Get multiple Captcha images, minimum five (5), making
sure they are all different.
Use a random number to choose which image to show the
user when the page is viewed.
If the user submits the matching character string, then
give them a link to your A4 or A5 web page.
otherwise, let them try again, BUT WITH A NEW CAPTCHA
IMAGE randomly chosen from the five (or more)!
Keep track of the number of unsuccessful attempts, and
display this number on the web page.
Grading: Total 100 pt.s. The
usual grading scale (i.e., 90 to 100 pt.s is an A, 80 to 89 pt.s is a
B, etc.)
Turn-in Procedure: Put your web pages on
the web (use your myweb.nmu.edu web site or your own web server account
if you have one). Email me the URL for this assignment: (jhorn@nmu.edu). Keep it
"secret"! Use an obscure URL.