions(this.presets).callChain();
	},

	onError: function() {
		this.asset = null;
		this.setContent('string', 'Error during loading');
	},

	setContent: function(handler, content) {
		if (!this.handlers[handler]) return false;
		this.content.className = 'sbox-content-' + handler;
		this.applyTimer = this.applyContent.delay(this.fx.overlay.options.duration, this, this.handlers[handler].call(this, content));
		if (this.overlay.retrieve('opacity')) return this;
		this.toggleOverlay(true);
		this.fx.overlay.start(this.options.overlayOpacity);
		return this.reposition();
	},

	applyContent: function(content, size) {
		this.applyTimer = $clear(this.applyTimer);
		this.hideContent();
		if (!content) {
			this.toggleLoading(true);
		} else {
			if (this.isLoading) this.toggleLoading(false);
			this.fireEvent('onUpdate', [this.content], 20);
		}
		this.content.empty();
		if (['string', 'array', false].contains($type(content))) this.content.set('html', content || '');
		else this.content.adopt(content);
		this.callChain();
		if (!this.isOpen) {
			this.toggleListeners(true);
			this.resize(size, true);
			this.isOpen = true;
			this.fireEvent('onOpen', [this.content]);
		} else {
			this.resize(size);
		}
	},

	resize: function(size, instantly) {
		var box = document.getSize(), scroll = document.getScroll();
		this.size = $merge((this.isLoading) ? this.options.sizeLoading : this.options.size, size);
		var to = {
			width: this.size.x,
			height: this.size.y,
			left: (scroll.x + (box.x - this.size.x - this.options.marginInner.x) / 2).toInt(),
			top: (scroll.y + (box.y - this.size.y - this.options.marginInner.y) / 2).toInt()
		};
		$clear(this.showTimer || null);
		this.hideContent();
		if (!instantly) {
			this.fx.win.start(to).chain(this.showContent.bind(this));
		} else {
			this.win.setStyles(to).setStyle('display', '');
			this.showTimer = this.showContent.delay(50, this);
		}
		return this.reposition();
	},

	toggleListeners: function(state) {
		var fn = (state) ? 'addEvent' : 'removeEvent';
		this.closeBtn[fn]('click', this.bound.close);
		this.overlay[fn]('click', this.bound.close);
		document[fn]('keydown', this.bound.key)[fn]('mousewheel', this.bound.scroll);
		window[fn]('resize', this.bound.window)[fn]('scroll', this.bound.window);
	},

	toggleLoading: function(state) {
		this.isLoading = state;
		this.win[(state) ? 'addClass' : 'removeClass']('sbox-loading');
		if (state) this.fireEvent('onLoading', [this.win]);
	},

	toggleOverlay: function(state) {
		this.overlay.setStyle('display', (state) ? '' : 'none');
		$(document.body)[(state) ? 'addClass' : 'removeClass']('body-overlayed');
	},

	showContent: function() {
		if (this.content.get('opacity')) this.fireEvent('onShow', [this.win]);
		this.fx.content.start(1);
	},

	hideContent: function() {
		if (!this.content.get('opacity')) this.fireEvent('onHide', [this.win]);
		this.fx.content.set(0);
	},

	onKey: function(e) {
		switch (e.key) {
			case 'esc': this.close(e);
			case 'up': case 'down': return false;
		}
	},

	checkTarget: function(e) {
		return this.content.hasChild(e.target);
	},

	reposition: function() {
		var size = document.getSize(), scroll = document.getScroll();
		this.overlay.setStyles({
			left: scroll.x + 'px',
			top: scroll.y + 'px',
			width: size.x + 'px',
			height: size.y + 'px'
		});
		this.win.setStyles({
			left: (scroll.x + (size.x - this.win.offsetWidth) / 2).toInt() + 'px',
			top: (scroll.y + (size.y - this.win.offsetHeight) / 2).toInt() + 'px'
		});
		return this.fireEvent('onMove', [this.overlay, this.win]);
	},

	removeEvents: function(type){
		if (!this.$events) return this;
		if (!type) this.$events = null;
		else if (this.$events[type]) this.$events[type] = null;
		return this;
	},

	extend: function(properties) {
		return $extend(this, properties);
	},

	handlers: new Hash(),

	parsers: new Hash()

