function validate_required( field, alerttxt )
{
    with (field)
    {
        if (value==null||value=="")
        { 
            alert(alerttxt);
            return false;
        }
            else 
            {
                return true;
            }
    }
}

function validate_form(thisform)
{
    thisform.submit();
    return;

    with (thisform)
    {
        if (validate_required( nume, "Va rugam sa introduceti numele.")==false )
        {
            email.focus();
            return false;
        }

        if ( validate_required(adresa, "Va rugam sa introduceti adresa de email.")==false )
        {                              
            adresa.focus();
            return false;
        }

        if ( validate_required(telefon, "Va rugam sa introduceti un numar de telefon la care puteti fi contactat.")==false )
        {
            telefon.focus();
            return false;
        }
    }
}