var ContentHeight = 8;
var TimeToSlide = 150.0;
var openAccordion = '';

function runAccordion(index)
{
  var nID = "Accordion" + index + "Content";
  if(openAccordion == nID)
    nID = '';
    
  with (document.getElementById('dir'+index)) {
    src='../image/arrowUp.gif'
    title='close this section'
  }

  if (openAccordion) with (document.getElementById('dir'+openAccordion.replace(/\D/g,''))) {
    src='../image/arrowDown.gif'
    title='open this section'
  }

  setTimeout("animate(" + new Date().getTime() + "," + TimeToSlide + ",'" 
      + openAccordion + "','" + nID + "')", 33);
  
  openAccordion = nID;
}

function animate(lastTick, timeLeft, closingId, openingId)
{  
  var curTick = new Date().getTime();
  var elapsedTicks = curTick - lastTick;
  
  var opening = (openingId == '') ? null : document.getElementById(openingId);
  var closing = (closingId == '') ? null : document.getElementById(closingId);
 
  if(timeLeft <= elapsedTicks)
  {
    if(opening != null)
      opening.style.height = 'auto';
    if(closing != null)
    {
      closing.style.display = 'none';
      closing.style.height = '0px';
    }
    return;
  }
 
  timeLeft -= elapsedTicks;
  var newClosedHeight = Math.round((timeLeft/TimeToSlide) * ContentHeight);

  if(opening != null)
  {
    if(opening.style.display != 'block')
      opening.style.display = 'block';
    opening.style.height = (ContentHeight - newClosedHeight) + 'px';
  }
  
  if(closing != null)
    closing.style.height = newClosedHeight + 'px';
  setTimeout("animate(" + curTick + "," + timeLeft + ",'" 
      + closingId + "','" + openingId + "')", 33);
}