redmine/public/javascripts/select_list_move.js

function moveOptions(theSelFrom, theSelTo) {
  $(theSelFrom).find('option:selected').detach().prop("selected", false).appendTo($(theSelTo));
}

function moveOptionUp(theSel) {
  $(theSel).find('option:selected').each(function(){
    $(this).prev(':not(:selected)').detach().insertAfter($(this));
  });
}

function moveOptionTop(theSel) {
  $(theSel).find('option:selected').detach().prependTo($(theSel));
}

function moveOptionDown(theSel) {
  $($(theSel).find('option:selected').get().reverse()).each(function(){
    $(this).next(':not(:selected)').detach().insertBefore($(this));
  });
}

function moveOptionBottom(theSel) {
  $(theSel).find('option:selected').detach().appendTo($(theSel));
}

function selectAllOptions(id) {
  $('#'+id).find('option').prop('selected', true);
}