[Solved]-How to get x-axis flags on dual axes chart with Highchart?-Highcharts

Yes it is possible http://jsfiddle.net/MGzjk/

 {
            type: 'flags',
            name: 'Flags on axis',
            data: [{
                x: Date.UTC(2011, 2, 1),
                title: 'On axis'
            }, {
                x: Date.UTC(2011, 3, 1),
                title: 'On axis'
            }],
            shape: 'squarepin'
        }