if (!window.Spark) Spark=new Object();
if (!window.Spark.Web) Spark.Web=new Object();
if (!window.Spark.Web.jQuery) Spark.Web.jQuery=new Object();
if (!window.Spark.Web.jQuery.LightBox) Spark.Web.jQuery.LightBox=new Object();

    /**
	 * Prepares image exibition; doing a image´s preloader to calculate it´s size
	 *
	 */
	function _set_image_to_view() {
		// Show the loading
		$('#lightbox-loading').show();
		if ( settings.fixedNavigation ) {
			$('#lightbox-image,#lightbox-container-image-data-box,#lightbox-image-details-currentNumber').hide();
		} else {
			// Hide some elements
			$('#lightbox-image,#lightbox-nav,#lightbox-nav-btnPrev,#lightbox-nav-btnNext,#lightbox-container-image-data-box,#lightbox-image-details-currentNumber').hide();
		}
		// Image preload process
		var objImagePreloader = new Image();
		objImagePreloader.onload = function() {
			$('#lightbox-image').attr('src',settings.imageArray[settings.activeImage][0]);
			$('#lightbox-image').hide();
			// Perfomance an effect in the image container resizing it
			//_resize_container_image_box(objImagePreloader.width,objImagePreloader.height);
			_resize_container_image_box(715,442);
			//	clear onLoad, IE behaves irratically with animated gifs otherwise
			objImagePreloader.onload=function(){};
		};
		//alert(settings.imageArray[settings.activeImage][0]);
		objImagePreloader.src = settings.imageArray[settings.activeImage][0];
	};
	/**
	 * Remove jQuery lightBox plugin HTML markup
	 *
	 */
	function _finish() {
		$('#jquery-lightbox').remove();
		$('#jquery-overlay').fadeOut(function() { $('#jquery-overlay').remove(); });
		// Show some elements to avoid conflict with overlay in IE. These elements appear above the overlay.
		$('embed, object, select').css({ 'visibility' : 'visible' });
	}
	/**
	 * Perfomance an effect in the image container resizing it
	 *
	 * @param integer intImageWidth The image´s width that will be showed
	 * @param integer intImageHeight The image´s height that will be showed
	 */
	function _resize_container_image_box(intImageWidth,intImageHeight) {
		// Get current width and height
		var intCurrentWidth = $('#lightbox-container-image-box').width();
		var intCurrentHeight = $('#lightbox-container-image-box').height();
		// Get the width and height of the selected image plus the padding
		var intWidth = (intImageWidth + (settings.containerBorderSize * 2)); // Plus the image´s width and the left and right padding value
		var intHeight = (intImageHeight + (settings.containerBorderSize * 2)); // Plus the image´s height and the left and right padding value
		// Diferences
		var intDiffW = intCurrentWidth - intWidth;
		var intDiffH = intCurrentHeight - intHeight;
		// Perfomance the effect
		$('#lightbox-container-image-box').animate({ width: intWidth, height: 442/*intHeight*/ },settings.containerResizeSpeed,function() {_show_image_data();$('#lightbox-image-details').hide(); /*_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) });
	};
	/**
	 * Show the prepared image
	 *
	 */
	function _show_image() {
		$('#lightbox-loading').hide();
		$('#lightbox-image').fadeIn(function() {
			_show_image_data();
			_set_navigation();
		});
		_preload_neighbor_images();
	};
	/**
	 * Show the image information
	 *
	 */
	function _show_image_data() {
		$('#lightbox-container-image-data-box').slideDown('fast');
		$('#lightbox-image-details-caption').hide();
		if ( settings.imageArray[settings.activeImage][1] ) {
			$('#lightbox-image-details-caption').html(settings.imageArray[settings.activeImage][1]).show();
		}
		// If we have a image set, display 'Image X of X'
		if ( settings.imageArray.length > 1 ) {
			$('#lightbox-image-details-currentNumber').html(settings.txtImage + ' ' + ( settings.activeImage + 1 ) + ' ' + settings.txtOf + ' ' + settings.imageArray.length).show();
		}		
	}
    /**
	 / THIRD FUNCTION
	 * getPageSize() by quirksmode.com
	 *
	 * @return Array Return an array with page width, height and window width, height
	 */
	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){ // all but Explorer Mac
			xScroll = document.body.scrollWidth;
			yScroll = document.body.scrollHeight;
		} else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
			xScroll = document.body.offsetWidth;
			yScroll = document.body.offsetHeight;
		}
		var windowWidth, windowHeight;
