oracle apex - configuring flash charts as Line & Area chart

Though I'm grateful for the built-in interactive graphs in APEX I'm unsure it allows what I need.

Let's say I have a graph with 开发者_C百科2 metrics, the built-in charting flash shows the current value for each one when I hover over one of them.

Is there a way to show both values in a statically positioned box as I hover through the x-axis independent of the y-axis?

(Either check http://www.amcharts.com/line/ or the upper left corner of a google finance graph like http://www.google.com/finance?q=AAPL to have an idea)

Do I have to integrate it with an external solution like open-flash-chart, amcharts or Google Chart Tools?