x = 0;
y = 0;
 
function setVisible(obj)
{	 
	
	obj = document.getElementById(obj);	
	obj.style.visibility = (obj.style.visibility == 'visible') ? 'hidden' : 'visible';
}
function setInVisible(obj)
{	 
	obj = document.getElementById(obj);
	obj.style.visibility = 'hidden';
}
function placeIt(obj)
{
	obj = document.getElementById(obj);	 
	if (obj == null)
	return false;
	if (document.documentElement)
	{
		theLeft = document.documentElement.scrollLeft;
		theTop = document.documentElement.scrollTop;
	}
	else if (document.body)
	{
		theLeft = document.body.scrollLeft;
		theTop = document.body.scrollTop;
	}
	theLeft += x;
	theTop += y;
	obj.style.left = theLeft + 'px' ;
	obj.style.top = theTop + 'px' ;	
	setTimeout("placeIt('layer1')",30);
}
window.onscroll = setTimeout("placeIt('layer1')",10); 



var TimeToFade = 2000.0;

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 == '1')
    {
      element.FadeState = 2;
    }
    else
    {
      element.FadeState = -2;
    }
  }
   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 + "')", 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.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 + "')", 33);
}