commenting on specific wavelengths/annotating graphs

[jywarren]

$("#placeholder").bind("plotclick", function (event, pos, item) {
  alert("You clicked at " + pos.x + ", " + pos.y);
  // axis coordinates for other axes, if present, are in pos.x2, pos.x3, ...
  // if you need global screen coordinates, they are pos.pageX, pos.pageY

  if (item) {
    highlight(item.series, item.datapoint);
    alert("You clicked a point!");
  }
});