		if (self.innerHeight) {	// all except Explorer
			if(document.documentElement.clientWidth){
				windowWidth = document.documentElement.clientWidth; 
			} else {
				windowWidth = self.innerWidth;
			}
			windowHeight = self.innerHeight;
		} else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
			windowWidth = document.documentElement.clientWidth;
			windowHeight = document.documentElement.clientHeight;
		} else if (document.body) { // other Explorers
			windowWidth = document.body.clientWidth;
			windowHeight = document.body.clientHeight;
		}	
		// for small pages with total height less then height of the viewport
		if(yScroll < windowHeight){
			pageHeight = windowHeight;
		} else { 
			pageHeight = yScroll;
		}
		// for small pages with total width less then width of the viewport
		if(xScroll < windowWidth){	
			pageWidth = xScroll;		
		} else {
			pageWidth = windowWidth;
		}
		arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight);
		return arrayPageSize;
	};
	/**
	 / THIRD FUNCTION
	 * getPageScroll() by quirksmode.com
	 *
	 * @return Array Return an array with x,y page scroll values.
	 */
	function ___getPageScroll() {
		var xScroll, yScroll;
		if (self.pageYOffset) {
			yScroll = self.pageYOffset;
			xScroll = self.pageXOffset;
		} else if (document.documentElement && document.documentElement.scrollTop) {	 // Explorer 6 Strict
			yScroll = document.documentElement.scrollTop;
			xScroll = document.documentElement.scrollLeft;
		} else if (document.body) {// all other Explorers
			yScroll = document.body.scrollTop;
			xScroll = document.body.scrollLeft;	
		}
		arrayPageScroll = new Array(xScroll,yScroll);
		return arrayPageScroll;
	};
	 /**
	  * Stop the code execution from a escified time in milisecond
	  *
	  */
	 function ___pause(ms) {
		var date = new Date(); 
		curDate = null;
		do { var curDate = new Date(); }
		while ( curDate - date < ms);
	 };
    /**
	  * Settings
	  *
	  */
    settings = {
			// Configuration related to overlay
			overlayBgColor: 		'#000',		// (string) Background color to overlay; inform a hexadecimal value like: #RRGGBB. Where RR, GG, and BB are the hexadecimal values for the red, green, and blue values of the color.
			overlayOpacity:			0.8,		// (integer) Opacity value to overlay; inform: 0.X. Where X are number from 0 to 9
			// Configuration related to navigation
			fixedNavigation:		false,		// (boolean) Boolean that informs if the navigation (next and prev button) will be fixed or not in the interface.
			// Configuration related to images
			imageLoading:			'/Portals/1/Skins/images/LightboxImages/lightbox-ico-loading.gif',		// (string) Path and the name of the loading icon
			imageBtnPrev:			'/Portals/1/Skins/images/LightboxImages/LeftArrow.gif',			// (string) Path and the name of the prev button image
			imageBtnNext:			'/Portals/1/Skins/images/LightboxImages/RightArrow.gif',			// (string) Path and the name of the next button image
			imageBtnClose:			'/Portals/1/Skins/images/LightboxImages/zamknij.gif',		// (string) Path and the name of the close btn
			imageBlank:				'/Portals/1/Skins/images/LightboxImages/lightbox-blank.gif',			// (string) Path and the name of a blank image (one pixel)
			// Configuration related to container image box
			containerBorderSize:	10,			// (integer) If you adjust the padding in the CSS for the container, #lightbox-container-image-box, you will need to update this value
			containerResizeSpeed:	400,		// (integer) Specify the resize duration of container image. These number are miliseconds. 400 is default.
			// Configuration related to texts in caption. For example: Image 2 of 8. You can alter either "Image" and "of" texts.
			txtImage:				'Image',	// (string) Specify text "Image"
			txtOf:					'of',		// (string) Specify text "of"
			// Configuration related to keyboard navigation
			keyToClose:				'c',		// (string) (c = close) Letter to close the jQuery lightBox interface. Beyond this letter, the letter X and the SCAPE key is used to.
			keyToPrev:				'p',		// (string) (p = previous) Letter to show the previous image
			keyToNext:				'n',		// (string) (n = next) Letter to show the next image.
			// Don´t alter these variables in any way
			imageArray:				[],
			activeImage:			0
		};
    /**
	 * Display the button navigations
	 *
	 */
	function _set_navigation() {
		$('#lightbox-nav').show();

