<!--
	var layerReference = "null";
	
	function setLayerReference()
	{
		if (document.layers)
		{
			layerReference = "";
		}
		else
		{
			layerReference = "style.";
		}
	}

	function getLayer(layerId) {
		
		if (document.getElementById)
		{
			return document.getElementById(layerId) 
		}
		else if (document.all)
		{
			// Internet Explorer 4
			return document.all[layerId]
		}
		else
		{
			// Netscape 4.x
			return document.layers[layerId]
		}
	}
	
	function showLayer(layerId)
	{	
		var layer = getLayer(layerId);
		
//		eval('layer.'+layerReference+'visibility = "visible"');
		eval('layer.'+layerReference+'display = "block"');
	}
	
	function hideLayer(layerId)
	{		
		var layer = getLayer(layerId);
		
//		eval('layer.'+layerReference+'visibility = "hidden"');
		eval('layer.'+layerReference+'display = "none"');
	}
	
	function disableScroll()
	{				
		eval('document.body.'+layerReference+'overflow = "hidden"');
	}
	
	function enableScroll()
	{				
		eval('document.body.'+layerReference+'overflow = "visible"');
	}
//-->