/*

 * FancyBox - jQuery Plugin

 * simple and fancy lightbox alternative

 *

 * Copyright (c) 2009 Janis Skarnelis

 * Examples and documentation at: http://fancybox.net

 * 

 * Version: 1.2.6 (16/11/2009)

 * 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($) {

	$.fn.fixPNG = function() {

		return this.each(function () {

			var image = $(this).css('backgroundImage');



			if (image.match(/^url\(["']?(.*\.png)["']?\)$/i)) {

				image = RegExp.$1;

				$(this).css({

					'backgroundImage': 'none',

					'filter': "progid:DXImageTransform.Microsoft.AlphaImageLoader(enabled=true, sizingMethod=" + ($(this).css('backgroundRepeat') == 'no-repeat' ? 'crop' : 'scale') + ", src='" + image + "')"

				}).each(function () {

					var position = $(this).css('position');

					if (position != 'absolute' && position != 'relative')

						$(this).css('position', 'relative');

				});

			}

		});

	};



	var elem, opts, busy = false, imagePreloader = new Image, loadingTimer, loadingFrame = 1, imageRegExp = /\.(jpg|gif|png|bmp|jpeg)(.*)?$/i;

	var ieQuirks = null, IE6 = $.browser.msie && $.browser.version.substr(0,1) == 6 && !window.XMLHttpRequest, oldIE = IE6 || ($.browser.msie && $.browser.version.substr(0,1) == 7);



	$.fn.fancybox = function(o) {

		var settings		= $.extend({}, $.fn.fancybox.defaults, o);

		var matchedGroup	= this;



		function _initialize() {

			elem = this;

			opts = $.extend({}, settings);



			_start();



			return false;

		};



		function _start() {

			if (busy) return;



			if ($.isFunction(opts.callbackOnStart)) {

				opts.callbackOnStart();

			}



			opts.itemArray		= [];

			opts.itemCurrent	= 0;



			if (settings.itemArray.length > 0) {

				opts.itemArray = settings.itemArray;



			} else {

				var item = {};



				if (!elem.rel || elem.rel == '') {

					var item = {href: elem.href, title: elem.title};



					if ($(elem).children("img:first").length) {

						item.orig = $(elem).children("img:first");

					} else {

						item.orig = $(elem);

					}



					if (item.title == '' || typeof item.title == 'undefined') {

						item.title = item.orig.attr('alt');

					}

					

					opts.itemArray.push( item );



				} else {

					var subGroup = $(matchedGroup).filter("a[rel=" + elem.rel + "]");

					var item = {};



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

						item = {href: subGroup[i].href, title: subGroup[i].title};



						if ($(subGroup[i]).children("img:first").length) {

							item.orig = $(subGroup[i]).children("img:first");

						} else {

							item.orig = $(subGroup[i]);

						}



						if (item.title == '' || typeof item.title == 'undefined') {

							item.title = item.orig.attr('alt');

						}



						opts.itemArray.push( item );

					}

				}

			}



			while ( opts.itemArray[ opts.itemCurrent ].href != elem.href ) {

				opts.itemCurrent++;

			}



			if (opts.overlayShow) {

				if (IE6) {

					$('embed, object, select').css('visibility', 'hidden');

					$("#fancy_overlay").css('height', $(document).height());

				}



				$("#fancy_overlay").css({

					'background-color'	: opts.overlayColor,

					'opacity'			: opts.overlayOpacity

				}).show();

			}

			

			$(window).bind("resize.fb scroll.fb", $.fn.fancybox.scrollBox);



			_change_item();

		};



		function _change_item() {

			$("#fancy_right, #fancy_left, #fancy_close, #fancy_title").hide();



			var href = opts.itemArray[ opts.itemCurrent ].href;



			if (href.match("iframe") || elem.className.indexOf("iframe") >= 0) {

				$.fn.fancybox.showLoading();

				_set_content('<iframe id="fancy_frame" onload="jQuery.fn.fancybox.showIframe()" name="fancy_iframe' + Math.round(Math.random()*1000) + '" frameborder="0" hspace="0" src="' + href + '"></iframe>', opts.frameWidth, opts.frameHeight);



