{
   "tooltip" : null,
   "y_axis" : {},
   "x_axis" : {},
   "elements" : [
      {
         "tip" : "#val# of #total#<br>#percent# of 100%",
         "colours" : [
            "#d01f3c",
            "#356aa0",
            "#C79810",
            "#73880A",
            "#D15600"
         ],
         "type" : "pie",
         "values" : [
            {
               "value" : 145,
               "label" : "IE"
            },
            {
               "value" : 267,
               "label" : "Chrome"
            },
            {
               "value" : 301,
               "label" : "Opera"
            },
            {
               "value" : 467,
               "label" : "Firefox"
            },
            {
               "value" : 58,
               "label" : "Other"
            }
         ]
      }
   ],
   "bg_colour" : "f0f8ff",
   "title" : {
      "text" : "Pie Chart"
   }
}