The script will spider your website and create search engine database.
To display search form and search results,
you only need to add two lines of PHP code.
Search results can include webpage title, URL,
and a relevant excerpt with searched words emboldened.
The appearance is controlled by templates.
Other features:
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Advanced search includes "at least one of these words",
"all of these word", and "none of these words" fields.
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The script recognizes word forms.
For example, if you enter "dive" in the search form
the script will also be looking for "dives", "dived", and "diving".
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The script can exclude site navigation from search.
The reason why you might want to do so is
that the text contained in the site navigation is present on all pages
no matter whether they are relevant or not.
If you use header and footer files
you can mark the points where the script should start and end extracting text.
Search engines 
