Adobe flash CS5 -Actionscript 3.0 -Using bone tool

1) Open Flash Professional CS5
2)  File ->New->ActionScript 3.0
3) click T in tools, type Lu in the first text box, type Jiansen in the second text box
4) click bone tool in tools panel , right click Lu in the first text box,  convert to symbol , select  movie clip,
right click jiansen in the second text box, convert to symbol , select  movie clip.
5) Click the first text box and drag a line to second text box, you can see a thick line (axis)
6) click arrow (selection tool) in tool panel, you can rotate the axis and you can see two layers:
Armerture_8 and Layer1
7) in timeline 20, hightlight layers: Armerture_8 and Layer1, right click mouse, insert frame 
click arrow (selection tool) in tool panel, you can rotate the axis
similarly in timeline 40, rotate back.
8) Control->Test Movie->in Flash Professional or (Ctrl enter)
you can watch swf file
9) File->Export->Export Movie, save as bone1.swf
You can also import a jpg picture, in main menu, click modify and select break apart
and use lasso tool to get different parts for your animation.
10) My result: