function setupTypeSelect() {
  var typeselect = document.getElementById('type');
  addEvent (typeselect, 'change', typeselect_change, false);
}

function typeselect_change() {
  var typeselect = document.getElementById('type');

  if (typeselect.value == 'collect') {
    toggleDisplay('regioncontrols','show')
    toggleDisplay('costcontrols','hide')
  } else {
    toggleDisplay('regioncontrols','hide');
    toggleDisplay('costcontrols','show');
  }
  if (typeselect.value == 'priceband') {
    toggleDisplay('bandcontrols','show')
  } else {
    toggleDisplay('bandcontrols','hide');
  }
}

// When the page loads, set up the rollovers
addEvent (window, 'load', setupTypeSelect, false);