                 .attr("stroke", (d,i) -> vertsegcolor[i])
                 .attr("stroke-width", segstrokewidth)
                 .attr("shape-rendering", "crispEdges")
-                .on("mouseover.paneltip", tip.show)
-                .on("mouseout.paneltip", tip.hide)
 
         # lines at low, mean, and high
         yval = mean.concat(low,high)

                .attr("stroke", (d,i) -> segcolor[i % mean.length])
                .attr("stroke-width", segstrokewidth)
                .attr("shape-rendering", "crispEdges")
                .on("mouseover.paneltip", tip.show)
                .on("mouseout.paneltip", tip.hide)

        # move box to front
        myframe.box().raise()

    # function to remove chart
    chart.remove = () ->
                      svg.remove()
                      d3panels.tooltip_destroy(tip)
                      return null

    # return the chart function