};

SqueezeBox.extend(new Events($empty)).extend(new Options($empty)).extend(new Chain($empty));

SqueezeBox.parsers.extend({

	image: function(preset) {
		return (preset || (/\.(?:jpg|png|gif)$/i).test(this.url)) ? this.url : false;
	},

	clone: function(preset) {
		if ($(this.options.target)) return $(this.options.target);
		if (this.element && !this.element.parentNode) return this.element;
		var bits = this.url.match(/#([\w-]+)$/);
		return (bits) ? $(bits[1]) : (preset ? this.element : false);
	},

	ajax: function(preset) {
		return (preset || (this.url && !(/^(?:javascript|#)/i).test(this.url))) ? this.url : false;
	},

	iframe: function(preset) {
		return (preset || this.url) ? this.url : false;
	},

	string: function(preset) {
		return true;
	}
});

SqueezeBox.handlers.extend({

	image: function(url) {
		var size, tmp = new Image();
		tmp.onerror = tmp.onabort = tmp.onload = (function() {
			tmp.onload = tmp.onabort = tmp.onerror = null;
			if (!tmp.width) {
				this.onError.delay(10, this);
				return;
			}
			var box = document.getSize();
			box.x -= this.options.marginImage.x;
			box.y -= this.options.marginImage.y;
			size = {x: tmp.width, y: tmp.height};
			for (var i = 2; i--;) {
				if (size.x > box.x) {
					size.y *= box.x / size.x;
					size.x = box.x;
				} else if (size.y > box.y) {
					size.x *= box.y / size.y;
					size.y = box.y;
				}
			}
			size.x = size.x.toInt();
			size.y = size.y.toInt();
			this.asset = $(tmp);
			tmp = null;
			this.asset.setProperties({width: size.x, height: size.y});
			this.applyContent(this.asset, size);
		}).bind(this);
		this.asset = null;
		tmp.src = url;
		if (tmp && tmp.onload && tmp.complete) tmp.onload();
		return (this.asset) ? [this.asset, size] : null;
	},

	clone: function(el) {
		return el.clone();
	},

	adopt: $arguments(0),

	ajax: function(url) {
		this.asset = new Request.HTML($merge({
			method: 'get'
		}, this.options.ajaxOptions)).addEvents({
			onSuccess: function(resp) {
				this.applyContent(resp);
				this.asset = null;
			}.bind(this),
			onFailure: this.onError.bind(this)
		});
		this.asset.send.delay(10, this.asset, [{url: url}]);
	},

	iframe: function(url) {
		this.asset = new Element('iframe', $merge({
			src: url,
			frameBorder: 0,
			id: 'popupIframe',
			width: this.options.size.x,
			height: this.options.size.y
		}, this.options.iframeOptions));
		return this.asset;
	},

	string: function(str) {
		return str;
	}

});

SqueezeBox.handlers.url = SqueezeBox.handlers.ajax;
SqueezeBox.parsers.url = SqueezeBox.parsers.ajax;
SqueezeBox.parsers.adopt = SqueezeBox.parsers.clone;




/**
 * ReMooz - Zoomer
 *
 * Inspired by so many boxes and zooms
 *
 * @version		1.0
 *
 * @license		MIT-style license
 * @author		Harald Kirschner <mail [at] digitarald.de>
 * @copyright	Author
 */

var ReMooz = new Class({

	Implements: [Events, Options, Chain],

	options: {
		link: null,
		type: 'image',
		container: null,
		className: null,
		centered: false,
		dragging: true,
		closeOnClick: true,
		shadow: (Browser.Engine.trident) ? 'onOpenEnd' : 'onOpen', // performance
		resize: true,
		margin: 20,
		resizeFactor: 0.95,
		resizeLimit: false, // {x: 640, y: 640}
		fixedSize: false,
		cutOut: true,
		addClick: true,
		opacityLoad: 0.6,
		opacityResize: 1,
		opacityTitle: 0.9,
		resizeOptions: {},
		fxOptions: {},
		closer: true,
		parse: false, // 'rel'
		parseSecure: false,
		temporary: false,
		onBuild: $empty,
		onLoad: $empty,
		onOpen: $empty,
		onOpenEnd: $empty,
		onClose: $empty,
		onCloseEnd: $empty,
		generateTitle: function(el) {
			var text = el.get('title');
			if (!text) return false;
			var title = text.split(' :: ');
			var head = new Element('h6', {'html': title[0]});
			return (title[1]) ? [head, new Element('p', {'html': title[1]})] : head;
		}
	},

