function toggle(elid)
	{
		if (document.getElementById)	
		{
			var obj = document.getElementById(elid);
			
			if (obj.style.visibility=='hidden')
			{
				show(elid);				
			}
			else
			{
				hide(elid);
			}
		}
	}
	
	function show(elid)
	{
		if (document.getElementById)	
		{
			var obj = document.getElementById(elid);

			obj.style.visibility = 'visible';
			obj.style.display = 'block';
		}				
	}
	
	function hide(elid)
	{
		if (document.getElementById)	
		{
			var obj = document.getElementById(elid);
			
			obj.style.visibility = 'hidden';
			obj.style.display = 'none';				

		}
	}