/**
 * (un)hides the given div area.
 *
 */
function divhid_hide (sId, bHide)
	{
	var sDisplay;
	
	if ( bHide )
		{
		sDisplay	=	'none';
		}
	else
		{
		sDisplay	=	'block';
		}

	document.getElementById(sId).style.display	=	sDisplay;

	return true;										/* all correct */
	}