var isFolding, resetModulNaviTimer, moduleHeader;
function highlightNavigations(moduleNaviFolded, initModuleNavigation, startCounter){
  changeLinksAccordingToStage();
  if (document.getElementById('mainNavigation') !== undefined) {
    mainNavigation = new MainNavigation('mainNavigation');
    mainNavigation.init();
  }
  if (document.getElementById('moduleNavigation') != undefined) {
    moduleNavigation = new ModuleNavigation('moduleNavigation', moduleNaviFolded);
    moduleNavigation.init();
    clearTimeout(isFolding);
  }
}
var mainNavigation = { nodeAction:function(){} };
var MainNavigation = (function(){
  var _maxFold = 75;
  var hoverActive = false;
  var menuActive = false;
  var foldingActive = false;
  var oldMenuObject;
  var mnContainer;
  var idModules;
  var eventObj;
  var foldIntId;
  var mouseIntId;
  var _foldingSteps = 1;
  var _foldInterval = 10;
  var currentTop;
  var currentMouseY = 400;
  return (function(mainNavigationId){
    var self = this;
    this.init = function(){
      highlightNavigation();
    };
    this.initFolding = function(foldingSteps, foldInterval){
      if( modulenaviAnimation != false ){
        _foldingSteps = (foldingSteps !== undefined && typeof foldingSteps == 'number') ? foldingSteps : _foldingSteps;
        _foldInterval = (foldInterval !== undefined && typeof foldInterval == 'number' && foldInterval > 200) ? foldInterval : _foldInterval;
      }
      if(!foldingActive){
        mnContainer.style.top = 0;
        currentTop = parseInt(mnContainer.style.top, 10);

        eventObj = (window.document.compatMode && window.document.compatMode == "CSS1Compat") ? window.document.documentElement : window.document.body || null;
        document.onmousemove = onMouseMoveEvent;
        mouseIntId = window.setInterval( function(){ triggerFolding(); }, 200 );
        foldingActive = true;
      }
      triggerFolding();
    };
    this.stopFolding = function(){
      mnContainer.style.top = 0;
      document.onmousemove = undefined;
      foldingActive = false;
      idModules.style.position = 'absolute';
      window.clearInterval(mouseIntId);
      window.clearInterval(foldIntId);
    }
    var highlightNavigation = function(){
      var mnObj = document.getElementById(mainNavigationId);
      var currentHighlightLinks = mnObj.getElementsByTagName('a');
      var linksMain = [];
      for (var i = 0; i < currentHighlightLinks.length; i++) {
        if (currentHighlightLinks[i].href.indexOf('javascript:') == -1 && currentHighlightLinks[i].href.indexOf('http://') == -1) {
          linksMain[i] = 'http://' + window.location.hostname + '' + currentHighlightLinks[i].href;
        } else {
          linksMain[i] = currentHighlightLinks[i].href;
        }
      }
      var evaluatedLinks = evaluateHighlighting(window.location.href, linksMain);
      var highlightedIndex = -1;
      var bestmatch = 999;
      for (var j = 0; j < evaluatedLinks.length; j++) {
        if (evaluatedLinks[j] < bestmatch) {
          bestmatch = evaluatedLinks[j];
          highlightedIndex = j;
          if (evaluatedLinks[j] == -2) {
            break;
          }
        }
      }
      if (highlightedIndex != -1) {
        var currentLink = currentHighlightLinks[highlightedIndex];
        addClassName(currentLink, 'mainNaviHighlight');
        var currentNavParent = currentLink.getAttribute('navParent');
        if (currentNavParent) {
          addClassName(document.getElementById(currentNavParent), 'mainNaviHighlight');
        }
        if ( hasClassName( currentLink, 'topicHeader' ) ) {
          if (currentHighlightLinks[ highlightedIndex + 1 ] ) {
            addClassName(currentHighlightLinks[highlightedIndex + 1], 'mainNaviHighlight');
          }
        }
      }
    };
   
  });
})();
var modulenaviAnimation = true;
var hiddenModuleNavigation = false;
var moduleNavigation;

var ModuleNavigation = (function(){
  var _normalHeight = 228;  /////////////////////////////////////////////////////////////////////////////////////////////////////////
  var _teaserHeight = 300;  ///////////////////////////////////////////////////////////////////////////////////////////////////////
  var _closedHeight = 42;
  var _hiddenHeight = 22;
  var _maxHeight;
  var _minHeight = 42;
  var _subtopicHeight = 0;
  var _foldingSteps = 10;
  var _foldInterval = 20;
  var _scrollSteps = 100;
  var _scrollInterval = 20;
  var scrollIntId;
  var foldIntId;
  var activeNode;
  var activeTopNode;
  var oldNode;
  var currentScrollContent;
  var scrollControll;
  var moduleNavigationList;
  var outputObject;
  var scrollState = false;
  return (function(outputObjectId, startFolded){
    outputObject = document.getElementById(outputObjectId);
    this.folded = false;
    this.hidden = false;
    var self = this;
    this.init = function(){
      scrollControll = document.getElementById('scrollControll');
      moduleNavigationList = document.getElementById('moduleNavigationList');
      _maxHeight = _normalHeight;
      if ( moduleNavigationList != undefined ) {
        _subtopicHeight = moduleNavigationList.offsetHeight + moduleNavigationList.offsetTop;
        if (startFolded) {
          addClassName(outputObject, 'closed');
          this.folded = true;
        }
        highlightNavigation();
        if ( modulenaviAnimation == false ) {
          this.configureFoldingAnimation( 1, 10 );
        }
        if ( hiddenModuleNavigation ) {
          outputObject.style.height = 'auto';
          this.hideModuleNavigation( hiddenModuleNavigation )
        } else {
          outputObject.style.height = (startFolded) ? _minHeight + 'px' : _maxHeight + 'px';
        }
      } else {
        if ( hasClassName( outputObject, 'hidden' ) ) {
          this.hidden = true;
        }
      }
    };
    var foldNavigation = function(step){
      var currentHeight = outputObject.offsetHeight;
      if ((!self.folded && currentHeight > _minHeight) || (self.folded && currentHeight < _maxHeight)) {
        if (currentHeight + step < _minHeight) {
          outputObject.style.height = _minHeight + 'px';
        } else if (currentHeight + step > _maxHeight) {
          outputObject.style.height = _maxHeight + 'px';
        } else {
          outputObject.style.height = (currentHeight + step) + 'px';
          return true;
        }
      }
      stopFold();
    };
    this.startFold = function( forceAction ){
      window.clearInterval(foldIntId);
      var step;
      if ( !this.folded && ( forceAction == undefined || forceAction === true ) ) {
        step = Math.round((_minHeight - outputObject.offsetHeight) / _foldingSteps);
      } else if( this.folded && ( forceAction == undefined || forceAction === false ) ) {
        step = Math.round((_maxHeight - outputObject.offsetHeight) / _foldingSteps);
      }
      if( step != null && step != 0 ){
        foldIntId = window.setInterval(function(){
          foldNavigation(step);
        }, _foldInterval);
      }
    };
    var stopFold = function(){
      window.clearTimeout(foldIntId);
      if (self.folded) {
        removeClassName(outputObject, 'closed');
      } else {
        addClassName(outputObject, 'closed');
      }
      self.folded = !self.folded;
    };
  });
})();