event.altKey && h >= root.level) {
						removeStack(f.left, f.width);
						root.width > f.width ? render(root) : render();
					} else if (f !== root) {
						render(f);
					}
					canvas.onmousemove();
				};
				status.textContent = 'Function: ' + canvas.title;
				status.style.display = 'inline-block';
				return;
			}
		}
		canvas.onmouseout();
	}

	canvas.onmouseout = function() {
		hl.style.display = 'none';
		status.style.display = 'none';
		canvas.title = '';
		canvas.style.cursor = '';
		canvas.