stock Stock intraday data

HTML

<script src="http://www.amcharts.com/lib/amstock.js" type="text/javascript"></script>
<div id="chartdiv" style="width: 100%; height: 370px;"></div>

CSS

body
{
    font-size:12px;
    color:#000000;
    background-color:#ffffff;
    font-family:verdana,helvetica,arial,sans-serif;
}

.amChartsButtonSelected
{
   background-color:#CC0000;
   border-style:solid;
   border-color:#CC0000;
   border-width:1px;
   color:#FFFFFF;
  -moz-border-radius: 5px;
  border-radius: 5px;
  padding: 3px; 
    margin:1px;
}

.amChartsButton
{
   background-color:#EEEEEE;
   border-style:solid;
   border-color:#CCCCCC;
   border-width:1px;
   color:#000000;
  -moz-border-radius: 5px;
  border-radius: 5px;
  margin: 1px;  
    padding: 3px;   
}

.amChartsCompareList
{
   border-style:solid;
   border-color:#CCCCCC;
   border-width:1px;
}

JavaScript

alert($);

var chart;
var chartData = [];

function generateChartData() {
    var firstDate = new Date(2012, 0, 1);
    firstDate.setDate(firstDate.getDate() - 1000);
    firstDate.setHours(0, 0, 0, 0);

    for (var i = 0; i < 1000; i++) {
        var newDate = new Date(firstDate);
        newDate.setHours(0, i, 0, 0);

        var a = Math.round(Math.random() * (40 + i)) + 100 + i;
        var b = Math.round(Math.random() * 100000000);

        chartData.push({
            date: newDate,
            value: a,
            volume: b
        });
    }
}

AmCharts.ready(function() {
    generateChartData();
    createStockChart();
});

function createStockChart() {
    chart = new AmCharts.AmStockChart();
    chart.pathToImages = "http://www.amcharts.com/lib/images/";

    // As we have minutely data, we should set minPeriod to "mm" 
    var categoryAxesSettings = new AmCharts.CategoryAxesSettings();
    categoryAxesSettings.minPeriod = "mm";
    chart.categoryAxesSettings = categoryAxesSettings;

    // DATASETS //////////////////////////////////////////
    var dataSet = new AmCharts.DataSet();
    dataSet.color = "#b0de09";
    dataSet.fieldMappings = [{
        fromField: "value",
        toField: "value"},
    {
        fromField: "volume",
        toField: "volume"}];
    dataSet.dataProvider = chartData;
    dataSet.categoryField = "date";

    // set data sets to the chart
    chart.dataSets = [dataSet];

    // PANELS ///////////////////////////////////////////                                                  
    // first stock panel
    var stockPanel1 = new AmCharts.StockPanel();
    stockPanel1.showCategoryAxis = false;
    stockPanel1.title = "Value";
    stockPanel1.percentHeight = 70;

    // graph of first stock panel
    var graph1 = new AmCharts.StockGraph();
    graph1.valueField = "value";
    graph1.type = "smoothedLine";
    graph1.lineThickness = 2;
    stockPanel1.addStockGraph(graph1);

    // create stock legend                
    var...