var curr = [];

function getpos(ev) {
  curr.push([]);
  var offset = $("#graphcolumn .draw").offset();
  var ptop = $(offset.top).to_em_raw();
  var pleft = $(offset.left).to_em_raw();
  console.log("drawLineCoord: " + ($(ev.clientX).to_em_raw() - pleft) + "," + ($(ev.clientY).to_em_raw() - ptop));
}

function getnode(ev) {
  console.log($(ev.currentTarget).attr('data-id'));
}