/**
 * jQuery lightBox plugin
 * This jQuery plugin was inspired and based on jQuery lightBox plugin by Leandro Vieira Pinho (http://leandrovieira.com/projects/jquery/lightbox/)
 */

// Offering a Custom Alias suport - More info: http://docs.jquery.com/Plugins/Authoring#Custom_Alias
(function($) {
	/**
	 * $ is an alias to jQuery object
	 *
	 */
	$.fn.lightBox = function(settings) {
		// Settings to configure the jQuery lightBox plugin how you like
		settings = jQuery.extend({
			// 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,		// (true o false). conviene non utilizzarlo. non e' stata implementata una funzione che disabilita gli eventi al clic fintanto che l'animazione non e' terminata
			// Configuration related to images
			imageLoading:			'images/lightbox-ico-loading.gif',		// (string) Path and the name of the loading icon
			imageBtnPrev:			'images/lightbox-btn-prev.gif',			// (string) Path and the name of the prev button image
			imageBtnNext:			'images/lightbox-btn-next.gif',			// (string) Path and the name of the next button image
			imageBtnClose:			'images/lightbox-btn-close.gif',		// (string) Path and the name of the close btn
			imageBlank:				'images/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.
			resize: 				false,		//impostato a true ridimesiona il container quando l'elemento cambia. non e' compatibile con transition = fade
			openWhen: 			'1',			//vale 1 appena aperto. viene incrementato al cambio di un elemento(serve per utilizzare un resize solo all'apertura)
			contentText: 		'',		//contenuto lightbox text
			titleText: 		'',		//titolo lightbox text
			widthFixed:			'',		//larghezza fissa lightbox (da definire obbligatoriamente quando non si vuole il ridimensionamento del lightbox)
			heightFixed:			'',		//altezza fissa lightbox (da definire obbligatoriamente quando non si vuole il ridimensionamento del lightbox)
			imageRoot:		'images/',	//nome cartella che contiene le immagini del lightbox. di default e' images
			type:					'gallery', 	//tipo di lightbox (default e' una galleria fotografica. altri tipo possibili: text e gallery_products) 
			transition:				'fade', 	//tipo di transizione da un immagine all'altra (default fade. altri tipo possibili: normal). il tipo fade non e' compatibile con resize = true 
			// Don´t alter these variables in any way
			imageArray:				[], 
			activeImage:			0
		},settings);
		// Caching the jQuery object with all elements matched
		var jQueryMatchedObj = this; // This, in this context, refer to jQuery object
		/**
		 * Initializing the plugin calling the start function
		 *
		 * @return boolean false
		 */
		function _initialize() {
			_start(this,jQueryMatchedObj); // This, in this context, refer to object (link) which the user have clicked
			return false; // Avoid the browser following the link
		}
		/**
		 * Start the jQuery lightBox plugin
		 *
		 * @param object objClicked The object (link) whick the user have clicked
		 * @param object jQueryMatchedObj The jQuery object with all elements matched
		 */
		function _start(objClicked,jQueryMatchedObj) {
			// Hime some elements to avoid conflict with overlay in IE. These elements appear above the overlay.
			$('embed, object, select').css({ 'visibility' : 'hidden' });
			// Call the function to create the markup structure; style some elements; assign events in some elements.
			_set_interface();
			// Unset total images in imageArray
			//settings.imageArray.length = 0;
			// Unset image active information
			settings.activeImage = 0;
					
			if(settings.type == 'gallery' || settings.type == 'gallery_products'){
				var linkClicked = objClicked.id;
				
				var filter=/\d+/;	//espressione regolare. cerca uno o piu' caratteri numerici consecutivi. 
				var idClick = filter.exec(linkClicked); //salva risultato nell'array
				idClick = idClick[0];
				idClick--;
				while ( settings.imageArray[settings.activeImage][0] != settings.imageArray[idClick][0] ) {
					settings.activeImage++;
				} 
				
			}
			_set_image_to_view(); // Call the function that prepares image exibition
			
		}
		
		function _set_interface() {
			// Apply the HTML markup into body tag
			if(settings.type == 'gallery_products'){
				$('body').append('<div id="jquery-overlay"></div><div id="jquery-lightbox" class="jquery-lightbox-products"><div id="lightbox-container-image-box"><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 id="lightbox-container-image"><div id="lightbox-container-image-inner"><div id="lightbox-image-fade"></div><img id="lightbox-image"></div><div id="lightbox_prod_text"><h1></h1><p></p></div><div id="lightbox_prod_text_fake"></div><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>');	
			}else if(settings.type == 'videogallery'){
			
