最近做项目需要在屏幕右下角滚动出一个类似QQ，MSN的消息框，找了N久，终于找到了一个满意的，故贴出来以防以后要用时又找不到。-Recent projects require the lower-right corner of the screen rolling out a similar QQ, MSN s message box, find the N a long time, finally found a satisfactory, they were posted to prevent future use, they can not find.