anchor.diff:                title: {
                   text: 'CPU %'
                 },
  -              plotBands: [{ // Light air
  +              plotBands: [{ // highlight area
                   from: 80,
                   to: 100,
                   color: 'rgba(255, 0, 0, 0.2)',
  
positive.code:                 var data = [],
                  time = (new Date()).getTime(),
                  i;
                  //for (i = -1; i < 0; i++) {
                    data.push({
                      x: time,
                      y: null
                    });
                  //}
                  return data;
                })()
              }]
  
negative.code:             return chart.addSeries({
                name: newName,
                data: (function() {
                  
                  var data = [],
                  time = (new Date()).getTime(),
                  i;
                  data.push({
                    x: time,
                    y: null
                  });
                  return data;
                })(),
                id: Math.floor(Math.random()*1000)
  