function removeClassName(obj, cssClass){
  if (typeof obj != 'object') {
    obj = document.getElementById(obj);
  }
  if (hasClassName(obj, cssClass)) {
    obj.className = obj.className.replace(new RegExp(cssClass), '');
  }
}

function replaceClassName(obj, oldCssClass, newCssClass){
  if (typeof obj != 'object') {
    obj = document.getElementById(obj);
  }
  if (hasClassName(obj, oldCssClass)) {
    obj.className = obj.className.replace(new RegExp(oldCssClass), newCssClass);
  }
}

function hasClassName(obj, cssClass){
  if (typeof obj != 'object') {
    obj = document.getElementById(obj);
  }
  return (obj.className.indexOf(cssClass) != -1);
}

function addClassName(obj, cssClass){
  if (typeof obj != 'object') {
    obj = document.getElementById(obj);
  }
  if (!hasClassName(obj, cssClass)) {
    obj.className += ' ' + cssClass;
  }
}

function evaluateHighlighting(contentUrl, linkList){
  var navLinkFull = "";
  var navLinkPath = "";
  var navLinkFile = "";
  var navLinkQuery = "";
  var navLinkPathParts = [];
  var contentLinkFull = "";
  var contentLinkPath = "";
  var contentLinkFile = "";
  var contentLinkQuery = "";
  var contentLinkPathParts = [];
  var evaluatedLinks = [];
  if (contentUrl.indexOf('?') != -1) {
    contentLinkFull = contentUrl.substring(0, contentUrl.lastIndexOf('?'));
    contentLinkQuery = contentUrl.substring(contentUrl.lastIndexOf('?'), contentUrl.length);
    if (contentLinkQuery.indexOf("&") != -1) {
      contentLinkQuery = contentLinkQuery.substring(0, contentLinkQuery.indexOf("&"));
    }
  } else {
    contentLinkFull = contentUrl;
  }
  if (contentLinkFull.charAt(contentLinkFull.length - 1) == '/') {
    contentLinkFull = contentLinkFull.substring(0, contentLinkFull.length - 1);
  }
  if (contentLinkFull.lastIndexOf('/') < contentLinkFull.lastIndexOf('.')) {
    contentLinkFile = contentLinkFull.substring(contentLinkFull.lastIndexOf('/') + 1, contentLinkFull.length);
    contentLinkPath = contentLinkFull.substring(0, contentLinkFull.lastIndexOf('/'));
  } else {
    contentLinkPath = contentLinkFull;
    contentLinkFile = "";
  }
  contentLinkPathParts = contentLinkPath.split('/');
  for (var i = 0; i < linkList.length; i++) {
    navLinkFull = linkList[i];
    if (navLinkFull.indexOf('javascript:') != -1 || navLinkFull == '') {
      evaluatedLinks.push(999);
      continue;
    }
    if (navLinkFull.indexOf('?') != -1) {
      navLinkQuery = navLinkFull.substring(navLinkFull.lastIndexOf('?'), navLinkFull.length);
      if (navLinkQuery.indexOf("&") != -1) {
        navLinkQuery = navLinkQuery.substring(0, navLinkQuery.indexOf("&"));
      }
      navLinkFull = navLinkFull.substring(0, navLinkFull.lastIndexOf('?'));
    } else {
      navLinkQuery = "";
    }
    if (navLinkFull.charAt(navLinkFull.length - 1) == '/') {
      navLinkFull = navLinkFull.substring(0, navLinkFull.length - 1);
    }
    if (navLinkFull.lastIndexOf('/') < navLinkFull.lastIndexOf('.')) {
      navLinkFile = navLinkFull.substring(navLinkFull.lastIndexOf('/') + 1, navLinkFull.length);
      navLinkPath = navLinkFull.substring(0, navLinkFull.lastIndexOf('/'));
    } else {
      navLinkPath = navLinkFull;
      navLinkFile = "";
    }
    navLinkPathParts = navLinkPath.split('/');

    var contentIndex = 0;
    var navIndex = 0;
    var bestmatchFound = false;
    var charMatch = null;

