, .
http://jsfiddle.net/phpdeveloperrahul/FW64T/
(function (H) {
H.wrap(H.Point.prototype, 'init', function (proceed, series, options, x) {
var point = proceed.call(this, series, options, x),
chart = series.chart,
tick = series.xAxis && series.xAxis.ticks[x],
tickLabel = tick && tick.label;
if (point.drilldown) {
H.addEvent(point, 'click', function () {
point.doDrilldown();
});
if (tickLabel) {
if (!tickLabel._basicStyle) {
tickLabel._basicStyle = tickLabel.element.getAttribute('style');
}
tickLabel.addClass('highcharts-drilldown-axis-label') .css({
'text-decoration': 'none',
'font-weight': 'normal',
'cursor': 'auto'
})
.on('click', function () {
if (point.doDrilldown) {
return false;
}
});
}
} else if (tickLabel && tickLabel._basicStyle) {
}
return point;
});
})(Highcharts);