MediaWiki:If-NavBar.js

Hywys: Nôch dyner Änderig muess no der Browser-Cache gleert wärde!
Mozilla/Safari/Konqueror: Strg-Umschalttaste-R (oder Umschalttaste drückt halte und uf’s Neu-Laden-Symbol klicke), IE: Strg-F5, Opera/Firefox: F5

 var NavigationBarHide = 'Zueklappe ▲';
 var NavigationBarShow = 'Ufklappe ▼';
 if (document.URL.indexOf("Recentchanges") < 0) {var NavigationBarShowDefault = 1;}
 else {var NavigationBarShowDefault = 0;}
 function toggleNavigationBar(indexNavigationBar) {
  var NavToggle = document.getElementById("NavToggle" + indexNavigationBar);
  var NavFrame = document.getElementById("NavFrame" + indexNavigationBar);
  if (!NavFrame || !NavToggle) {return false;}
  if (NavToggle.firstChild.data == NavigationBarHide) {
   for (var NavChild = NavFrame.firstChild; NavChild != null; NavChild = NavChild.nextSibling) {
    if (NavChild.className == 'NavPic') {NavChild.style.display = 'none';}
    if (NavChild.className == 'NavContent') {NavChild.style.display = 'none';}
    if (NavChild.className == 'NavToggle') {NavChild.firstChild.data = NavigationBarShow;}
   }
  }
  else if (NavToggle.firstChild.data == NavigationBarShow) {
   for (var NavChild = NavFrame.firstChild; NavChild != null; NavChild = NavChild.nextSibling) {
    if (NavChild.className == 'NavPic') {NavChild.style.display = 'block';}
    if (NavChild.className == 'NavContent') {NavChild.style.display = 'block';}
    if (NavChild.className == 'NavToggle') {NavChild.firstChild.data = NavigationBarHide;}
   }
  }
 }
 function createNavigationBarToggleButton() {
  var indexNavigationBar = 0;
  for (var i=0; NavFrame = document.getElementsByTagName("div")[i]; i++) {
   if (NavFrame.className == "NavFrame") {
    indexNavigationBar++;
    var NavToggle = document.createElement("a");
    NavToggle.className = 'NavToggle';
    NavToggle.setAttribute('id', 'NavToggle' + indexNavigationBar);
    NavToggle.setAttribute('href', 'javascript:toggleNavigationBar('+indexNavigationBar+')');
    var NavToggleText = document.createTextNode(NavigationBarHide);
    NavToggle.appendChild(NavToggleText);
    NavFrame.insertBefore(NavToggle, NavFrame.firstChild);
    NavFrame.setAttribute('id', 'NavFrame' + indexNavigationBar);
   }
  }
  if (NavigationBarShowDefault < indexNavigationBar) {
   for (var i=1; i<=indexNavigationBar; i++) {toggleNavigationBar(i);}
  }
 }
 createNavigationBarToggleButton();