function setDefaults(){
	if(document.getElementById('flight_via').checked == true){
			document.getElementById('flight_panel_start').action = 'http://viaberlin.fly.de/searchpanel_new.php';
			document.getElementById('flight_panel_start').method = 'post';
			document.getElementById('dap1').name = 'departure';
			document.getElementById('aap1').name = 'arrival';
		}
	else if(document.getElementById('flight_to').checked == true){
			document.getElementById('flight_panel_start').action = 'http://www.viaberlin.com/EN/Fluege/Flugsuche1010';
document.getElementById('flight_panel_start').method = 'get';
			document.getElementById('dap1').name = 'dap1';
			document.getElementById('aap1').name = 'aap1';
		}
}
function resetText(target){
	document.getElementById(target).value = '';
}
// **********************************************************************
// Prüft ob ein Flug von und nach Berlin eingegeben wurde
function checkAirports (from, to, lang) {
  airports = Array ("Berlin", "Tempelhof", "Tegel", "Schönefeld", "Schoenefeld", "Schonefeld");
  from_apt = false;
  to_apt = false;
  for (var i = 0; i < airports.length; ++i) {
    if (airports[i].toLowerCase() == from.toLowerCase()) from_apt = true;
    if (airports[i].toLowerCase() == to.toLowerCase()) to_apt = true;
  } // for
  if  (from_apt && to_apt) {
    text = (lang == 'en') ? 'Please, check your selection.' : 'Bitte prüfen Sie Ihre Auswahl.';
    alert (text);
    return false;
  } else {
    return true;
  } // else if
} // checkAirports ()