//===================================================================================================
//
//   Library: JavaScript
//
//===================================================================================================

	function showhide(layer_ref)
	{
		if (document.getElementById(layer_ref).style.display == "block") {
			document.getElementById(layer_ref).style.display = "none";
		} else {
			document.getElementById(layer_ref).style.display = "block";
		}
	}
	
//-----------------------------------------------------------
	function show(layer_ref) 
	{
		document.getElementById(layer_ref).style.display = "block";
	}
	
//-----------------------------------------------------------
	function hide(layer_ref) 
	{
		document.getElementById(layer_ref).style.display = "none";
	}