			}else if(settings.type == 'text'){
				$('body').append('<div id="jquery-overlay"></div><div id="jquery-lightbox" class="jquery-lightbox-text"><div id="lightbox-container-image-box"><div id="lightbox-container-image"><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 id="lightbox-loading"><a href="#" id="lightbox-loading-link"><img src="' + settings.imageLoading + '"></a></div><div id="contentText"><div class="contentTextInner"></div></div><div id="contentTextFake"></div></div></div></div>');	
			}else{	// di default
				$('body').append('<div id="jquery-overlay"></div><div id="jquery-lightbox" class="jquery-lightbox-gallery"><div id="lightbox-container-image-box"><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 id="lightbox-container-image"><div id="lightbox-image-fade"></div><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>');	
			}
			// 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] + parseInt(30),
				left:	arrPageScroll[0]
			}).show();
			
			// Assigning click events in elements to close overlay
			$('#jquery-overlay,#jquery-lightbox').click(function() {
				_finish();									
			});
			// Assigning click events in elements to don't close overlay
			$('#lightbox-container-image-data-box,#lightbox-container-image-box').click(function() {
				return false;									
			});
				
			if(settings.type=='gallery_products' && settings.resize == false){
				//larghezza contenitore immagine = larghezza lightbox fissa - bordo - larghezza testo
				var widthContImg = settings.widthFixed - (settings.containerBorderSize*2) - $("#lightbox_prod_text").width();
				
				$("#lightbox-container-image-inner").width(widthContImg);
			}
			// 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
				$('#jquery-lightbox').css({
					top:	arrPageScroll[1] + parseInt(30),
					left:	arrPageScroll[0]
				});
			});
		}
		/**
		 * Prepares image exibition; doing a image´s preloader to calculate it´s size
		 *
		 */
		function _set_image_to_view() {// show the loading
			// Show the loading
			//$('#lightbox-loading').show();
			
			if(settings.type=="gallery"){
				$('#lightbox-image-fade').width(settings.widthFixed);
			}else{
				$('#lightbox-image-fade').width($("#lightbox-container-image-inner").width());
			}
			
			if ( settings.fixedNavigation || navigator.userAgent.match(/iPad/i) ) {
				if(settings.type == 'gallery_products' ){
					$('#lightbox-image,#lightbox-image-details-currentNumber').hide();
				}else{
					$('#lightbox-image,#lightbox-image-details-currentNumber,#lightbox-image-details-caption').hide();
				}
			} else {
				// Hide some elements
				if(settings.type == 'gallery_products' ){
					$('#lightbox-image,#lightbox-nav,#lightbox-nav-btnPrev,#lightbox-nav-btnNext,#lightbox-image-details-currentNumber,#lightbox_prod_text').hide();
				}else{
					//$('#lightbox-image,#lightbox-nav,#lightbox-nav-btnPrev,#lightbox-nav-btnNext,#lightbox-image-details-currentNumber,#lightbox-secNav,#lightbox-image-details-caption').hide();
					
					$('#lightbox-image,#lightbox-nav,#lightbox-nav-btnPrev,#lightbox-nav-btnNext').hide();
				}
			}
			// Image preload process
			var objImagePreloader = new Image();
			objImagePreloader.onload = function() {
				if(settings.imageArray){
					var image_now = $('#lightbox-image').attr('src');
					if(image_now != undefined && image_now != ''){ //il controllo se e' vuoto serve per ie7
						image_now = '<img src="' + image_now + '" alt="" />';
					}else{
						image_now = '';
					} 
					if(settings.transition == 'fade' && settings.resize == false && !jQuery.browser.opera){
						$('#lightbox-image-fade').html(image_now).show();
						$('#lightbox-image').css({'display': 'none'});
					}else{
						$('#lightbox-image-fade').hide();
					}				
					$('#lightbox-image').attr('src', settings.imageRoot+settings.imageArray[settings.activeImage][0]);
				}
				// Perfomance an effect in the image container resizing it
				if(settings.type == 'gallery_products'){
					var width_contain = objImagePreloader.width + parseInt($("#lightbox_prod_text").width());
					_resize_container_image_box(width_contain, objImagePreloader.height);
				}else{
					_resize_container_image_box(objImagePreloader.width,objImagePreloader.height);
				}
				//	clear onLoad, IE behaves irratically with animated gifs otherwise
				objImagePreloader.onload=function(){};
			};
			
			if(settings.type=="text"){
				var contW = settings.widthFixed;
				$("#contentText div.contentTextInner").html(settings.contentText);
				$("#contentText div.contentTextInner").css({"width" : contW+'px'});	
				
				var topCont = $('#contentText').offset().top;
				var topContSucc = $('#contentTextFake').offset().top;
				