			} else if (href.match(/#/)) {

				var target = window.location.href.split('#')[0]; target = href.replace(target, ''); target = target.substr(target.indexOf('#'));



				_set_content('<div id="fancy_div">' + $(target).html() + '</div>', opts.frameWidth, opts.frameHeight);



			} else if (href.match(imageRegExp)) {

				imagePreloader = new Image; imagePreloader.src = href;



				if (imagePreloader.complete) {

					_proceed_image();



				} else {

					$.fn.fancybox.showLoading();

					$(imagePreloader).unbind().bind('load', function() {

						$("#fancy_loading").hide();



						_proceed_image();

					});

				}

			} else {

				$.fn.fancybox.showLoading();

				$.get(href, function(data) {

					$("#fancy_loading").hide();

					_set_content( '<div id="fancy_ajax">' + data + '</div>', opts.frameWidth, opts.frameHeight );

				});

			}

		};



		function _proceed_image() {

			var width	= imagePreloader.width;

			var height	= imagePreloader.height;



			var horizontal_space	= (opts.padding * 2) + 40;

			var vertical_space		= (opts.padding * 2) + 60;



			var w = $.fn.fancybox.getViewport();

			

			if (opts.imageScale && (width > (w[0] - horizontal_space) || height > (w[1] - vertical_space))) {

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



				width	= Math.round(ratio * width);

				height	= Math.round(ratio * height);

			}



			_set_content('<img alt="" id="fancy_img" src="' + imagePreloader.src + '" />', width, height);

		};



		function _preload_neighbor_images() {

			if ((opts.itemArray.length -1) > opts.itemCurrent) {

				var href = opts.itemArray[opts.itemCurrent + 1].href || false;



				if (href && href.match(imageRegExp)) {

					objNext = new Image();

					objNext.src = href;

				}

			}



			if (opts.itemCurrent > 0) {

				var href = opts.itemArray[opts.itemCurrent -1].href || false;



				if (href && href.match(imageRegExp)) {

					objNext = new Image();

					objNext.src = href;

				}

			}

		};



		function _set_content(value, width, height) {

			busy = true;



			var pad = opts.padding;



			if (oldIE || ieQuirks) {

				$("#fancy_content")[0].style.removeExpression("height");

				$("#fancy_content")[0].style.removeExpression("width");

			}



			if (pad > 0) {

				width	+= pad * 2;

				height	+= pad * 2;



				$("#fancy_content").css({

					'top'		: pad + 'px',

					'right'		: pad + 'px',

					'bottom'	: pad + 'px',

					'left'		: pad + 'px',

					'width'		: 'auto',

					'height'	: 'auto'

				});



				if (oldIE || ieQuirks) {

					$("#fancy_content")[0].style.setExpression('height',	'(this.parentNode.clientHeight - '	+ pad * 2 + ')');

					$("#fancy_content")[0].style.setExpression('width',		'(this.parentNode.clientWidth - '	+ pad * 2 + ')');

				}

			} else {

				$("#fancy_content").css({

					'top'		: 0,

					'right'		: 0,

					'bottom'	: 0,

					'left'		: 0,

					'width'		: '100%',

					'height'	: '100%'

				});

			}



			if ($("#fancy_outer").is(":visible") && width == $("#fancy_outer").width() && height == $("#fancy_outer").height()) {

				$("#fancy_content").fadeOut('fast', function() {

					$("#fancy_content").empty().append($(value)).fadeIn("normal", function() {

						_finish();

					});

				});



				return;

			}



			var w = $.fn.fancybox.getViewport();



			var itemTop		= (height	+ 60) > w[1] ? w[3] : (w[3] + Math.round((w[1] - height	- 60) * 0.5));

			var itemLeft	= (width	+ 40) > w[0] ? w[2] : (w[2] + Math.round((w[0] - width	- 40) * 0.5));



			var itemOpts = {

				'left':		itemLeft,

				'top':		itemTop,

				'width':	width + 'px',

				'height':	height + 'px'

			};



			if ($("#fancy_outer").is(":visible")) {

				$("#fancy_content").fadeOut("normal", function() {

					$("#fancy_content").empty();

