jScrollPane - How to get fixed width for track

I am using jScrollPane on my website and everything 开发者_如何学Pythonworks fine but I want to do the following: Currently the track has a width of 100% (it stretches as much as the content does) but I don't want to make it stretchable as the content, I want it to have a fixed width of for example 400px. Is there any chance that can be done? I have tried changing it in style.css but doesn't seem to work :(

Thank you

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http://jscrollpane.kelvinluck.com/settings.html

horizontalDragMinWidth = 400; horizontalDragMaxWidth = 400;

i think this will do the trick