<script language="JavaScript">
function showHolder() {
document.getElementById('do_ans').style.display = '';
document.getElementById('to_delete').style.display = 'none';
}
</script>
<a href="#" id="to_delete" onclick="showHolder()">show</a>
<div id="do_ans" style="display:none;">	
<form method="post" action="" name="supform" >
<input type="hidden" name="resp" value="answers" >
<textarea name="supresp" id="do_ans" class="textarea"></textarea>
<label for="enter">&nbsp;</label>
<input type="submit" id="do_ans" class="submit" value="Ответить" tabindex="1" title="Ответить">
</form>	
</div>