Menù a tendina con collegamento al click

<!-- Prova Menù Tendina -->
<script type="text/javascript">
var theTarget = "_blank";
function goThere(){
if(!document.theForm.theMenu.selectedIndex==""){
window.open(document.theForm.theMenu.options[document.theForm.theMenu.selectedIndex].value,theTarget,"");}}
</script>

<form name="theForm">
<select name="theMenu" size=1 onChange="goThere()">
<option selected value="">Vai alla pagina...
<option value="/?f=4114270">Presentazioni
<option value="/?f=4114272">Bacheca e supporto
</select>
</form>
<!-- Prova Menù Tendina -->