	initialize: function(element, options) {
		this.element = $(element);
		this.setOptions(options);
		if (this.options.parse) {
			var obj = this.element.getProperty(this.options.parse);
			if (obj && (obj = JSON.decode(obj, this.options.parseSecure))) this.setOptions(obj);
		}
		var origin = this.options.origin;
		this.origin = ((origin) ? $(origin) || this.element.getElement(origin) : null) || this.element;
		this.link = this.options.link || this.element.get('href') || this.element.get('src');
		this.container = $(this.options.container) || this.element.getDocument();
		this.bound = {
			'click': function(e) {
				this.open.delay(1, this);
				return false;
			}.bind(this),
			'close': this.close.bind(this),
			'dragClose': function(e) {
				if (e.rightClick) return;
				this.close();
			}.bind(this)
		};
		if (this.options.addClick) this.bindToElement();
	},

	destroy: function() {
		if (this.box) this.box.destroy();
		this.box = this.tweens = this.body = this.content = null;
	},

	bindToElement: function(element) {
		($(element) || this.element).addClass('remooz-element').addEvent('click', this.bound.click);
		return this;
	},

	getOriginCoordinates: function() {
		var coords = this.origin.getCoordinates();
		delete coords.right;
		delete coords.bottom;
		return coords;
	},

	open: function(e) {
		if (this.opened) return (e) ? this.close() : this;
		this.opened = this.loading = true;
		if (!this.box) this.build();
		this.coords = this.getOriginCoordinates();
		this.coords.opacity = this.options.opacityLoad;
		this.coords.display = '';
		this.tweens.box.set(this.coords);
		this.box.addClass('remooz-loading');
		ReMooz.open(this.fireEvent('onLoad'));
		this['open' + this.options.type.capitalize()]();
		return this;
	},

	finishOpen: function() {
		this.tweens.fade.start(0, 1);
		this.drag.attach();
		this.fireEvent('onOpenEnd').callChain();
	},

	close: function() {
		if (!this.opened) return this;
		this.opened = false;
		ReMooz.close(this.fireEvent('onClose'));
		if (this.loading) {
			this.box.setStyle('display', 'none');
			return this;
		}
		this.drag.detach();
		this.tweens.fade.cancel().set(0).fireEvent('onComplete');
		if (this.tweens.box.timer) this.tweens.box.clearChain();
		var vars = this.getOriginCoordinates();
		if (this.options.opacityResize != 1) vars.opacity = this.options.opacityResize;
		this.tweens.box.start(vars).chain(this.closeEnd.bind(this));
		return this;
	},

	closeEnd: function() {
		if (this.options.cutOut) this.element.setStyle('visibility', 'visible');
		this.box.setStyle('display', 'none');
		this.fireEvent('onCloseEnd').callChain();
		if (this.options.temporary) this.destroy();
	},

	openImage: function() {
		var tmp = new Image();
		tmp.onload = tmp.onabort = tmp.onerror = function(fast) {
			this.loading = tmp.onload = tmp.onabort = tmp.onerror = null;
			if (!tmp.width || !this.opened) {
				this.fireEvent('onError').close();
				return;
			}
			var to = {x: tmp.width, y: tmp.height};
			if (!this.content) this.content = $(tmp).inject(this.body);
			else tmp = null;
			this[(this.options.resize) ? 'zoomRelativeTo' : 'zoomTo'].create({
				'delay': (tmp && fast !== true) ? 1 : null,
				'arguments': [to],
				'bind': this
			})();
		}.bind(this);
		tmp.src = this.link;
		if (tmp && tmp.complete && tmp.onload) tmp.onload(true);
	},

