/**
* jQuery lightBox plugin
* This jQuery plugin was inspired and based on Lightbox 2 by Lokesh Dhakar (http://www.huddletogether.com/projects/lightbox2/)
* and adapted to me for use like a plugin from jQuery.
* @name jquery-lightbox-0.5.js
* @author Leandro Vieira Pinho - http://leandrovieira.com
* @version 0.5
* @date April 11, 2008
* @category jQuery plugin
* @copyright (c) 2008 Leandro Vieira Pinho (leandrovieira.com)
* @license CC Attribution-No Derivative Works 2.5 Brazil - http://creativecommons.org/licenses/by-nd/2.5/br/deed.en_US
* @example Visit http://leandrovieira.com/projects/jquery/lightbox/ for more informations about this jQuery plugin
*/
(function($) {
	$.fn.lightBox = function(settings) {
		settings = jQuery.extend({ overlayBgColor: '#000', overlayOpacity: 0.8, fixedNavigation: false, imageLoading: '/img/lightbox/lightbox-ico-loading.gif', imageBtnPrev: '/img/lightbox/lightbox-btn-prev.gif', imageBtnNext: '/img/lightbox/lightbox-btn-next.gif', imageBtnClose: '/img/lightbox/lightbox-btn-close.gif', imageBlank: '/img/lightbox/lightbox-blank.gif', containerBorderSize: 10, containerResizeSpeed: 400, txtImage: 'Image', txtOf: 'of', keyToClose: 'c', keyToPrev: 'p', keyToNext: 'n', imageArray: [], activeImage: 0 }, settings); var jQueryMatchedObj = this; function _initialize() { _start(this, jQueryMatchedObj); return false; }
		function _start(objClicked, jQueryMatchedObj) {
			$('embed, object, select').css({ 'visibility': 'hidden' }); _set_interface(); settings.imageArray.length = 0; settings.activeImage = 0; if (jQueryMatchedObj.length == 1) { settings.imageArray.push(new Array(objClicked.getAttribute('href'), objClicked.getAttribute('title'))); } else { for (var i = 0; i < jQueryMatchedObj.length; i++) { settings.imageArray.push(new Array(jQueryMatchedObj[i].getAttribute('href'), jQueryMatchedObj[i].getAttribute('title'))); } }
			while (settings.imageArray[settings.activeImage][0] != objClicked.getAttribute('href')) { settings.activeImage++; }
			_set_image_to_view();
		}
		function _set_interface() { $('body').append('<div id="jquery-overlay"></div><div id="jquery-lightbox"><div id="lightbox-container-image-box"><div id="lightbox-container-image"><img id="lightbox-image"><div style="" id="lightbox-nav"><a href="#" id="lightbox-nav-btnPrev"></a><a href="#" id="lightbox-nav-btnNext"></a></div><div id="lightbox-loading"><a href="#" id="lightbox-loading-link"><img src="' + settings.imageLoading + '"></a></div></div></div><div id="lightbox-container-image-data-box"><div id="lightbox-container-image-data"><div id="lightbox-image-details"><span id="lightbox-image-details-caption"></span><span id="lightbox-image-details-currentNumber"></span></div><div id="lightbox-secNav"><a href="#" id="lightbox-secNav-btnClose"><img src="' + settings.imageBtnClose + '"></a></div></div></div></div>'); var arrPageSizes = ___getPageSize(); $('#jquery-overlay').css({ backgroundColor: settings.overlayBgColor, opacity: settings.overlayOpacity, width: arrPageSizes[0], height: arrPageSizes[1] }).fadeIn(); var arrPageScroll = ___getPageScroll(); $('#jquery-lightbox').css({ top: arrPageScroll[1] + (arrPageSizes[3] / 10), left: arrPageScroll[0] }).show(); $('#jquery-overlay,#jquery-lightbox').click(function() { _finish(); }); $('#lightbox-loading-link,#lightbox-secNav-btnClose').click(function() { _finish(); return false; }); $(window).resize(function() { var arrPageSizes = ___getPageSize(); $('#jquery-overlay').css({ width: arrPageSizes[0], height: arrPageSizes[1] }); var arrPageScroll = ___getPageScroll(); $('#jquery-lightbox').css({ top: arrPageScroll[1] + (arrPageSizes[3] / 10), left: arrPageScroll[0] }); }); }

