Sub-charts on same scroll bar

I have 6 streams of data that I want to plot on waveform charts. The first 4 have the same y-scaling, so I have them clustered together into a chart. The other 2 streams have a different y-scaling, so I have them each on their own chart. All 6 share the same time data, though.
Is there a way to cluster them all together into one chart that is partially overlayed (the first 4) and partially stacked (the last 2)? Ideally, something that looks similar to the screen capture I've attached, but with one x-scroll bar at the bottom that scrolls all 4 plots together.
Thanks!
Attachments:
motioncharts.png ‏48 KB

Just came across this thread in the forum database:
http://forums.ni.com/t5/LabVIEW/Combination-of-Stacked-amp-Overlaid-Waveform-Chart/m-p/655419?query....
I see how to use a property node to specify the ActPlot and Plot.YScaleIdx to do what I want to do.

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