	/**
	 * @todo Test implementation
	 */
	openElement: function() {
		this.content = this.content || $(this.link) || $E(this.link);
		if (!this.content) {
			this.fireEvent('onError').close();
			return;
		}
		this.content.inject(this.body);
		this.zoomTo({x: this.content.scrollWidth, y: this.content.scrollHeight});
	},

	zoomRelativeTo: function(to) {
		var scale = this.options.resizeLimit;
		if (!scale) {
			scale = this.container.getSize();
			scale.x *= this.options.resizeFactor;
			scale.y *= this.options.resizeFactor;
		}
		for (var i = 2; i--;) {
			if (to.x > scale.x) {
				to.y *= scale.x / to.x;
				to.x = scale.x;
			} else if (to.y > scale.y) {
				to.x *= scale.y / to.y;
				to.y = scale.y;
			}
		}
		return this.zoomTo({x: to.x.toInt(), y: to.y.toInt()});
	},

	zoomTo: function(to) {
		to = this.options.fixedSize || to;
		var box = this.container.getSize(), scroll = this.container.getScroll();
		var pos = (!this.options.centered) ? {
			x: (this.coords.left + (this.coords.width / 2) - to.x / 2).toInt()
				.limit(scroll.x + this.options.margin, scroll.x + box.x - this.options.margin - to.x),
			y: (this.coords.top + (this.coords.height / 2) - to.y / 2).toInt()
				.limit(scroll.y + this.options.margin, scroll.y + box.y - this.options.margin - to.y)
		} :  {
			x: scroll.x + ((box.x - to.x) / 2).toInt(),
			y: scroll.y + ((box.y - to.y) / 2).toInt()
		};
		if (this.options.cutOut) this.element.setStyle('visibility', 'hidden');
		this.box.removeClass('remooz-loading');
		var vars = {left: pos.x, top: pos.y, width: to.x, height: to.y};
		if (this.options.opacityResize != 1) vars.opacity = [this.options.opacityResize, 1];
		else this.box.set('opacity', 1);
		this.tweens.box.start(vars).chain(this.finishOpen.bind(this));
		this.fireEvent('onOpen');
	},

	build: function() {
		this.addEvent('onBlur', function() {
			this.focused = false;
			this.box.removeClass('remooz-box-focus').setStyle('z-index', ReMooz.options.zIndex);
		}, true);
		this.addEvent('onFocus', function() {
			this.focused = true;
			this.box.addClass('remooz-box-focus').setStyle('z-index', ReMooz.options.zIndexFocus);
		}, true);

		var classes = ['remooz-box', 'remooz-type-' + this.options.type, 'remooz-engine-' + Browser.Engine.name + Browser.Engine.version];
		if (this.options.className) classes.push(this.options.className);
		this.box = new Element('div', {
			'class': classes.join(' '),
			'styles': {
				'display': 'none',
				'top': 0,
				'left': 0,
				'zIndex': ReMooz.options.zIndex
			}
		});

		this.tweens = {
			'box': new Fx.Morph(this.box, $merge({
					'duration': 400,
					'unit': 'px',
					'transition': Fx.Transitions.Quart.easeOut,
					'chain': 'cancel'
				}, this.options.resizeOptions)
			),
			'fade': new Fx.Tween(null, $merge({
					'property': 'opacity',
					'duration': (Browser.Engine.trident) ? 0 : 300,
					'chain': 'cancel'
				}, this.options.fxOptions)).addEvents({
					'onComplete': function() {
						if (!this.element.get('opacity')) this.element.setStyle('display', 'none');
					},
					'onStart': function() {
						if (!this.element.get('opacity')) this.element.setStyle('display', '');
					}
				}
			)
		};
		this.tweens.fade.element = $$();

		if (this.options.shadow) {
			if (Browser.Engine.webkit420) {
				this.box.setStyle('-webkit-box-shadow', '0 0 10px rgba(0, 0, 0, 0.7)');
			} else if (!Browser.Engine.trident4) {
				var shadow = new Element('div', {'class': 'remooz-bg-wrap'}).inject(this.box);
				['n', 'ne', 'e', 'se', 's', 'sw', 'w', 'nw'].each(function(dir) {
					new Element('div', {'class': 'remooz-bg remooz-bg-' + dir}).inject(shadow);
				});
				this.tweens.bg = new Fx.Tween(shadow, {
					'property': 'opacity',
					'chain': 'cancel'
				}).set(0);
				this.addEvent(this.options.shadow, this.tweens.bg.set.bind(this.tweens.bg, 1), true);
				this.addEvent('onClose', this.tweens.bg.set.bind(this.tweens.bg, 0), true);
			}
		}

