function t(element)
	{
		if (document.getElementById(element))
		{
			var display = document.getElementById(element).style.display;
			
			if (display == 'block')
			{
				document.getElementById(element).style.display = "none";	
			}
			if (display == 'none')
			{
				document.getElementById(element).style.display = "block";	
			}
		}
	
	}