(function($) {
    //Globals
    var href;

    /**
    * $ 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 images
            imageLoading: '/img/master/modalloader.gif', 	// (string) Path and the name of the loading icon
            imageBtnClose: '../lib/images/exitnotice/btnclose.gif', 	// (string) Path and the name of the close btn
            imageBlank: '', 		// (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: 350, 	// (integer) Specify the resize duration of container image. These number are miliseconds. 400 is default.
            // 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.
            popupHeight: 460,
            popupWidth: 500
        }, settings);

        /**
        * Initializing the plugin calling the start function
        *
        * @return boolean false
        */
        function _initialize() {
            _start(this); // 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) {
            // Hide some elements to avoid conflict with overlay in IE. These elements appear above the overlay.
//            $('embed, object, select').css({ 'visibility': 'hidden' });
            $('embed, object, select').hide();

            // Call the function to create the markup structure; style some elements; assign events in some elements.
            _set_interface();

            href = objClicked.getAttribute('href');

            // Call the function that prepares image exibition
            _set_image_to_view();
        }

        function _set_interface() {

            // 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"><div id="lightbox-image"><div style="height:400px" 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-secNav-btnClose"><input id="lightbox-secNav-btnClose-image" name="lightbox-secNav-btnClose-image" type="image" src="' + settings.imageBtnClose + '"></div></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"><div id="lightbox-container-header"><div id="lightbox-secNav-btnClose"><input id="lightbox-btnClose" alt="Close" name="lightbox-btnClose" type="image" src="' + settings.imageBtnClose + '" class="imgbtn popupCloseCancel"></div></div><div id="lightbox-loading"></div><div id="lightbox-image"></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();

            // Assign the _finish function to lightbox-loading-link and lightbox-secNav-btnClose objects
            $('#lightbox-loading-link,#lightbox-secNav-btnClose-image,#lightbox-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]
                });
            });
        }
        /**
        * Prepares image exibition; doing a imageīs preloader to calculate itīs size
        *
        */

        function _set_image_to_view() { // show the loading

            // Show the loading
            $('#lightbox-loading').show();
            // Hide some elements
            $('#lightbox-image,#lightbox-nav,#lightbox-nav-btnPrev,#lightbox-nav-btnNext,#lightbox-container-image-data-box,#lightbox-image-details-currentNumber').hide();

            //Get the page
            $.get(href, {},
              function(data) {
                  _show_image(data);



              });

            _resize_container_image_box(settings.popupWidth, settings.popupHeight);
        };
        /**
        * Perfomance an effect in the image container resizing it
        *
        * @param integer intImageWidth The imageīs width that will be showed
        * @param integer intImageHeight The imageīs 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 imageīs width and the left and right padding value
            var intHeight = (intImageHeight + (settings.containerBorderSize * 2)); // Plus the imageīs height and the left and right padding value
            // Diferences
            var intDiffW = intCurrentWidth - intWidth;
            var intDiffH = intCurrentHeight - intHeight;
            // Perfomance the effect
            $('#lightbox-container-image-box').animate({ width: intWidth, height: intHeight }, settings.containerResizeSpeed, function() { });
            if ((intDiffW == 0) && (intDiffH == 0)) {
                if ($.browser.msie) {
                    ___pause(250);
                } else {
                    ___pause(100);
                }
            }
            $('#lightbox-nav-btnPrev,#lightbox-nav-btnNext').css({ height: intImageHeight + (settings.containerBorderSize * 2) });
            $('#lightbox-container-image-data-box').css({ width: intImageWidth });
        };
        /**
        * Show the prepared image
        *
        */
        function _show_image(data) {
            $('#lightbox-loading').hide();
            $('#lightbox-image').fadeIn(function() {
                $('#lightbox-image').hide();
                $('#lightbox-image').append(data);
                $('#lightbox-image').fadeIn("slow");
                $("#lightboxbtnNo").click(function() {
                _finish();
                return false;
            }   );
            });
        };
        /**
        * Display the button navigations
        *
        */
        function _set_navigation() {
            $('#lightbox-nav').show();

            // Instead to define this configuration in CSS file, we define here. And itīs need to IE. Just.
            $('#lightbox-nav-btnPrev,#lightbox-nav-btnNext').css({ 'background': 'transparent url(' + settings.imageBlank + ') no-repeat' });

            // Enable keyboard navigation
            _enable_keyboard_navigation();

            //click event
            //			$('#lightbox-nav').bind('click',function() {
            //					return false;
            //				});
            //				
            //			$('#lightbox-secNav').bind('click',function() {
            //					alert('lightbox-secNav');
            //					return false;
            //				});	
        }
        /**
        * 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() {
            $(document).unbind();
        }
        /**
        * Perform the keyboard actions
        *
        */
        function _keyboard_action(objEvent) {
            // To ie
            if (objEvent == null) {
                keycode = event.keyCode;
                escapeKey = 27;
                // To Mozilla
            } else {
                keycode = objEvent.keyCode;
                escapeKey = objEvent.DOM_VK_ESCAPE;
            }
            // Get the key in lower case form
            key = String.fromCharCode(keycode).toLowerCase();
            // Verify the keys to close the ligthBox
            if ((key == settings.keyToClose) || (key == 'x') || (keycode == escapeKey)) {
                _finish();
            }
        }
        /**
        * Show the image information
        *
        */
        function _show_image_data() {
            //$('#lightbox-container-image-data-box').slideDown('fast');
            //$('#lightbox-image-details-caption').hide();	
        }
        /**
        * 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' });
           // $('embed, object, select').show();
           $('embed, object, select').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);
        };
        // 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