var classLayout = {
	'Paper.js': ['global paper scope:_global_'],
	'Basic Types': ['Point', 'Size', 'Rectangle', 'Matrix'],
	'Items': ['Item', 'Layer', 'Group', 'Raster', 'PlacedSymbol'],
	'Paths': ['Path', 'CompoundPath', 'Segment', 'Curve', 'PathStyle', 'ruler',
		'CurveLocation'],
	'Tools': ['Tool', 'ToolEvent', 'Key', 'KeyEvent'],
	'Projects': ['Project', 'View', 'Symbol'],
	'Colors': ['Color', 'RGBColor', 'GrayColor', 'HSBColor'],
	'Gradients': ['GradientColor', 'Gradient', 'GradientStop'],
	'Typography': ['TextItem', 'PointText', {
		'Style': ['CharacterStyle', 'ParagraphStyle']
	}]
};