/* two-level TONIKUM navigation bar
   author: Hartmut Schirmacher, hartmut@tonikum.org
   using dhtml library from selfhtml.teamone.com */

/* color for the elements of the navigation bar */
var naviColor = new Array("#ff9937", "#3737cc", "#b2b2b2");

/* select an element in navigation row 1 (show menu in row 2) */
/* switch to initial state of navigation bar */
function NaviInit() {
  Navi1_Off('1');
  Navi1_Off('2');
  Navi1_Off('3');
  Navi2_HideAll();
}
/* highlight an element in navigation row 1 */
function Navi1_On(number) {
  document.getElementById('a_navi' + number).style.color = naviColor[number-1];
}
/* un-highlight an element in navigation row 1 */
function Navi1_Off(number) {
  document.getElementById('a_navi' + number).style.color = 'black';
}
/* show a submenu in navigation row 2 */
function Navi2_ShowMenu(number) {
/* document.getElementById().style.visibility = 'visible'; */
 if(DOM || MS)
  getElem("id",'sub' + number,null).style.visibility = "visible";
 if(NS)
  getElem("id",'sub' + number,null).visibility = "show";
}
/* hide a submenu in navigation row 2 */
function Navi2_HideMenu(number) {
/*  document.getElementById('sub' + number).style.visibility = 'hidden'; */
 if(DOM || MS)
  getElem("id",'sub' + number,null).style.visibility = "hidden";
 if(NS)
  getElem("id",'sub' + number,null).visibility = "hide";
}
/* hide all submenus in navigation row 2 */
function Navi2_HideAll() {
  Navi2_HideMenu('1');
  Navi2_HideMenu('2');
  Navi2_HideMenu('3');
}
/* highlight an element in the current submenu of navigation row 2 */
function Navi2_On(name) {
}
/* un-highlight an element in the current submenu of navigation row 2 */
function Navi2_Off(name) {
}

function Navi11on() {
/*    NaviInit(); */
    Navi1_On('1');
    Navi2_ShowMenu('1');
}