var TREE_NODES = [
  ['ZŠIS', 'zsis/zsis.htm', 'mainframe', 
    ['About us', 'zveza/zveza.htm', 'mainframe'], 
    ['Organisation', 'zsis_eng/org/org.htm', 'mainframe']], 
  ['SPORT', 'sport/sport.htm', 'mainframe'], 
  ['LINKS', 'povezave/povezave.htm', 'mainframe'], 
  ['PARTNERS', 'partnerji/partnerji.htm', 'mainframe'], 
  ['CONTACTS', 'zsis/contacts.htm', 'mainframe']
];