This plugin may be used as a replacement of the searchbox function.
The plugin allows definition of search keywords.
language
In admin area use the language for definition of desired search keywords.
There are 10 fields ready. If you need more/less of them, you must edit the language file
(add/delete more lines with corresponding numbers)
and you also need to add/delete more "option" lines in the index.php of the plugin.
configuration
In configuration you may set the width of the option box and the submit button.
Search button type
To change the standard text button to an image button open and edit the index.php.
The file is commented, so you can easily make the changes.
The tata_search function may be used in the template: