function SendRequest () {
    // open window for email
    var width = 400;
    var height = 400;
    var top = (screen.height - height)/2;
    var left = (screen.width - width)/2;
    
    window.open(
        'request.php',
        '',
        'scrollbars=no,' +
        'menubar=no,' +
        'top=' + top + ',' +
        'left=' + left + ',' +
        'height=' + height + ',' +
        'width=' + width + ',' +
        'resizable=yes,' +
        'toolbar=no,' +
        'location=no,' +
        'status=no'
    );
}

function GetPhoneNum () {
    document.getElementById('call_me').style.display = '';
    document.getElementById('phone_num').focus();    
}

function SendPhoneNum () {
    var phone_num = document.getElementById('phone_num').value;    
    if (phone_num == '') alert("Telefonnr. kan ikke være tomt.");
    else {
        document.getElementById('call_me').style.display = 'none';
        document.location = "./phonenum.php?phone=" + phone_num;
    }
}