donut chart - with inner text

HTML

<script src="http://code.highcharts.com/highcharts.js"></script>

<div>
    <div id="container" style="position:absolute; left:0px; top:0px;"></div>
    <div id="addText" style="position:absolute; left:0px; top:0px;"></div>
</div>

JavaScript

$(function() {
    var chart = new Highcharts.Chart({
        chart: {
            renderTo: 'container',
            type: 'pie'
        },
        tooltip: {
              enabled: true
         },
         legend: {
              enabled: true
         },
         plotOptions: {
            pie: {
                innerSize: '80%'
            },
            series: {
            	cursor: 'pointer',
            	point: {
            		events: {
            			 mouseOver: function(){
                     //       console.log(this)
            				defineInnerData(this.name, this.y, this);
        				}
       				}
        	     },
                 states: {
                  hover: {
                    enabled: true
                  }
                }
        	}
        },
        yAxis: {
            title: {
              text: "sdsd"
            },
            labels: {
              enabled: true
            }
        },
        series: [{
            dataLabels: {
              enabled: true
            },
            data: [
                ['Firefox <img style="width:100px" src="https://www.instaca.in/images/help-icon.png"/>', 44.2],
                ['IE7 <img style="width:100px" src="https://www.instaca.in/images/like-thumb.png"/>', 26.6],
                ['IE6', 20],
                ['Chrome', 3.1],
                ['Other', 5.4]
                ]}]
    });
                                     
    function defineInnerData(name, y, obj) { // on complete
        var chart=$("#container").highcharts();       
        $( "#pieChartInfoText" ).remove();       
        var textX = chart.plotLeft + (chart.plotWidth  * 0.5);
        var textY = chart.plotTop  + (chart.plotHeight * 0.5);
        var span = '<span id="pieChartInfoText" style="position:absolute; text-align:center;left: 235px;top:210px;width: 130px;">';
      //  span += '<span style="font-size: 15px">'+ y +'</span><br>';
        span += '<span style="font-size: 12px">'+ name +'</span>';
     //...