Fred,
Their server is set to be case sensitive so those links won't work as posted. The "CA" and the "C" of coin must be capitalized for the link to work.
Below is what the links need to look like to operate properly.
Copy link and paste into new browser window:
Code:
http://www.cfrhn.com/CA/Coin/customer.php
http://www.cfrhn.com/CA/Coin/publicorder.php