/*
 * FancyBox - jQuery Plugin
 * Simple and fancy lightbox alternative
 *
 * Examples and documentation at: http://fancybox.net
 * 
 * Copyright (c) 2008 - 2010 Janis Skarnelis
 *
 * Version: 1.3.1 (05/03/2010)
 * Requires: jQuery v1.3+
 *
 * Dual licensed under the MIT and GPL licenses:
 *   http://www.opensource.org/licenses/mit-license.php
 *   http://www.gnu.org/licenses/gpl.html
 */

(function($) {

	var tmp, loading, overlay, wrap, outer, inner, close, nav_left, nav_right,

		selectedIndex = 0, selectedOpts = {}, selectedArray = [], currentIndex = 0, currentOpts = {}, currentArray = [],

		ajaxLoader = null, imgPreloader = new Image(), imgRegExp = /\.(jpg|gif|png|bmp|jpeg)(.*)?$/i, swfRegExp = /[^\.]\.(swf)\s*$/i,

		loadingTimer, loadingFrame = 1,

		start_pos, final_pos, busy = false, shadow = 20, fx = $.extend($('<div/>')[0], { prop: 0 }), titleh = 0, 

		isIE6 = !$.support.opacity && !window.XMLHttpRequest,

		/*
		 * Private methods 
		 */

		fancybox_abort = function() {
			loading.hide();

			imgPreloader.onerror = imgPreloader.onload = null;

			if (ajaxLoader) {
				ajaxLoader.abort();
			}

			tmp.empty();
		},

		fancybox_error = function() {
			$.fancybox('<p id="fancybox_error">The requested content cannot be loaded.<br />Please try again later.</p>', {
				'scrolling'		: 'no',
				'padding'		: 20,
				'transitionIn'	: 'none',
				'transitionOut'	: 'none'
			});
		},

		fancybox_get_viewport = function() {
			return [ $(window).width(), $(window).height(), $(document).scrollLeft(), $(document).scrollTop() ];
		},

		fancybox_get_zoom_to = function () {
			var view	= fancybox_get_viewport(),
				to		= {},

				margin = currentOpts.margin,
				resize = currentOpts.autoScale,

				horizontal_space	= (shadow + margin) * 2,
				vertical_space		= (shadow + margin) * 2,
				double_padding		= (currentOpts.padding * 2),
				
				ratio;

			if (currentOpts.width.toString().indexOf('%') > -1) {
				to.width = ((view[0] * parseFloat(currentOpts.width)) / 100) - (shadow * 2) ;
				resize = false;

			} else {
				to.width = currentOpts.width + double_padding;
			}

			if (currentOpts.height.toString().indexOf('%') > -1) {
				to.height = ((view[1] * parseFloat(currentOpts.height)) / 100) - (shadow * 2);
				resize = false;

			} else {
				to.height = currentOpts.height + double_padding;
			}

			if (resize && (to.width > (view[0] - horizontal_space) || to.height > (view[1] - vertical_space))) {
				if (selectedOpts.type == 'image' || selectedOpts.type == 'swf') {
					horizontal_space	+= double_padding;
					vertical_space		+= double_padding;

					ratio = Math.min(Math.min( view[0] - horizontal_space, currentOpts.width) / currentOpts.width, Math.min( view[1] - vertical_space, currentOpts.height) / currentOpts.height);

					to.width	= Math.round(ratio * (to.width	- double_padding)) + double_padding;
					to.height	= Math.round(ratio * (to.height	- double_padding)) + double_padding;

				} else {
					to.width	= Math.min(to.width,	(view[0] - horizontal_space));
					to.height	= Math.min(to.height,	(view[1] - vertical_space));
				}
			}

			to.top	= view[3] + ((view[1] - (to.height	+ (shadow * 2 ))) * 0.5);
			to.left	= view[2] + ((view[0] - (to.width	+ (shadow * 2 ))) * 0.5);

			if (currentOpts.autoScale === false) {
				to.top	= Math.max(view[3] + margin, to.top);
				to.left	= Math.max(view[2] + margin, to.left);
			}

			return to;
		},

		fancybox_format_title = function(title) {
			if (title && title.length) {
				switch (currentOpts.titlePosition) {
					case 'inside':
						return title;
					case 'over':
						return '<span id="fancybox-title-over">' + title + '</span>';
					default:
						return '<span id="fancybox-title-wrap"><span id="fancybox-title-left"></span><span id="fancybox-title-main">' + title + '</span><span id="fancybox-title-right"></span></span>';
				}
			}

			return false;
		},

		fancybox_process_title = function() {
			var title	= currentOpts.title,
				width	= final_pos.width - (currentOpts.padding * 2),
				titlec	= 'fancybox-title-' + currentOpts.titlePosition;
				
			$('#fancybox-title').remove();

			titleh = 0;

			if (currentOpts.titleShow === false) {
				return;
			}

			title = $.isFunction(currentOpts.titleFormat) ? currentOpts.titleFormat(title, currentArray, currentIndex, currentOpts) : fancybox_format_title(title);

			if (!title || title === '') {
				return;
			}

			$('<div id="fancybox-title" class="' + titlec + '" />').css({
				'width'			: width,
				'paddingLeft'	: currentOpts.padding,
				'paddingRight'	: currentOpts.padding
			}).html(title).appendTo('body');

			switch (currentOpts.titlePosition) {
				case 'inside':
					titleh = $("#fancybox-title").outerHeight(true) - currentOpts.padding;
					final_pos.height += titleh;
				break;

				case 'over':
					$('#fancybox-title').css('bottom', currentOpts.padding);
				break;

				default:
					$('#fancybox-title').css('bottom', $("#fancybox-title").outerHeight(true) * -1);
				break;
			}

