public static ImageLoader CreateImageLoaderInstance(Context context)
		{
			if (_instance == null) {
				lock (lockHelper) {
					if (_instance == null)
						_instance = new ImageLoader (context);
				}
			}
			return _instance;
		}
 public PhotosLoader(PhotoToLoad photoToLoad, ImageLoader _imageLoader)
 {
     this.photoToLoad = photoToLoad;
     imageLoader      = _imageLoader;
 }
 public BitmapDisplayer(Bitmap b, PhotoToLoad p, ImageLoader _imageLoader)
 {
     bitmap      = b;
     photoToLoad = p;
     imageLoader = _imageLoader;
 }
		public	PhotosLoader(PhotoToLoad photoToLoad,ImageLoader _imageLoader){
			this.photoToLoad=photoToLoad;
			imageLoader = _imageLoader;
		}
		public BitmapDisplayer(Bitmap b, PhotoToLoad p,ImageLoader _imageLoader){
			bitmap=b;
			photoToLoad=p;
			imageLoader = _imageLoader;
		}