Code help please-Button link dont work firefox.

[romano1]

<div class="tu_fake">      
<input type="file" name="nfo" onchange="FromNfoo(this.value)" class="tu_fake_file" size="60" />      
<div class="tu_fakeinput">           
<div class="tu_in_fakeinput" id="tuh">
</div>           
<a href="#nogo" class="tu_file_button">Search</a>      
</div> </div>

I have this code in my tracker source but the search link doesn't work in Firefox. If I click the box, yes it opens, but not the link.