Scorpion666
HTML код:

<html>
<script>
function Change()
{
if(s.style.display!="none")
{
s.style.display="none";
i.style.display="block";
}
else
{
s.style.display="block";
i.style.display="none";
}
}
</script>
<body>
<form>
<input style="display:none;width:100" id=i type=text onblur=Change()>
<select style="width:100" id=s onmousedown=Change()>
<option>ddd
<option>ddd
</select>
</form>
</body>
</html>
развивайте идею...