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I have been playing with merlyn's original code, and caught this (thanks to those helpful monks on CB). I have some ideas around this, which may do one better than PayPal and Yahoo's schemes.
  • What if you had an image, an animated .gif file of two layers, where the image "shifted" every 2 seconds by one pixel to the left/right/diagonal?

  • What about using a transparent .png file, where the pixels that make up the "visible" letters/numbers on the image are actually spread randomly across several layers in the image? Basically like painting on several layers of glass, then stacking them up and looking through them.

  • How about an image where the entire image was transparent, but the bgcolor of the page, rendered with CSS changed to make the image lettering "visible" in that <div> tag when the user hovered over that section?

Just a few ideas, but then again.. anyone who would try to stuff the ballots on a poll system (versus a login/authentication system) would probably not go to this length... unless that person were jcwren of course.

In reply to Re: A little fun with merlyn by hacker
in thread A little fun with merlyn by jcwren

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