function fade(eid, TimeToFade) {
  var element = document.getElementById(eid);
  if(element == null) {
    return;
  }
  if(element.FadeState == null) {
    if(element.style.opacity == null || element.style.opacity == '' || element.style.opacity == '1' || element.style.opacity == '0') {
      element.FadeState = 2;
    } else {
      element.FadeState = -2;
    }
  }
   
  if(element.FadeState == 1 || element.FadeState == -1) {
    element.FadeState = element.FadeState == 1 ? -1 : 1;
    element.FadeTimeLeft = TimeToFade - element.FadeTimeLeft;
  } else {
    element.FadeState = element.FadeState == 2 ? -1 : 1;
    element.FadeTimeLeft = TimeToFade;
    setTimeout("animateFade(" + new Date().getTime() + ",'" + eid + "'," + TimeToFade + ")", 33);
  }  
}

function animateFade(lastTick, eid, TimeToFade) {  
  var curTick = new Date().getTime();
  var elapsedTicks = curTick - lastTick;
 
  var element = document.getElementById(eid);
 
  if(element.FadeTimeLeft <= elapsedTicks) {
    element.style.opacity = element.FadeState == 1 ? '1' : '0';
    element.style.filter = 'alpha(opacity = ' + (element.FadeState == 1 ? '100' : '0') + ')';
    element.FadeState = element.FadeState == 1 ? 2 : -2;
    return;
  }
 
  element.FadeTimeLeft -= elapsedTicks;
  var newOpVal = element.FadeTimeLeft/TimeToFade;
  if(element.FadeState == 1) {
    newOpVal = 1 - newOpVal;
  }
  
  element.style.opacity = newOpVal;
  element.style.filter = 'alpha(opacity = ' + (newOpVal*100) + ')';
 
  setTimeout("animateFade(" + curTick + ",'" + eid + "'," + TimeToFade + ")", 33);
}

function fadeBar(eid) {
  var element = document.getElementById(eid);
  element.style.visibility = 'visible';
  if(parseInt(element.style.height) < 347) {
    element.style.height = (parseInt(element.style.height) + 10) + "px";
    setTimeout("fadeBar('balken')", 30);
  }
}

function einblenden(elemente) {
  for (var i = 0; i < elemente.length; i ++) {
    try {
      document.getElementById(elemente[i]).style.display = "block";
    } catch (e) {
    }
  }
}

function ausblenden(elemente) {
  for (var i = 0; i < elemente.length; i ++) {
    try {
      document.getElementById(elemente[i]).style.display = "none";
    } catch (e) {
    }
  }
}