		function _set_image_to_view() {
			$('#lightbox-loading').show();
			if (settings.fixedNavigation) {
				$('#lightbox-image,#lightbox-container-image-data-box,#lightbox-image-details-currentNumber').hide();
			} else {
				$('#lightbox-image,#lightbox-nav,#lightbox-nav-btnPrev,#lightbox-nav-btnNext,#lightbox-container-image-data-box,#lightbox-image-details-currentNumber').hide();
			}

			var objImagePreloader = new Image(); objImagePreloader.onload = function() {
				$('#lightbox-image').attr('src', settings.imageArray[settings.activeImage][0]);
				_resize_container_image_box(objImagePreloader.width, objImagePreloader.height);
				objImagePreloader.onload = function() { };
			};
			objImagePreloader.src = settings.imageArray[settings.activeImage][0];
		}; function _resize_container_image_box(intImageWidth, intImageHeight) {
			var intCurrentWidth = $('#lightbox-container-image-box').width();
			var intCurrentHeight = $('#lightbox-container-image-box').height();
			var intWidth = (intImageWidth + (settings.containerBorderSize * 2));
			var intHeight = (intImageHeight + (settings.containerBorderSize * 2));
			var intDiffW = intCurrentWidth - intWidth;
			var intDiffH = intCurrentHeight - intHeight;
			$('#lightbox-container-image-box').animate({ width: intWidth, height: intHeight }, settings.containerResizeSpeed, function() { _show_image(); });
			if ((intDiffW == 0) && (intDiffH == 0)) { if ($.browser.msie) { ___pause(250); } else { ___pause(100); } }
			$('#lightbox-container-image-data-box').css({ width: intImageWidth }); $('#lightbox-nav-btnPrev,#lightbox-nav-btnNext').css({ height: intImageHeight + (settings.containerBorderSize * 2) });
		}; function _show_image() { $('#lightbox-loading').hide(); $('#lightbox-image').fadeIn(function() { _show_image_data(); _set_navigation(); }); _preload_neighbor_images(); }; function _show_image_data() {
			$('#lightbox-container-image-data-box').slideDown('fast'); $('#lightbox-image-details-caption').hide();
			if (settings.imageArray[settings.activeImage][1]) {
				var txt = settings.imageArray[settings.activeImage][1];
				txt = txt.substring(0, txt.indexOf('|'));
				$('#lightbox-image-details-caption').html(txt).show();
			}


			var dte = settings.imageArray[settings.activeImage][1];
			dte = dte.substring(dte.indexOf('|')+1);
			$('#lightbox-image-details-currentNumber').html(dte).show();


		}
		function _set_navigation() {
			$('#lightbox-nav').show();
			$('#lightbox-nav-btnPrev,#lightbox-nav-btnNext').css({ 'background': 'transparent url(' + settings.imageBlank + ') no-repeat' });

			$('#lightbox-nav-btnPrev').unbind().hover(function() {
				$(this).css({ 'background': 'url(' + settings.imageBtnPrev + ') left 15% no-repeat' });
			}, function() {
				$(this).css({ 'background': 'transparent url(' + settings.imageBlank + ') no-repeat' });
			}).show().bind('click', function() {
				settings.activeImage = (settings.activeImage + 1) % settings.imageArray.length;
				_set_image_to_view();
				return false;
			});
			$('#lightbox-nav-btnNext').unbind().hover(function() {
				$(this).css({ 'background': 'url(' + settings.imageBtnNext + ') right 15% no-repeat' });
			}, function() {
				$(this).css({ 'background': 'transparent url(' + settings.imageBlank + ') no-repeat' });
			}).show().bind('click', function() {
				if (settings.activeImage <= 0) { settings.activeImage = settings.imageArray.length; }
				settings.activeImage = settings.activeImage - 1;
				_set_image_to_view();
				return false;
			});

