var TimeToFade = 200.0;
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;
			}
		}

		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 ? '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);
}