gistfile1.txt

if (imageCache[filename])
{
    self.beginBitmapFill(imageCache[filename]);
    self.moveTo(x, y);
    self.lineTo(x+width, y);
    self.lineTo(x+width, y+height);
    self.lineTo(x, y+height);
    self.lineTo(x, y);
    self.endFill();
}
else
{
    var imageHolder = self.createEmptyMovieClip("cheese", 999),
        loaderCallback = new Object(),
        redrawFunction = self.execute;
        
    loaderCallback.onLoadComplete = function() {
        var bmd = new BitmapData(imageHolder._width, imageHolder._height, true, 0); 
        bmd.draw(imageHolder);
        imageHolder.unloadMovie();
        imageCache[filename] = bmd;
        redrawFunction(codesString, imageCache);
    };

    var loader = new MovieClipLoader();
    loader.addListener(loaderCallback);
    loader.loadClip(filename, imageHolder);
}