All tooltips rendered on hover - one is enough about rickshaw HOT 4 OPEN

    detail.sort(sortFn).forEach( function(d) {

        if (domainMouseY > d.value.y0 && domainMouseY < d.value.y0 + d.value.y && !activeItem) {
            d.formattedYValue = (this.yFormatter.constructor == Array) ?
                this.yFormatter[detail.indexOf(d)](d.value.y) :
                this.yFormatter(d.value.y);

            d.graphX = graphX;
            d.graphY = graph.y(d.value.y0 + d.value.y);

            activeItem = d;
            return;
        }

    }, this );

    if (this.visible && activeItem) {
        this.render( {
            activeItem: activeItem,
            domainX: domainX,
            formattedXValue: formattedXValue,
            mouseX: eventX,
            mouseY: eventY
        } );
    }

render: function(args) {

    var activeItem = args.activeItem;
    var domainX = args.domainX;

    var mouseX = args.mouseX;
    var mouseY = args.mouseY;

    var formattedXValue = args.formattedXValue;

    var xLabel = document.createElement('div');
    xLabel.className = 'x_label';
    xLabel.innerHTML = formattedXValue;
    this.element.appendChild(xLabel);

    var item = document.createElement('div');
    item.className = 'item';
    item.innerHTML = this.formatter(activeItem.series, domainX, activeItem.value.y, formattedXValue, activeItem.formattedYValue, activeItem);
    item.style.top = this.graph.y(activeItem.value.y0 + activeItem.value.y) + 'px';

    this.element.appendChild(item);

    var dot = document.createElement('div');
    dot.className = 'dot';
    dot.style.top = item.style.top;
    dot.style.borderColor = activeItem.series.color;

    this.element.appendChild(dot);

    item.className = 'item active';
    dot.className = 'dot active';

    this.show();

    if (typeof this.onRender == 'function') {
        this.onRender(args);
    }
},