  return false
    }

    function renderChart(regex) {
        var loc = window.location.href;

        var timelineGroups = []
        timelineGroups.push({group: "operator-unavailable", data: []})
        createTimelineData("OperatorUnavailable", timelineGroups[timelineGroups.length - 1].data, eventIntervals, isOperatorAvailable, regex)

        timelineGroups.push({group: "operator-degraded", data: []})
        createTimelineData("OperatorDegraded", timelineGroups[timelineGroups.length - 1].data, eventI