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 importScript('MediaWiki:CollapsibleTables.js');
 importScript('MediaWiki:CollapsibleTemplates.js');
+//================================================================================
+//*** Dynamic Navigation Bars
+// set up the words in your language
+var NavigationBarHide = 'Einklappen';
+var NavigationBarShow = 'Ausklappen';
+var NavigationBarToggleAll = 'Alle umklappen';
+// set up max count of Navigation Bars on page,
+// if there are more, all will be hidden
+// NavigationBarShowDefault = 0; // all bars will be hidden
+// NavigationBarShowDefault = 1; // on pages with more than 1 bar all bars will be hidden
+if (typeof NavigationBarShowDefault == 'undefined' ) {
+    var NavigationBarShowDefault = 1;
+}
+// adds show/hide-button to navigation bars
+addOnloadHook(function() {
+	// shows and hides content and picture (if available) of navigation bars
+	// Parameters:
+	//     indexNavigationBar: the index of navigation bar to be toggled
+	function toggleNavigationBar(NavToggle, NavFrame)
+	{
+	   if (!NavFrame || !NavToggle) {
+		   return false;
+	   }
+	   // if shown now
+	   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;
+			   }
+		   }
+	   // if hidden now
+	   } 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 toggleNavigationBarFunction(NavToggle, NavFrame) {
+		return function() {
+			toggleNavigationBar(NavToggle, NavFrame);
+			return false;
+		};
+	}
+	// Shows/hides all navigation bars at once
+	function toggleNavigationBars() {
+		var NavFrames = getElementsByClassName(document.getElementById("content"), "div", "NavFrame");
+		for (var i=0; i<NavFrames.length; i++)
+			ToggleNavigationBar(getElementsByClassName(NavFrames[i], "a", "NavToggle")[0], NavFrames[i]);
+	}
+	function toggleNavigationBarsFunction() {
+		return function() {
+			toggleNavigationBars();
+			return false;
+		};
+	}
+	// iterate over all NavFrames
+	var content	= document.getElementById("content");
+	var NavFrames = getElementsByClassName(content, "div", "NavFrame");
+	// if more Navigation Bars found and not template namespace than Default: hide all
+	var initiallyToggle	= NavigationBarShowDefault < NavFrames.length && wgNamespaceNumber != 10;
+	for (var i=0;  i<NavFrames.length; i++) {
+		var NavFrame = NavFrames[i];
+		var NavToggle = document.createElement("a");
+		NavToggle.className = 'NavToggle';
+		NavToggle.setAttribute('href', '#');
+		var NavToggleText = document.createTextNode(NavigationBarHide);
+		NavToggle.appendChild(NavToggleText);
+		// add NavToggle-Button as first div-element
+		// in < div class="NavFrame" >
+		NavFrame.insertBefore(NavToggle, NavFrame.firstChild);
+		NavToggle.onclick = toggleNavigationBarFunction(NavToggle, NavFrame);
+		if (initiallyToggle) {
+			toggleNavigationBar(NavToggle, NavFrame);
+		}
+	}
+	var NavFrameToggleAlls = getElementsByClassName(content, "div", "NavFrameToggleAll");
+	for (var i=0;  i<NavFrameToggleAlls.length; i++) {
+		var NavFrameToggleAll = NavFrameToggleAlls[i];
+		var NavToggleAll = document.createElement("a");
+		NavToggleAll.className = 'NavToggleAll';
+		NavToggleAll.setAttribute('href', '#');
+		var NavToggleAllText = document.createTextNode(NavigationBarToggleAll);
+		NavToggleAll.appendChild(NavToggleAllText);
+		// add NavToggleAll-Button as first div-element
+		// in < div class="NavFrameToggleAll" >
+		NavFrameToggleAll.insertBefore(NavToggleAll, NavFrameToggleAll.firstChild);
+		NavToggleAll.onclick = toggleNavigationBarsFunction();
+	}
+});