function ShowDiv(layer) {
		var popup_div=document.getElementById(layer);
		popup_div.style.visibility='visible';
	}

	function HideDiv(layer) {
		var popup_div=document.getElementById(layer);
		popup_div.style.visibility='hidden';
	}
	

	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);
	}
	
	
	var TimeToFade = 500.0;

	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;
		setTimeout("animateFade(" + new Date().getTime() + ",'" + eid + "')", 33);
	  }  
	}