Search not working

When I search for anything on my site it always says that there are no results. Heres my site: http://www.bf-06.com
and heres my search code:
<form method=”get” id=”searchform” action=”<?php echo $_SERVER[‘PHP_SELF’]; ?>”>
<div class=”searchbox”>
<label for=”s”>Find:</label>
<input type=”text” value=”<?php echo wp_specialchars($s, 1); ?>” name=”s” id=”s” size=”14″ />
<input type=”hidden” id=”searchsubmit” value=”Search” />
</div>

Is there anything wrong there that might be screwing it up?