     ['2012-9-12', 11],
                        ['2012-9-18', 14]
                    ]
                }, {
                    name: 'no point',
                    type: 'line',
                    data: []
                }]
            });
        </script>







        <script>
            makeChart('main90.1', {
                legend: {
                    data: ['no point', 'one point', 'two points'],
                    selectedMode: 'single'
                },
                tooltip: {
       