tyle.left = (Math.max(f.left - root.left, 0) * px + canvas.offsetLeft) + 'px';
				hl.style.width = (Math.min(f.width, root.width) * px) + 'px';
				hl.style.top = ((inverted ? h * 16 : canvasHeight - (h + 1) * 16) + canvas.offsetTop) + 'px';
				hl.firstChild.textContent = f.title;
				hl.style.display = 'block';
				canvas.title = f.title + '\n(' + samples(f.width) + f.details + ', ' + pct(f.width, levels[0][0].width) + '%)';
				canvas.style.cursor = 'pointer';
				canvas.onclick = function() {
					if (