Pure Javascript Spell Checker
This Javascript based spell checker is capable of finding errors in your input fields with the ease of a few clicks. It supports embedded HTML tags ( as on WYSIWYG text editors) and can be configured to work on multiple languages. It also provides a grammar check option that allows you to find punctuation and capitalization errors in the same text. The spell checker does not require PHP, ASP or any server side language to run. The only requirement is to include an empty iframe that is loaded with the contents of a simple html page containing the words. The script can be configured to only attempt to load the words into the iframe once the user clicks on start the spell check (to allow for uninterrupted loading of the webpage). Or it can allow you to preload the dictionary of words as soon as the webpage is loading.