Position on graph - position on map

A friend of mine asked a good question. How to know where some location on the track profile graph is on the map?

After few hours of thinking and few more on programming ;) here's the answer... Move over the graph and a little pointer will move on the map. Now you can see where the peaks on the graphs are on the map and vice-versa:

By the way. This feature is still in beta. I works in Firefox, Opera and Chrome. Not sure for Internet explorer.