					$("#fancy_outer").animate(itemOpts, opts.zoomSpeedChange, opts.easingChange, function() {

						$("#fancy_content").append($(value)).fadeIn("normal", function() {

							_finish();

						});

					});

				});



			} else {



				if (opts.zoomSpeedIn > 0 && opts.itemArray[opts.itemCurrent].orig !== undefined) {

					$("#fancy_content").empty().append($(value));



					var orig_item	= opts.itemArray[opts.itemCurrent].orig;

					var orig_pos	= $.fn.fancybox.getPosition(orig_item);



					$("#fancy_outer").css({

						'left':		(orig_pos.left	- 20 - opts.padding) + 'px',

						'top':		(orig_pos.top	- 20 - opts.padding) + 'px',

						'width':	$(orig_item).width() + (opts.padding * 2),

						'height':	$(orig_item).height() + (opts.padding * 2)

					});



					if (opts.zoomOpacity) {

						itemOpts.opacity = 'show';

					}



					$("#fancy_outer").animate(itemOpts, opts.zoomSpeedIn, opts.easingIn, function() {

						_finish();

					});



				} else {



					$("#fancy_content").hide().empty().append($(value)).show();

					$("#fancy_outer").css(itemOpts).fadeIn("normal", function() {

						_finish();

					});

				}

			}

		};



		function _set_navigation() {

			if (opts.itemCurrent !== 0) {

				$("#fancy_left, #fancy_left_ico").unbind().bind("click", function(e) {

					e.stopPropagation();



					opts.itemCurrent--;

					_change_item();



					return false;

				});



				$("#fancy_left").show();

			}



			if (opts.itemCurrent != ( opts.itemArray.length -1)) {

				$("#fancy_right, #fancy_right_ico").unbind().bind("click", function(e) {

					e.stopPropagation();



					opts.itemCurrent++;

					_change_item();



					return false;

				});



				$("#fancy_right").show();

			}

		};



		function _finish() {

			if ($.browser.msie) {

				$("#fancy_content")[0].style.removeAttribute('filter');

				$("#fancy_outer")[0].style.removeAttribute('filter');

			}



			_set_navigation();



			_preload_neighbor_images();



			$(document).bind("keydown.fb", function(e) {

				if (e.keyCode == 27 && opts.enableEscapeButton) {

					$.fn.fancybox.close();



				} else if(e.keyCode == 37 && opts.itemCurrent !== 0) {

					$(document).unbind("keydown.fb");

					opts.itemCurrent--;

					_change_item();

					



				} else if(e.keyCode == 39 && opts.itemCurrent != (opts.itemArray.length - 1)) {

					$(document).unbind("keydown.fb");

					opts.itemCurrent++;

					_change_item();

				}

			});



			if (opts.hideOnContentClick) {

				$("#fancy_content").click($.fn.fancybox.close);

			}



			if (opts.overlayShow && opts.hideOnOverlayClick) {

				$("#fancy_overlay").bind("click", $.fn.fancybox.close);

			}



			if (opts.showCloseButton) {

				$("#fancy_close").bind("click", $.fn.fancybox.close).show();

			}



			if (typeof opts.itemArray[ opts.itemCurrent ].title !== 'undefined' && opts.itemArray[ opts.itemCurrent ].title.length > 0) {

				var pos = $("#fancy_outer").position();



				$('#fancy_title div').text( opts.itemArray[ opts.itemCurrent ].title).html();



				$('#fancy_title').css({

					'top'	: pos.top + $("#fancy_outer").outerHeight() - 32,

					'left'	: pos.left + (($("#fancy_outer").outerWidth() * 0.5) - ($('#fancy_title').width() * 0.5))

				}).show();

			}



			if (opts.overlayShow && IE6) {

				$('embed, object, select', $('#fancy_content')).css('visibility', 'visible');

			}



			if ($.isFunction(opts.callbackOnShow)) {

				opts.callbackOnShow( opts.itemArray[ opts.itemCurrent ] );

			}



			if ($.browser.msie) {

				$("#fancy_outer")[0].style.removeAttribute('filter'); 

				$("#fancy_content")[0].style.removeAttribute('filter'); 

