var rg = new RaphaGraph({
			container:'container',
			type:'pie',
			variables:'concentric',
			additive:true,
			aData:[
				[4,3],
				[1,2],
				[7, 0],
				[8, 2]
			],
			groups:false,
			units:'books',
			names:{cat:['English', 'Portuguese', 'Russian', 'Spanish'], var:['fiction', 'non-fiction']},
			title:'Favorite Books'
		});