function gui_loadTab(nr_)
{
  gui_currentDialog.tabControl.value=nr_;
  gui_currentDialog.submit();
}

function gui_triggerCallbackButton(name_, value_)
{
  document.forms.gui_CallbackButtonForm.callbackButtonName.value=name_;
  document.forms.gui_CallbackButtonForm.callbackButtonValue.value=value_;
  document.forms.gui_CallbackButtonForm.submit();
}

function displayNavigation(id_)
{
  document.getElementById('navigationNode'+id_).className='hovered';
  if ((subNavigation=document.getElementById('subNavigation'+id_)))
    subNavigation.style.display='block';
  if ((currentNode=document.getElementById('currentNode'+id_)))
    currentNode.style.display='none';
}

function hideNavigation(id_)
{
  document.getElementById('navigationNode'+id_).className='';
  if ((subNavigation=document.getElementById('subNavigation'+id_)))
    subNavigation.style.display='none';
  if ((currentNode=document.getElementById('currentNode'+id_)))
    currentNode.style.display='block';
}