function check_empty(text) {
return (text.length > 0); // returns false if empty
}
function check_email(address) {
if ((address == "")
|| (address.indexOf ('@') == -1)
|| (address.indexOf ('.') == -1))
return false;
return true;
}
function validate_form2() {
validity = true; // assume valid
if (!check_empty(document.form.name.value))
{ validity = false; alert('Name field is empty!'); }
if (!check_empty(document.form.lastname.value))
{ validity = false; alert('Last Name field is empty!'); }
if (!check_empty(document.form.address.value))
{ validity = false; alert('Address field is empty!'); }
if (!check_empty(document.form.telefono.value))
{ validity = false; alert('Telephone field is empty!'); }
if (!check_email(document.form.email.value))
{ validity = false; alert('Email address is invalid!'); }
if (validity)
alert ("THANK YOU."
+ "We will send you further information"
+ " as soon as possible.");
return validity;
}
function scrivi() {
document.write(""); }
function scrivi2() {
document.write(""); }
function scrivi3() {
document.write(""); }
function scrivi4() {
document.write(""); }