function toggle(divname)
	{
		var div = document.getElementById(divname);
		
		if (div.style.display == 'block')
		{
			div.style.display = 'none';
		}
		else
		{
			div.style.display = 'block';
		}
	}

	function showDiv(divname)
	{
		var div = document.getElementById(divname);
		div.style.display = 'block';
	}
	
	function hideDiv(divname)
	{
		var div = document.getElementById(divname);
		div.style.display = 'none';
	}