HTML5的互动股票图形数据HumbleFinance

<p id="finance">
    <p id="labels">
        <p id="financeTitle">NASDAQ:GOOG</p>
        <p id="time"> 
        <a onclick="HumbleFinance.zoom(5);">1w</a>  
        <a onclick="HumbleFinance.zoom(21);">1m</a>
            <a
            onclick="HumbleFinance.zoom(65);">3m</a> 
            <a onclick="HumbleFinance.zoom(127);">6m</a>  
            <a onclick="HumbleFinance.zoom(254);">1y</a>
                <a
                onclick="HumbleFinance.zoom(1265);">5y</a>
        </p>
        <p id="dateRange"></p>
    </p>
</p>

Event.observe(document, 'dom:loaded', function () {
    prettyPrint();
    HumbleFinance.trackFormatter = function (obj) {
        var x = Math.floor(obj.x);
        var data = jsonData[x];
        var text = data.date + " Price: " + data.close + " Vol: " + data.volume;
        return text;
    };
    HumbleFinance.yTickFormatter = function (n) {
        if (n == this.axes.y.max) {
            return false;
        }
        return '$' + n;
    };
    HumbleFinance.xTickFormatter = function (n) {
        if (n == 0) {
            return false;
        }
        var date = jsonData[n].date;
        date = date.split(' ');
        date = date[2];
        return date;
    }
    HumbleFinance.init('finance', priceData, volumeData, summaryData);
    HumbleFinance.setFlags(flagData);
    var xaxis = HumbleFinance.graphs.summary.axes.x;
    var prevSelection = HumbleFinance.graphs.summary.prevSelection;
    var xmin = xaxis.p2d(prevSelection.first.x);
    var xmax = xaxis.p2d(prevSelection.second.x);
    $('dateRange').update(jsonData[xmin].date + ' - ' + jsonData[xmax].date);
    Event.observe(HumbleFinance.containers.summary, 'flotr:select', function (e) {
        var area = e.memo[0];
        xmin = Math.floor(area.x1);
        xmax = Math.ceil(area.x2);
        var date1 = jsonData[xmin].date;
        var date2 = jsonData[xmax].date;
        $('dateRange').update(jsonData[xmin].date + ' - ' + jsonData[xmax].date);
    });
});