This applet design by prof Hwang, i just modified layout.
Original applet [url=]illusion_ponzo effect[/url]

Are those two yellow bars the same width?

You can drag more from the top one (Up to 10 bars).

/htdocs/ntnujava/ejsuser/37048/users/egy/ahmed/illusion_ponzo2_pkg/illusion_ponzo2.propertiesFull screen applet or Problem viewing java?Add to exception site list
Press the Alt key and the left mouse button to drag the applet off the browser and onto the desktop. This work is licensed under a Creative Commons Attribution 2.5 Taiwan License
Download EJS jar file(713.5kB):double click downloaded file to run it. (4 times by 4 users) , Download EJS source View EJS source