// function to swap navigation on home page
	
		function special_rollover(parentID, action) {
			var elemID = parentID + '_child';
			var MyTable = document.getElementById(elemID);
			var MyParent = document.getElementById(parentID);
			if (action == 'show') {
				//MyParent.style.filter = 'none';
				MyTable.style.visibility = 'visible';
				MyTable.style.display = 'block';
			} else if (action == 'hide') {
				//MyParent.style.filter = 'progid:DXImageTransform.Microsoft.AlphaImageLoader(src="/media/nav/hm_' + parentID + '.png")';
				MyTable.style.visibility = 'hidden';
				MyTable.style.display = 'none';
			}
			//alert (document.getElementById(elemID).childNodes[1].tagName);
		}