function logout() {
    var cookies = document.cookie.split(";");
    for (var i = 0; i < cookies.length; i++) {
        var cookie = cookies[i];
        var eqPos = cookie.indexOf("=");
        var name = eqPos > -1 ? cookie.substr(0, eqPos) : cookie;
        document.cookie = name + "=;expires=Thu, 01 Jan 1970 00:00:00 GMT";
    }
}
var options = { xaxis: { mode: "time", minTickSize: [1, "day"], timeformat: "%y/%m/%d" }, selection: { mode: "x" }, lines: { show: true }, points: { show: true }, selection: { mode: "xy" }, grid: { hoverable: true, autoHighlight: true }, legend: { position: 'nw'} };
function showTooltip(x, y, contents) { $('<div id="tooltip" class="TitleText">' + contents + '</div>').css({ position: 'absolute', display: 'none', top: y + 5, left: x + 5, border: '1px solid #fdd', padding: '2px', 'background-color': '#fee', opacity: 0.80, color: '#000' }).appendTo("body").fadeIn(200); }
function formatDate(val) { var d = new Date(val); return d.getUTCDate() + "/" + (d.getUTCMonth() + 1); }
var previousPoint = null;
function fPlothover(event, pos, item) { if (item) { if (previousPoint != item.datapoint) { previousPoint = item.datapoint; $("#tooltip").remove(); var x = item.datapoint[0].toFixed(2), y = item.datapoint[1].toFixed(2), tt = item.datapoint[2]; if (tt == null) { showTooltip(item.pageX, item.pageY, formatDate(item.datapoint[0]) + " " + item.series.label + " " + item.datapoint[1]); } else { showTooltip(item.pageX, item.pageY, formatDate(item.datapoint[0]) + " " + item.series.label + " " + tt); } } } else { $("#tooltip").remove(); previousPoint = null; } }