function demo() {
   
   var hasCanvas = CanvasRenderer.isSupported();

   var opts = {
   "pieRadius": 0.4,
   "axisLineColor":Color.whiteColor(),
   "axisLineWidth":1.5,
    "drawXAxis": false
   };

   var data1 = [[0, 5], [1, 4], [2, 3], [3, 5], [4, 6], [5, 7]];
   var data2 = [[0, 2.5], [1, 2], [2, 1.5], [3, 2.5], [4, 3], [5,
   3.5]];
   var data3 = [[0, 1.25], [1, 1], [2, 0.75], [3, 1.25], [4, 1.5], [5, 1.75]];

   if (hasCanvas) {     
      var bar = new EasyPlot("bar", opts, $('canvasbar'), [data1/*, data2, data3*/]);
   }

}
MochiKit.DOM.addLoadEvent(demo);