function validateForm(contact)
{

if(""==document.forms.contact.nome.value)
{
alert("Please fill in the field NAME. Thank you");
return false;
}

if(""==document.forms.contact.cognome.value)
{
alert("Please fill in the field SURNAME. Thank you");
return false;
}

if(""==document.forms.contact.email.value)
{
alert("Please insert a valid EMAIL address. Thank you");
return false;
}

if(""==document.forms.contact.telefono.value)
{
alert("Please fill in the field PHONE. Thank you");
return false;
}

}