on ('text') open div id="('text')"

I'm doing, what you would call, a search box.
This is what I'm trying to do.


(This is the normal way to do it, make a link, then the div id matching will be opened.)<td width="43"><DIV onclick="show('1')">TEXT</DIV></td>



(But I want a text box, so people can write, ex: lost and then the div id lost will be opened.)
<form>
  <div>
    <input type="text" size="31" />
    <input onclick="show('-the text that has been written in the text box-')" src=" " type="image"/>
  </div>
</form>
</div>

<tr><TD><DIV id=1 style="DISPLAY: none;">

<div style="width:100%; height: 100%; background-color:#000; filter:alpha(Opacity=80); -moz-opacity:.8; opa ...