var TimeToFade = 1000.0;

    function fade(eid)
    {
      var element = document.getElementById(eid);
      if(element == null)
         return;
       
      if(element.FadeState == null)
      {
         if(element.style.opacity == null
             || element.style.opacity == ''
             || element.style.opacity == '0.8'
             || 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;
         element.style.display = element.FadeState == 2 ? 'none' : 'block';
         setTimeout("animateFade(" + new Date().getTime() + ",'" + eid + "')", 33);
      }
    }

    function animateFade(lastTick, eid)
    {
      var curTick = new Date().getTime();
      var elapsedTicks = curTick - lastTick;
     
      var element = document.getElementById(eid);
     
      if(element.FadeTimeLeft <= elapsedTicks)
      {
         element.style.display = element.FadeState == 1
             ? 'block' : 'none';
         element.style.opacity = element.FadeState == 1
             ? '.85' : '0';
         element.style.filter = 'alpha(opacity = '
             + (element.FadeState == 1 ? '85' : '0') + ')';
         element.FadeState = element.FadeState == 1 ? 2 : -2;
         return;
      }
     
      element.FadeTimeLeft -= elapsedTicks;
      var newOpVal = element.FadeTimeLeft/TimeToFade;
      if(element.FadeState == 1)
         newOpVal = 1 - newOpVal;

      newOpVal = newOpVal*0.85;
      element.style.opacity = newOpVal;
      element.style.filter = 'alpha(opacity = ' + (newOpVal*100) + ')';
     
      setTimeout("animateFade(" + curTick + ",'" + eid + "')", 33);
    }

    function fadeteste()
    {
      setTimeout("fade('fadeBlock')",2000);
      setTimeout("fade('fadeBlock')",12000);
    }