    while (navLinkPathParts[navIndex] == contentLinkPathParts[contentIndex]) {
      navIndex++;
      contentIndex++;
      if (contentIndex == contentLinkPathParts.length && navIndex == navLinkPathParts.length) {
        if (navLinkFile == contentLinkFile) {
          if (navLinkQuery == contentLinkQuery) {
            evaluatedLinks.push(-2);
            bestmatchFound = true;
          } else {
            evaluatedLinks.push(-1);
          }
        } else {
          charMatch = stringCompare(navLinkFile, contentLinkFile);
          evaluatedLinks.push(0.99 - (charMatch / 100));
        }
        break;
      } else if (contentIndex == contentLinkPathParts.length) {
        evaluatedLinks.push(999);
        break;
      } else if (navIndex == navLinkPathParts.length) {
        if (confCountryTopic != null &&
        confLanguageTopic != null &&
        navLinkPathParts.length >= 2 &&
        navLinkPathParts[navLinkPathParts.length - 1] == confLanguageTopic &&
        navLinkPathParts[navLinkPathParts.length - 2] == confCountryTopic) {
          evaluatedLinks.push(999);
        } else if (confCountryTopic != null && navLinkPath.indexOf("/" + confCountryTopic + "/") == -1) {
          evaluatedLinks.push(999);
        } else {
          evaluatedLinks.push(contentLinkPathParts.length - contentIndex);
        }
        break;
      } else if (navLinkPathParts[navIndex] != contentLinkPathParts[contentIndex]) {
        evaluatedLinks.push(999);
        break;
      }
    }
    if (bestmatchFound) {
      break;
    }
  }
  return evaluatedLinks;
}

function changeLinksAccordingToStage(){
  var prefix = "";
  if (self.location.href.indexOf('/bmw_edit/') != -1) {
    prefix = "/bmw_edit";
  } else if (self.location.href.indexOf('/bmw_qa/') != -1) {
    prefix = "/bmw_qa";
  } else if (self.location.href.indexOf('/bmw_prod/') != -1) {
    prefix = "/bmw_prod";
  }
  if (prefix != "") {
    divsToBeAltered.push("naviClipAreaSeo");
    divsToBeAltered.push("metaNavigationText");
    divsToBeAltered.push("mainNavi");
    divsToBeAltered.push("mainNavigationContainer");
    divsToBeAltered.push("teaserContainer");
    divsToBeAltered.push("teaserContainer1");
    divsToBeAltered.push("teaserContainer2");
    divsToBeAltered.push("downloadMainTeaser");
    for (var x = 0; x < divsToBeAltered.length; x++) {
      if (document.getElementById(divsToBeAltered[x]) && document.getElementById(divsToBeAltered[x]) != null && document.getElementById(divsToBeAltered[x]).getElementsByTagName('a').length != 0) {
        if (divsToBeAltered[x] != "downloadMainTeaser") {
          for (var i = 0; i < document.getElementById(divsToBeAltered[x]).getElementsByTagName('a').length; i++) {
            evaluatedLink = document.getElementById(divsToBeAltered[x]).getElementsByTagName('a')[i].href;
            if (evaluatedLink.indexOf('javascript:') == -1 && evaluatedLink != '' && evaluatedLink.indexOf(prefix) == -1) {
              toBeReplaced = "http://" + window.location.hostname;
              document.getElementById(divsToBeAltered[x]).getElementsByTagName('a')[i].href = evaluatedLink.replace(toBeReplaced, prefix);
            }
          }
        }
        for (var i = 0; i < document.getElementById(divsToBeAltered[x]).getElementsByTagName('img').length; i++) {
          evaluatedLink = document.getElementById(divsToBeAltered[x]).getElementsByTagName('img')[i].src;
          toBeReplaced = "http://" + window.location.hostname;
          if (evaluatedLink.indexOf(prefix) == -1) {
            document.getElementById(divsToBeAltered[x]).getElementsByTagName('img')[i].src = evaluatedLink.replace(toBeReplaced, prefix);
          }
        }
      }
    }
  }
  changeLinksAccordingToStageDone = true;
}