Library for drawing Pie charts, using SVG.
Creates a Pie Chart inside div, optObj describes its properties. Its values:
Adds data to chart.
Adds legend labels.
Adds colors.
Draws the chart.
var chart = new OAT.PieChart("myDiv",{});
chart.attachData([1,3,2]);
chart.attachText(["a","b","c"]);
chart.attachColors(["#f00","#0f0","#00f"]);
chart.draw();