h2>cartesian value axis | xAxis: {min: function, max: function}</h2>
        <div class="chart" id="main4.2"></div>

        <h2>cartesian time axis | xAxis: {min: 'dataMin', max: 'dataMax'}</h2>
        <div class="chart" id="main5"></div>

        <h2>cartesian time axis | xAxis: {min: '2012-08-12', max: '2012-10-01'}</h2>
        <div class="chart" id="main6"></div>

        <h2>cartesian time axis | xAxis: {min: function, max: function}</h2>
        <div class="chart" id="main6.1"></div>

        <h2>po