一个不错的FLASH源码，利用MASK代替鼠标，背景用一张漂亮的位图，再用一个半透明有色前景，鼠标移到的地方就把清晰的背景显示出来~~并且能选择前景颜色.-FLASH a good source, instead of using the mouse MASK, with a beautiful background bitmap, and then a translucent colored prospects, the mouse moved to put a clear backgroun