// Common JavaScript Functions
function ToggleDisplay(id)
	{
		var elem = document.getElementById('d' + id);
		var HeaderTextNode = document.getElementById('h' + id).firstChild;
		var highlighttext="-";
		var normaltext="+";

		if (elem)
		{

		  if (elem.style.display != 'block')
		  {
			elem.style.display = 'block';
			elem.style.visibility = 'visible';
			HeaderTextNode.nodeValue = HeaderTextNode.nodeValue.replace(normaltext,highlighttext);
		  }
		  else
		  {
			elem.style.display = 'none';
			elem.style.visibility = 'hidden';
			HeaderTextNode.nodeValue = HeaderTextNode.nodeValue.replace(highlighttext,normaltext);
		  }
		  
		  
		}
	}