You might want to include that in your instructions and leave out the zero length file

I figured out what you were trying to do in the template and I modified your template to use the existing variables in the dosearch.php file (so there is no need to edit the dosearch.php).
In your template you had:
I replaced it with:
You can
see the results here 
I created a copy of dosearch.php and named it dabuzz.php because I thought I might have to change the way dosearch.php works, but it wasn't necessary. The only advantage I have with the new file is calling the new template.
You might be able to reduce this hack to just a template
