function clicca(azienda){
if(azienda != ""){
var url = "/conta-click.asp?id="+azienda+"&cosa=banner";
self.location.href = url;
document.images.intro.src = url;}}

function Modifica() {
obj = document.getElementById('cosax'); 
if (obj.style.display == "none") {
obj.style.display = "block";} else {
obj.style.display = "none";}}
function pulisci(){
cosa = document.search_form.s.value;
if (cosa == 'Ricerca') {
document.search_form.s.value = "";
document.search_form.s.focus;}}
function riempi(){
cosa = document.search_form.s.value;
if (cosa == '') {
document.search_form.s.value = "Ricerca";}}
function cambia (mio){
document.getElementById('searchTypeValue_Header').innerHTML = mio;
document.search_form.selezione.value = mio;
Modifica();}

var state = 'none'; 

function showhide(layer_ref) { 

if (state == 'block') { 
state = 'none'; 
} 
else { 
state = 'block'; 
} 
if (document.all) { //IS IE 4 or 5 (or 6 beta) 
eval( "document.all." + layer_ref + ".style.display = state"); 
} 
if (document.layers) { //IS NETSCAPE 4 or below 
document.layers[layer_ref].display = state; 
} 
if (document.getElementById &&!document.all) { 
hza = document.getElementById(layer_ref); 
hza.style.display = state; 
} 
}