if (s.renderer.bands.hiData.length) {
                    var bd = s.renderer.bands.hiData;
                    for (var j=0, l=bd.length; j < l; j++) {
                        if (this.name === 'xaxis' || this.name === 'x2axis') {
                            bd[j][0] = new $.jsDate(bd[j][0]).getTime();