			$('#fancybox-title').appendTo( outer ).hide();
		},

		fancybox_set_navigation = function() {
			$(document).unbind('keydown.fb').bind('keydown.fb', function(e) {
				if (e.keyCode == 27 && currentOpts.enableEscapeButton) {
					e.preventDefault();
					$.fancybox.close();

				} else if (e.keyCode == 37) {
					e.preventDefault();
					$.fancybox.prev();

				} else if (e.keyCode == 39) {
					e.preventDefault();
					$.fancybox.next();
				}
			});

			if ($.fn.mousewheel) {
				wrap.unbind('mousewheel.fb');

				if (currentArray.length > 1) {
					wrap.bind('mousewheel.fb', function(e, delta) {
						e.preventDefault();

						if (busy || delta === 0) {
							return;
						}

						if (delta > 0) {
							$.fancybox.prev();
						} else {
							$.fancybox.next();
						}
					});
				}
			}

			if (!currentOpts.showNavArrows) { return; }

			if ((currentOpts.cyclic && currentArray.length > 1) || currentIndex !== 0) {
				nav_left.show();
			}

			if ((currentOpts.cyclic && currentArray.length > 1) || currentIndex != (currentArray.length -1)) {
				nav_right.show();
			}
		},

		fancybox_preload_images = function() {
			var href, 
				objNext;
				
			if ((currentArray.length -1) > currentIndex) {
				href = currentArray[ currentIndex + 1 ].href;

				if (typeof href !== 'undefined' && href.match(imgRegExp)) {
					objNext = new Image();
					objNext.src = href;
				}
			}

			if (currentIndex > 0) {
				href = currentArray[ currentIndex - 1 ].href;

				if (typeof href !== 'undefined' && href.match(imgRegExp)) {
					objNext = new Image();
					objNext.src = href;
				}
			}
		},

		_finish = function () {
			inner.css('overflow', (currentOpts.scrolling == 'auto' ? (currentOpts.type == 'image' || currentOpts.type == 'iframe' || currentOpts.type == 'swf' ? 'hidden' : 'auto') : (currentOpts.scrolling == 'yes' ? 'auto' : 'visible')));

			if (!$.support.opacity) {
				inner.get(0).style.removeAttribute('filter');
				wrap.get(0).style.removeAttribute('filter');
			}

			$('#fancybox-title').show();

			if (currentOpts.hideOnContentClick)	{
				inner.one('click', $.fancybox.close);
			}
			if (currentOpts.hideOnOverlayClick)	{
				overlay.one('click', $.fancybox.close);
			}

			if (currentOpts.showCloseButton) {
				close.show();
			}

			fancybox_set_navigation();

			$(window).bind("resize.fb", $.fancybox.center);

			if (currentOpts.centerOnScroll) {
				$(window).bind("scroll.fb", $.fancybox.center);
			} else {
				$(window).unbind("scroll.fb");
			}

			if ($.isFunction(currentOpts.onComplete)) {
				currentOpts.onComplete(currentArray, currentIndex, currentOpts);
			}

			busy = false;

			fancybox_preload_images();
		},

		fancybox_draw = function(pos) {
			var width	= Math.round(start_pos.width	+ (final_pos.width	- start_pos.width)	* pos),
				height	= Math.round(start_pos.height	+ (final_pos.height	- start_pos.height)	* pos),

				top		= Math.round(start_pos.top	+ (final_pos.top	- start_pos.top)	* pos),
				left	= Math.round(start_pos.left	+ (final_pos.left	- start_pos.left)	* pos);

			wrap.css({
				'width'		: width		+ 'px',
				'height'	: height	+ 'px',
				'top'		: top		+ 'px',
				'left'		: left		+ 'px'
			});

			width	= Math.max(width - currentOpts.padding * 2, 0);
			height	= Math.max(height - (currentOpts.padding * 2 + (titleh * pos)), 0);

			inner.css({
				'width'		: width		+ 'px',
				'height'	: height	+ 'px'
			});

			if (typeof final_pos.opacity !== 'undefined') {
				wrap.css('opacity', (pos < 0.5 ? 0.5 : pos));
			}
		},

		fancybox_get_obj_pos = function(obj) {
			var pos		= obj.offset();

			pos.top		+= parseFloat( obj.css('paddingTop') )	|| 0;
			pos.left	+= parseFloat( obj.css('paddingLeft') )	|| 0;

			pos.top		+= parseFloat( obj.css('border-top-width') )	|| 0;
			pos.left	+= parseFloat( obj.css('border-left-width') )	|| 0;

			pos.width	= obj.width();
			pos.height	= obj.height();

			return pos;
		},

		fancybox_get_zoom_from = function() {
			var orig = selectedOpts.orig ? $(selectedOpts.orig) : false,
				from = {},
				pos,
				view;

			if (orig && orig.length) {
				pos = fancybox_get_obj_pos(orig);

				from = {
					width	: (pos.width	+ (currentOpts.padding * 2)),
					height	: (pos.height	+ (currentOpts.padding * 2)),
					top		: (pos.top		- currentOpts.padding - shadow),
					left	: (pos.left		- currentOpts.padding - shadow)
				};
				
			} else {
				view = fancybox_get_view