			_enable_keyboard_navigation();
		}
		function _enable_keyboard_navigation() { $(document).keydown(function(objEvent) { _keyboard_action(objEvent); }); }
		function _disable_keyboard_navigation() { $(document).unbind(); }
		function _keyboard_action(objEvent) {
			if (objEvent == null) { keycode = event.keyCode; escapeKey = 27; } else { keycode = objEvent.keyCode; escapeKey = objEvent.DOM_VK_ESCAPE; }
			key = String.fromCharCode(keycode).toLowerCase(); if ((key == settings.keyToClose) || (key == 'x') || (keycode == escapeKey)) { _finish(); }
			if ((key == settings.keyToPrev) || (keycode == 37)) { if (settings.activeImage != 0) { settings.activeImage = settings.activeImage - 1; _set_image_to_view(); _disable_keyboard_navigation(); } }
			if ((key == settings.keyToNext) || (keycode == 39)) { if (settings.activeImage != (settings.imageArray.length - 1)) { settings.activeImage = settings.activeImage + 1; _set_image_to_view(); _disable_keyboard_navigation(); } }
		}
		function _preload_neighbor_images() {
			if ((settings.imageArray.length - 1) > settings.activeImage) { objNext = new Image(); objNext.src = settings.imageArray[settings.activeImage + 1][0]; }
			if (settings.activeImage > 0) { objPrev = new Image(); objPrev.src = settings.imageArray[settings.activeImage - 1][0]; }
		}
		function _finish() { $('#jquery-lightbox').remove(); $('#jquery-overlay').fadeOut(function() { $('#jquery-overlay').remove(); }); $('embed, object, select').css({ 'visibility': 'visible' }); }
		function ___getPageSize() {
			var xScroll, yScroll; if (window.innerHeight && window.scrollMaxY) { xScroll = window.innerWidth + window.scrollMaxX; yScroll = window.innerHeight + window.scrollMaxY; } else if (document.body.scrollHeight > document.body.offsetHeight) { xScroll = document.body.scrollWidth; yScroll = document.body.scrollHeight; } else { xScroll = document.body.offsetWidth; yScroll = document.body.offsetHeight; }
			var windowWidth, windowHeight; if (self.innerHeight) {
				if (document.documentElement.clientWidth) { windowWidth = document.documentElement.clientWidth; } else { windowWidth = self.innerWidth; }
				windowHeight = self.innerHeight;
			} else if (document.documentElement && document.documentElement.clientHeight) { windowWidth = document.documentElement.clientWidth; windowHeight = document.documentElement.clientHeight; } else if (document.body) { windowWidth = document.body.clientWidth; windowHeight = document.body.clientHeight; }
			if (yScroll < windowHeight) { pageHeight = windowHeight; } else { pageHeight = yScroll; }
			if (xScroll < windowWidth) { pageWidth = xScroll; } else { pageWidth = windowWidth; }
			arrayPageSize = new Array(pageWidth, pageHeight, windowWidth, windowHeight); return arrayPageSize;
		}; function ___getPageScroll() {
			var xScroll, yScroll; if (self.pageYOffset) { yScroll = self.pageYOffset; xScroll = self.pageXOffset; } else if (document.documentElement && document.documentElement.scrollTop) { yScroll = document.documentElement.scrollTop; xScroll = document.documentElement.scrollLeft; } else if (document.body) { yScroll = document.body.scrollTop; xScroll = document.body.scrollLeft; }
			arrayPageScroll = new Array(xScroll, yScroll); return arrayPageScroll;
		}; function ___pause(ms) {
			var date = new Date(); curDate = null; do { var curDate = new Date(); }
			while (curDate - date < ms);
		}; return this.unbind('click').click(_initialize);
	};
})(jQuery);