				$('#contentText').addClass("hidden");
				var contH = topContSucc - topCont;
				var heightStart = $('#lightbox-container-image-box').height();
				if(contH<heightStart)  contH = heightStart;
				_resize_container_image_box(contW, contH);
			}else{
				objImagePreloader.src = settings.imageRoot+settings.imageArray[settings.activeImage][0];
			}
		};
		/**
		 * 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();
			
			/* if(settings.type=='gallery_products'){
				var intWidth = widthFixed;
			}else{ */
				var intWidth = (parseInt(intImageWidth) + (settings.containerBorderSize * 2));  // Plus the image´s width and the left and right padding value
			//}
			
			var intHeight = (intImageHeight + (settings.containerBorderSize * 2) + $("#lightbox-container-image-data-box").height()); // Plus the image´s height and the left and right padding value
			// Diferences
			var intDiffW = intCurrentWidth - intWidth;
			var intDiffH = intCurrentHeight - intHeight;
			
			if(settings.type=='gallery_products'){
				if(intHeight<100){
					intHeight = 100;
				}
			}
			// Perfomance the effect
			if(settings.resize || settings.type=='text'){
				//se il ridimensionamento e' di pochi px l'animazione e' troppo lunga e si notano vibrazioni. percio' se il ridimensionamento e' inferiore a un tot e' piu' veloce l'animazione. se il ridimensionamento e' molto piccolo l'animazione dura 0 ms
				if(Math.abs(intDiffH)<=parseInt(20) && Math.abs(intDiffW)<=parseInt(20)){
					var speedAnim =  50;
				}
				if(Math.abs(intDiffH)<=parseInt(10) && Math.abs(intDiffW)<=parseInt(10)){
					var speedAnim =  0;
				}else if(Math.abs(intDiffH)>parseInt(20) && Math.abs(intDiffW)>parseInt(20)){
					var speedAnim = settings.containerResizeSpeed;
				}
							
				$('#lightbox-container-image-box').animate({ width: intWidth, height: intHeight },speedAnim,function() { _show_content(); });
				if ( ( intDiffW == 0 ) && ( intDiffH == 0 ) ) {
					if ( $.browser.msie ) {
						___pause(250);
					} else {
						___pause(100);	
					}
				}
				
				if(settings.type=="gallery_products"){
					var largeClose = intWidth;
					$('#lightbox-container-image-data-box').css({ width: largeClose+'px' });
				}else{
					$('#lightbox-container-image-data-box').css({ width: intWidth });
				}
				
				$('#lightbox-nav-btnPrev,#lightbox-nav-btnNext').css({ height: intImageHeight + (settings.containerBorderSize * 2) });
			}else{
				if(settings.openWhen==1){
					$('#lightbox-container-image-box').animate({ width: settings.widthFixed, height: settings.heightFixed },settings.containerResizeSpeed,function() { _show_content(); });
					if ( ( intDiffW == 0 ) && ( intDiffH == 0 ) ) {
						if ( $.browser.msie ) {
							___pause(250);
						} else {
							___pause(100);	
						}
					}
					settings.openWhen++;
				}else{
					_show_content();
				} 
			}
		};
		
		
		/**
		 * Show the prepared image
		 *
		 */
		function _show_content() {
			$('#lightbox-loading').hide();
			
			if(settings.type=='text'){
				$('#contentText').fadeIn();
				$("#contentText").removeClass('hidden');
				if(settings.titleText){
					$('#lightbox-image-details-caption').html('<h1>' + settings.titleText + '</h1>').show();
				}
				$("#contentTextFake").remove();
				$('#lightbox-secNav').show();	//mostra il tasto chiudi
			}else{
				if(settings.transition == 'fade'  && settings.resize == false  && !jQuery.browser.opera){
					$('#lightbox-image-fade').fadeOut('slow');
					$('#lightbox-image').fadeIn('slow', function() {
						_set_navigation();
						if(settings.type=='gallery'){
							$('#lightbox-secNav').show();	//mostra il tasto chiudi
						}
						if(settings.type=="gallery_products"){
							$('#lightbox-image').css({"display" : "inline"});
						}
					});
				}else{
					$('#lightbox-image').show();
					