		if (this.options.closer) {
			var closer = new Element('a', {
				'class': 'remooz-btn-close',
				'events': {'click': this.bound.close}
			}).inject(this.box);
			this.tweens.fade.element.push(closer);
		}
		this.body = new Element('div', {'class': 'remooz-body'}).inject(this.box);

		var title = this.options.title || this.options.generateTitle.call(this, this.element);
		if (title) { // thx ie6
			var title = new Element('div', {'class': 'remooz-title'}).adopt(
				new Element('div', {'class': 'remooz-title-bg', 'opacity': this.options.opacityTitle}),
				new Element('div', {'class': 'remooz-title-content'}).adopt(title)
			).inject(this.box);
			this.tweens.fade.element.push(title);
		}
		this.tweens.fade.set(0).fireEvent('onComplete');

		this.drag = new Drag.Move(this.box, {
			'snap': 15,
			'preventDefault': true,
			'onBeforeStart': function() {
				if (!this.focused && !this.loading) ReMooz.focus(this);
				else if (this.loading || this.options.closeOnClick) this.box.addEvent('mouseup', this.bound.dragClose);
			}.bind(this),
			'onSnap': function() {
				this.box.removeEvent('mouseup', this.bound.dragClose);
				if (!this.options.dragging) this.drag.stop();
				else this.box.addClass('remooz-box-dragging');
			}.bind(this),
			'onComplete': function() {
				this.box.removeClass('remooz-box-dragging');
			}.bind(this)
		});
		this.drag.detach();

		this.fireEvent('onBuild', this.box, this.element);
		this.box.inject(this.element.getDocument().body);
	}

});

ReMooz.factory = function(extended) {
	return $extend(this, extended);
};

ReMooz.factory(new Options).factory({

	options: {
		zIndex: 41,
		zIndexFocus: 42,
		query: 'a.remooz',
		modal: false
	},

	assign: function(elements, options) {
		return $$(elements).map(function(element) {
			return new ReMooz(element, options);
		}, this);
	},

	stack: [],

	open: function(obj) {
		var last = this.stack.getLast();
		this.focus(obj);
		if (last && this.options.modal) last.close();
	},

	close: function(obj) {
		var length = this.stack.length - 1;
		if (length > 1 && this.stack[length] == obj) this.focus(this.stack[length - 1]);
		this.stack.erase(obj);
	},

	focus: function(obj) {
		var last = this.stack.getLast();
		obj.fireEvent('onFocus', [obj]);
		if (last == obj) return;
		if (last) last.fireEvent('onBlur', [last]);
		this.stack.erase(obj).push(obj);
	}

});



/*
 * Thumbnails anzeigen
 */

window.addEvent('domready', function(){

	ReMooz.assign();

	$$('a[rel=remooz]').each(function(element) {

		new ReMooz(element, {
			'origin': element.getElement('img'),
			'shadow': 'onOpenEnd',
			'resizeFactor': 0.8,
			'cutOut': false,
			'opacityResize': 0.4,
			'dragging': false,
			'centered': true
		});

	});

});



/*
 * SqueezeBox fuer iFrames starten
 */
window.addEvent('domready', function() {

	SqueezeBox.assign($$('a.boxed'), {
		parse: 'rel'
	});

});



/*
 * Hover-Effekt in Bildergalerie erzeugen
 */

window.addEvent('domready', function(){

	$$('#gallery h3').each(function(element) {

		new Fx.Tween(element).set('opacity', 0.7);

	});

});


/*
 * runde Ecken fuer IE erzeugen
 */

window.addEvent('domready', function(){

	if (Browser.Engine.trident == true) {
		var borderTop = new Element('div', {'class': 'ie_border_top'});
		borderTop.inject($('page'), 'top');
		var borderBottom = new Element('div', {'class': 'ie_border_bottom'});
		borderBottom.inject($('page'), 'top');

		var strNewHTML = "<span style=\"width:282px; height:45px;filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src=\'" + $('logoImg').get('src') + "\', sizingMethod='scale');\"></span>";
		$('logoImg').outerHTML = strNewHTML

	}

});