Now that we have that convenient cleanup() function we can call it on…

… the graph's mouseout event so that we don't leave hints and highlighted points around when the user mouses outside of the graph onto the rest of the page. This can be especially annoying and common when there are points near the top and right side of the graph... And now it's fixed.

jquery.flot.js

@@ -147,7 +147,9 @@ BOTTOM_SIDE_BUFFER = 5;
         constructCanvas();
         setupGrid();
         draw();
-
+        // kill hints and highlighted points when the mouse leaves the graph
+        if (options.grid.hoverable) { $(target).mouseout(cleanup); }
+
         function setData(d) {
             series = parseData(d);