					_set_navigation();
				}
				_show_image_data();
				_preload_neighbor_images();
			}
		};
		/**
		 * Show the image information
		 *
		 */
		function _show_image_data() {
			//$('#lightbox-container-image-data-box').slideDown('fast');
			if ( settings.imageArray[settings.activeImage][1] ) {
				if(settings.type=="gallery_products"){
					$('#lightbox_prod_text h1').html(settings.imageArray[settings.activeImage][1]).show();
				}else{
					$('#lightbox-image-details-caption').html(settings.imageArray[settings.activeImage][1]).show();
					if ( settings.imageArray[settings.activeImage][2] ) {
						$('<span>' + settings.imageArray[settings.activeImage][2] + '</span>').appendTo($('#lightbox-image-details-caption'));
					}
				}
				
			}
			if(settings.type=="gallery_products"){
				if ( settings.imageArray[settings.activeImage][2] ) {
					$('#lightbox_prod_text p').html(settings.imageArray[settings.activeImage][2]).show();
				}
				$('#lightbox_prod_text').show();
				
				var topCont = $('#lightbox_prod_text').offset().top;
				var topContSucc = $('#lightbox_prod_text_fake').offset().top;
				
				var heigthTextProd = topContSucc - topCont + settings.containerBorderSize;
				var heightImg = getE("lightbox-container-image-box").style.height; 
				
				if(heigthTextProd>parseInt(heightImg)){
					var heightImg2 = $("#lightbox-container-image img").height();
					var diffHeight = heigthTextProd-parseInt(heightImg2);
					$("#lightbox-image").css({ "padding-bottom" : diffHeight+'px'});
					$("#lightbox-container-image-box").animate({ height: heigthTextProd },settings.containerResizeSpeed);
				}
			}
			// 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();
			}		
		}
		/**
		 * 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({  'display' : 'block' });
			
			// Show the prev button, if not the first image in set
			if ( settings.activeImage != 0 ) {
				if ( settings.fixedNavigation  || navigator.userAgent.match(/iPad/i)  || jQuery.browser.msie) {
					$('#lightbox-nav-btnPrev').css({ 'background' : 'url(' + settings.imageBtnPrev + ') left 15% no-repeat' })
						.bind('click',function() {
							settings.activeImage = settings.activeImage - 1;
							_set_image_to_view();
							$('#lightbox-nav-btnNext, #lightbox-nav-btnPrev').unbind();
							return false;
						});
				} else {
					// Show the images button for Next buttons
					$('#lightbox-nav-btnPrev').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();
						$('#lightbox-nav-btnNext, #lightbox-nav-btnPrev').unbind();
						return false;
					}); 
				
				}
			}else{	//se siamo nella prima immagine nascondo il tasto prev
				$('#lightbox-nav-btnPrev').css({ 'display' : 'none' });
			}
			
			// Show the next button, if not the last image in set
			if ( settings.activeImage != ( settings.imageArray.length -1 ) ) {
				if ( settings.fixedNavigation || navigator.userAgent.match(/iPad/i)  || jQuery.browser.msie ) {
					$('#lightbox-nav-btnNext').css({ 'background' : 'url(' + settings.imageBtnNext + ') right 15% no-repeat', 'display' : 'block' })
						.bind('click',function() {
							settings.activeImage = settings.activeImage + 1;
							_set_image_to_view();
							$('#lightbox-nav-btnNext, #lightbox-nav-btnPrev').unbind();
							return false;
						});
				} else {
					// Show the images button for Next buttons
					$('#lightbox-nav-btnNext').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();
						$('#lightbox-nav-btnNext, #lightbox-nav-btnPrev').unbind();
						return false;
					}); 
				
				}
			}else{	//se siamo nell'ultima immagine nascondo il tasto next
				$('#lightbox-nav-btnNext').css({ 'display' : 'none' })
			}
			// 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.imageRoot+settings.imageArray[settings.activeImage + 1][0];
			}
			if ( settings.activeImage > 0 ) {
				objPrev = new Image();
				objPrev.src = settings.imageRoot+settings.imageArray[settings.activeImage -1][0];
			}
		}
		/**
		 * Remove jQuery lightBox plugin HTML markup
		 *
		 */
		function _finish() {
			settings.openWhen = 1; //riporta a 1 la variabile che controlla se e' la 1 volta che effettua il ridimensionamento
			$('#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' });
		}
		/**
		 / 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);
		 };
		// Return the jQuery object for chaining. The unbind method is used to avoid click conflict when the plugin is called more than once
		return this.unbind('click').click(_initialize);
	};
})(jQuery); // Call and execute the function immediately passing the jQuery object