var _CSS_CLASS_HIDDEN = 'hidden';
var _CSS_CLASS_REL = 'rel';
var _GALLERY_OFFSET = 0;
var _THUMBS = null;
var _SCREENSIZE_SMALL = 960;
var _SCREENSIZE_LARGE = 1280;
var _BASE_SCREEN = _SCREENSIZE_SMALL;
var _ZOOMED = false;
var _ID_PHOTO = 'photo';
var _ID_PHOTO_INTRO = 'photo-intro';
var _ID_PHOTO_CONTAINER = 'photo-container';
var _ID_PHOTO_CONTAINER_EFFECT = 'photo-container-effect';
var _ID_SHROUD = 'shroud';
var _ID_THUMBNAILS = 'thumbnails';
var _LOCK_TRANSITION = false;
var _PHOTO_SIZE = { width: 0, height: 0 };
var _PHOTO_DRAG = null;

var _KEY_CODE_LEFT = 37;
var _KEY_CODE_RIGHT = 39;
var _INTRO_INT = null;
var _INTRO_OFFSET =0;
var _INTRO_COUNT;

var _ZOOM_CLOSE = [];
var _ZOOM_COUNT = 11;
var _ZOOM_SRC_PREFIX = '/images/zoom-close-';
var _ZOOM_SRC_SUFFIX = '.png';
var _ZOOM_OFFSET = 0;

var _THUMB_WIDTH;

var _SCROLL_LOCK = false;
var _SCROLL_TIMER = null;

var _TEMP_IMAGE = null;
var _TEMP_TIMEOUT = null;

var _MOUSE_TRACK_LOCK = false;
var _ARROWS_HIDDEN = false;

var _LAST_THUMB = null;
var _FIRST_LOAD = true;

var _PHOTO_EXTRA_MARGIN = 0;