			}

			

			busy = false;

		};



		return this.unbind('click.fb').bind('click.fb', _initialize);

	};



	$.fn.fancybox.scrollBox = function() {

		var w = $.fn.fancybox.getViewport();

		

		if (opts.centerOnScroll && $("#fancy_outer").is(':visible')) {

			var ow	= $("#fancy_outer").outerWidth();

			var oh	= $("#fancy_outer").outerHeight();



			var pos	= {

				'top'	: (oh > w[1] ? w[3] : w[3] + Math.round((w[1] - oh) * 0.5)),

				'left'	: (ow > w[0] ? w[2] : w[2] + Math.round((w[0] - ow) * 0.5))

			};



			$("#fancy_outer").css(pos);



			$('#fancy_title').css({

				'top'	: pos.top	+ oh - 32,

				'left'	: pos.left	+ ((ow * 0.5) - ($('#fancy_title').width() * 0.5))

			});

		}

		

		if (IE6 && $("#fancy_overlay").is(':visible')) {

			$("#fancy_overlay").css({

				'height' : $(document).height()

			});

		}

		

		if ($("#fancy_loading").is(':visible')) {

			$("#fancy_loading").css({'left': ((w[0] - 40) * 0.5 + w[2]), 'top': ((w[1] - 40) * 0.5 + w[3])});

		}

	};



	$.fn.fancybox.getNumeric = function(el, prop) {

		return parseInt($.curCSS(el.jquery?el[0]:el,prop,true))||0;

	};



	$.fn.fancybox.getPosition = function(el) {

		var pos = el.offset();



		pos.top	+= $.fn.fancybox.getNumeric(el, 'paddingTop');

		pos.top	+= $.fn.fancybox.getNumeric(el, 'borderTopWidth');



		pos.left += $.fn.fancybox.getNumeric(el, 'paddingLeft');

		pos.left += $.fn.fancybox.getNumeric(el, 'borderLeftWidth');



		return pos;

	};



	$.fn.fancybox.showIframe = function() {

		$("#fancy_loading").hide();

		$("#fancy_frame").show();

	};



	$.fn.fancybox.getViewport = function() {

		return [$(window).width(), $(window).height(), $(document).scrollLeft(), $(document).scrollTop() ];

	};



	$.fn.fancybox.animateLoading = function() {

		if (!$("#fancy_loading").is(':visible')){

			clearInterval(loadingTimer);

			return;

		}



		$("#fancy_loading > div").css('top', (loadingFrame * -40) + 'px');



		loadingFrame = (loadingFrame + 1) % 12;

	};



	$.fn.fancybox.showLoading = function() {

		clearInterval(loadingTimer);



		var w = $.fn.fancybox.getViewport();



		$("#fancy_loading").css({'left': ((w[0] - 40) * 0.5 + w[2]), 'top': ((w[1] - 40) * 0.5 + w[3])}).show();

		$("#fancy_loading").bind('click', $.fn.fancybox.close);



		loadingTimer = setInterval($.fn.fancybox.animateLoading, 66);

	};



	$.fn.fancybox.close = function() {

		busy = true;



		$(imagePreloader).unbind();



		$(document).unbind("keydown.fb");

		$(window).unbind("resize.fb scroll.fb");



		$("#fancy_overlay, #fancy_content, #fancy_close").unbind();



		$("#fancy_close, #fancy_loading, #fancy_left, #fancy_right, #fancy_title").hide();



		__cleanup = function() {

			if ($("#fancy_overlay").is(':visible')) {

				$("#fancy_overlay").fadeOut("fast");

			}



			$("#fancy_content").empty();

			

			if (opts.centerOnScroll) {

				$(window).unbind("resize.fb scroll.fb");

			}



			if (IE6) {

				$('embed, object, select').css('visibility', 'visible');

			}



			if ($.isFunction(opts.callbackOnClose)) {

				opts.callbackOnClose();

			}



			busy = false;

