function changetype(type) {
    switch (type) {
        case 'fromUK':
            //unhide flights panel if it exists, otherwise we must not be on the seach page so switch to it.
            if (document.getElementById('UKFlights')) {
                document.getElementById('nonUKFlights').style.display = 'none';
                document.getElementById('toUKFlights').style.display = 'none';
                document.getElementById('UKFlights').style.display = 'block';
            } else {
                hide('fltUKNE');
                show('PleaseWait');
                document.location.href = 'http://www.uknetguide.co.uk/Travel/Flight_Search/'
            }
            break;
        case 'toUK':
            //unhide flights panel if it exists and is not hidden, otherwise we must not be on the seach page so do nothing.
            if (document.getElementById('nonUKFlights') && document.getElementById('toUKFlights').style.display == 'none') {
                document.getElementById('UKFlights').style.display = 'none';
                document.getElementById('nonUKFlights').style.display = 'none';
                document.getElementById('toUKFlights').style.display = 'block';
            }
            break;

        case 'nonUK':
            //unhide flights panel if it exists and is not hidden, otherwise we must not be on the seach page so do nothing.
            if (document.getElementById('nonUKFlights') && document.getElementById('nonUKFlights').style.display == 'none') {
                document.getElementById('UKFlights').style.display = 'none';
                document.getElementById('toUKFlights').style.display = 'none';
                document.getElementById('nonUKFlights').style.display = 'block';
            }
            break;
    }
}