w Date('2011-11-11'), 2112],
                        [new Date('2012-11-12'), 122]
                    ]
                }, {
                    name: 'no point',
                    type: 'line',
                    data: []
                }]
            });
        </script>






        <script>
            makeChart('main6', {
                legend: {
                    data: ['no point', 'one point', 'two points'],
                    selectedMode: 'single'
                },
                toolt