ash

    // 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];

      }

    }

    /**

     * 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' });

    }

    /**

     / 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;  

      }