		};



		if ($("#fancy_outer").is(":visible") !== false) {

			if (opts.zoomSpeedOut > 0 && opts.itemArray[opts.itemCurrent].orig !== undefined) {

				var orig_item	= opts.itemArray[opts.itemCurrent].orig;

				var orig_pos	= $.fn.fancybox.getPosition(orig_item);



				var itemOpts = {

					'left':		(orig_pos.left	- 20 - opts.padding) + 'px',

					'top': 		(orig_pos.top	- 20 - opts.padding) + 'px',

					'width':	$(orig_item).width() + (opts.padding * 2),

					'height':	$(orig_item).height() + (opts.padding * 2)

				};



				if (opts.zoomOpacity) {

					itemOpts.opacity = 'hide';

				}



				$("#fancy_outer").stop(false, true).animate(itemOpts, opts.zoomSpeedOut, opts.easingOut, __cleanup);



			} else {

				$("#fancy_outer").stop(false, true).fadeOut('fast', __cleanup);

			}



		} else {

			__cleanup();

		}



		return false;

	};



	$.fn.fancybox.build = function() {

		var html = '';



		html += '<div id="fancy_overlay"></div>';

		html += '<div id="fancy_loading"><div></div></div>';



		html += '<div id="fancy_outer">';

		html += '<div id="fancy_inner">';



		html += '<div id="fancy_close"></div>';



		html += '<div id="fancy_bg"><div class="fancy_bg" id="fancy_bg_n"></div><div class="fancy_bg" id="fancy_bg_ne"></div><div class="fancy_bg" id="fancy_bg_e"></div><div class="fancy_bg" id="fancy_bg_se"></div><div class="fancy_bg" id="fancy_bg_s"></div><div class="fancy_bg" id="fancy_bg_sw"></div><div class="fancy_bg" id="fancy_bg_w"></div><div class="fancy_bg" id="fancy_bg_nw"></div></div>';



		html += '<a href="javascript:;" id="fancy_left"><span class="fancy_ico" id="fancy_left_ico"></span></a><a href="javascript:;" id="fancy_right"><span class="fancy_ico" id="fancy_right_ico"></span></a>';



		html += '<div id="fancy_content"></div>';



		html += '</div>';

		html += '</div>';

		

		html += '<div id="fancy_title"></div>';

		

		$(html).appendTo("body");



		$('<table cellspacing="0" cellpadding="0" border="0"><tr><td class="fancy_title" id="fancy_title_left"></td><td class="fancy_title" id="fancy_title_main"><div></div></td><td class="fancy_title" id="fancy_title_right"></td></tr></table>').appendTo('#fancy_title');



		if ($.browser.msie) {

			$(".fancy_bg").fixPNG();

		}



		if (IE6) {

			$("div#fancy_overlay").css("position", "absolute");

			$("#fancy_loading div, #fancy_close, .fancy_title, .fancy_ico").fixPNG();



			$("#fancy_inner").prepend('<iframe id="fancy_bigIframe" src="javascript:false;" scrolling="no" frameborder="0"></iframe>');



			// Get rid of the 'false' text introduced by the URL of the iframe

			var frameDoc = $('#fancy_bigIframe')[0].contentWindow.document;

			frameDoc.open();

			frameDoc.close();

			

		}

	};



	$.fn.fancybox.defaults = {

		padding				:	10,

		imageScale			:	true,

		zoomOpacity			:	true,

		zoomSpeedIn			:	0,

		zoomSpeedOut		:	0,

		zoomSpeedChange		:	300,

		easingIn			:	'swing',

		easingOut			:	'swing',

		easingChange		:	'swing',

		frameWidth			:	950,

		frameHeight			:	333,

		overlayShow			:	true,

		overlayOpacity		:	0.3,

		overlayColor		:	'#666',

		enableEscapeButton	:	true,

		showCloseButton		:	true,

		hideOnOverlayClick	:	true,

		hideOnContentClick	:	true,

		centerOnScroll		:	true,

		itemArray			:	[],

		callbackOnStart		:	null,

		callbackOnShow		:	null,

		callbackOnClose		:	null

	};



	$(document).ready(function() {

		ieQuirks = $.browser.msie && !$.boxModel;



		if ($("#fancy_outer").length < 1) {

			$.fn.fancybox.build();

		}

	});



})(jQuery);