function highlight(obj) {
	var oParent = obj.parentNode;
	if (null != oParent) {
		oParent.className = 'hover';
	}
}

function set_dimmed(obj) {
	var oParent = obj.parentNode;
	if (null != oParent) {
		oParent.className = '';
	}
}

function highlightInactiveTitle(obj) {
	obj.className = 'hover';
}

function setDimmedInactiveTitle(obj) {
	obj.className = '';
}