		// Instead to define this configuration in CSS file, we define here. And it´s need to IE. Just.
		$('#lightbox-nav-btnPrev,#lightbox-nav-btnNext').css({ 'background' : 'transparent url(' + settings.imageBlank + ') no-repeat' });
		
		// Show the prev button, if not the first image in set
		if ( settings.activeImage != 0 ) {
			if ( settings.fixedNavigation ) {
				$('#lightbox-nav-btnPrev').css({ 'background' : 'url(' + settings.imageBtnPrev + ') left 15% no-repeat' })
					.unbind()
					.bind('click',function() {
						settings.activeImage = settings.activeImage - 1;
						_set_image_to_view();
						return false;
					});
			} else {
				// Show the images button for Next buttons
				$('#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;
					_set_image_to_view();
					return false;
				});
			}
		}
		
		// Show the next button, if not the last image in set
		if ( settings.activeImage != ( settings.imageArray.length -1 ) ) {
			if ( settings.fixedNavigation ) {
				$('#lightbox-nav-btnNext').css({ 'background' : 'url(' + settings.imageBtnNext + ') right 15% no-repeat' })
					.unbind()
					.bind('click',function() {
						settings.activeImage = settings.activeImage + 1;
						_set_image_to_view();
						return false;
					});
			} else {
				// Show the images button for Next buttons
				$('#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() {
					settings.activeImage = settings.activeImage + 1;
					_set_image_to_view();
					return false;
				});
			}
		}
		// Enable keyboard navigation
		_enable_keyboard_navigation();
	}
	/**
	 * Enable a support to keyboard navigation
	 *
	 */
	function _enable_keyboard_navigation() {
		$(document).keydown(function(objEvent) {
			_keyboard_action(objEvent);
		});
	}
	/**
	 * Disable the support to keyboard navigation
	 *
	 */
	function _disable_keyboard_navigation() {
		$(document).unbind();
	}
	/**
	 * Perform the keyboard actions
	 *
	 */
	function _keyboard_action(objEvent) {
		// To ie
		if ( objEvent == null ) {
			keycode = event.keyCode;
			escapeKey = 27;
		// To Mozilla
		} else {
			keycode = objEvent.keyCode;
			escapeKey = objEvent.DOM_VK_ESCAPE;
		}
		// Get the key in lower case form
		key = String.fromCharCode(keycode).toLowerCase();
		// Verify the keys to close the ligthBox
		if ( ( key == settings.keyToClose ) || ( key == 'x' ) || ( keycode == escapeKey ) ) {
			_finish();
		}
		// Verify the key to show the previous image
		if ( ( key == settings.keyToPrev ) || ( keycode == 37 ) ) {
			// If we´re not showing the first image, call the previous
			if ( settings.activeImage != 0 ) {
				settings.activeImage = settings.activeImage - 1;
				_set_image_to_view();
				_disable_keyboard_navigation();
			}
		}
		// Verify the key to show the next image
		if ( ( key == settings.keyToNext ) || ( keycode == 39 ) ) {
			// If we´re not showing the last image, call the next
			if ( settings.activeImage != ( settings.imageArray.length - 1 ) ) {
				settings.activeImage = settings.activeImage + 1;
				_set_image_to_view();
				_disable_keyboard_navigation();
			}
		}
	}
	/**
	 * Preload prev and next images being showed
	 *
	 */
	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];
		}
	}
    
    /**
	 * Starts the LightBox
	 * Remember to add before (for example):
	 *		settings.imageArray.push(new Array("file:///D:/Projects/jquery/jquery-lightbox-0.5/photos/image1.jpg","opis"));
	 *		settings.imageArray.push(new Array("http://manufakturanew.mm.com.pl/Portals/1/Files/FakeFlash.jpg","opis"));
	 *
	 */
    Spark.Web.jQuery.LightBox.StartLightbox=function(link) 
		{
			// Apply the HTML markup into body tag
//			$('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>');	
			$('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><iframe SCROLLING="no" FRAMEBORDER="0" width="715" height="442" src="'+link+'"></iframe></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>');	
			// Get page sizes
			var arrPageSizes = ___getPageSize();
			// Style overlay and show it
			$('#jquery-overlay').css({
				backgroundColor:	settings.overlayBgColor,
				opacity:			settings.overlayOpacity,
				width:				arrPageSizes[0],
				height:				arrPageSizes[1]
			}).fadeIn();
			// Get page scroll
			var arrPageScroll = ___getPageScroll();
			// Calculate top and left offset for the jquery-lightbox div object and show it
			$('#jquery-lightbox').css({
				top:	arrPageScroll[1] + (arrPageSizes[3] / 10),
				left:	arrPageScroll[0]
			}).show();
			// Assigning click events in elements to close overlay
			$('#jquery-overlay,#jquery-lightbox').click(function() {
				_finish();									
			});
			// Assign the _finish function to lightbox-loading-link and lightbox-secNav-btnClose objects
			$('#lightbox-loading-link,#lightbox-secNav-btnClose').click(function() {
				_finish();
				return false;
			});
			// If window was resized, calculate the new overlay dimensions
			$(window).resize(function() {
				// Get page sizes
				var arrPageSizes = ___getPageSize();
				// Style overlay and show it
				$('#jquery-overlay').css({
					width:		arrPageSizes[0],
					height:		arrPageSizes[1]
				});
				// Get page scroll
				var arrPageScroll = ___getPageScroll();
				// Calculate top and left offset for the jquery-lightbox div object and show it
				$('#jquery-lightbox').css({
					top:	arrPageScroll[1] + (arrPageSizes[3] / 10),
					left:	arrPageScroll[0]
				});
			});
			
		_set_image_to_view();
		};