<!--
function Conferma(){
var f = document.form_ricerca1

//if (f.accetto.checked == 1)
//{
//NewWindow=window.open('about:blank','richiesta','resizable=no,width=300,height=250,status=no,location=no,toolbar=no'); 
//NewWindow.focus();
//void(0);
//modulo.submit();
//}
if (f.marca.value == "" && f.prodotto.value == ""){
alert("You did not make any selection !")
//f.marca.focus();
//f.marca.select();
return false;
}


if (isNaN(f.anno.value))
{
alert("The year was not entered in the right format! Be sure it is a number!")
f.anno.focus();
//f.annoo.select();
return false;
}

if (f.anno.value > 2020) {
alert("Invalid year!")
f.anno.focus();
//f.giorno.select();
return false;
}

if (f.anno.value.length < 4  && f.anno.value != "")
{
alert("The year must have 4 digits!")
f.anno.focus();
//f.annoo.select();
return false;
}

//if (document.form3.intercamb.lenght < 2)
//{
//alert("troppo poco!")
//f.intercamb.focus();
//return false;
//}




return true;
}
//-->

//-------------------------------------------------------------------------------------------
<!--
function Conferma2(){
var f = document.form2



if (f.articolo.value.length < 4)
{
alert("Warning! Enter at least 4 characters to start searching!")
f.articolo.focus();
//f.annoo.select();
return false;
}




return true;
}
//-->
//-------------------------------------------------------------------------------------------
<!--
function Conferma3(){
var f = document.form3



if (f.intercamb.value.length < 4)
{
alert("Warning! Enter at least 4 characters to start searching!")
f.intercamb.focus();
//f.annoo.select();
return false;
}




return true;
}
//-->