This contributions uses a combination of different libraries (including google) to provide spell checks using Ajax for your textarea fields. The provided example shows on how to integrate the spell checker into the contact form of OsCommerce store.

As a result you will have a nice spell check icon to click it. After clicking it the text will be checked for spelling mistakes using Ajax, instantly. Just like at Google mail and other services.

See demo.

The spell checker can be added to any text area on any page.

Note - This code requires PHP 4.3 or higher to work correctly.
This contribution could be adapted on any OsCommerce modification (CRELoaded, OscMax, ZenCart etc.) and to any additional contributions installed.