I have changed the script from Milky.
Most notably, if you pressed the copy button too long, the original script switched WLAN too often. Now the script will wait until you release the button.
Secondly, blinking the power led proved to be much easier. It now blinks faster.

With the new script you can press the copy button, wait until you see the power led burn contstantly or start blinking, and release.

See the first message in this thread:
http://wl500g.info/showthread.php?t=14517

Marc