I have actualy noted some highlighting issues...
Even with changing the:
PHP Code:
$codebit=ereg_replace("([\r\n\\(\\)>, .])$keyword([\r\n <,.$\\(\\)])","\\1<font color=\"#FF0000\">$keyword</font>\\2",$codebit);
to
PHP Code:
$codebit=eregi_replace("([\r\n\\(\\)>, .])$keyword([\r\n <,.$\\(\\)])","\\1<font color=\"#FF0000\">$keyword</font>\\2",$codebit);
See the attached screenshot. I am going t go through and make it case insensative, and allow you to specify CSS colors (and then we can extend it for other languages...)