You can use the J-Query to expand the items in document library.
or if you have "Group By" in view then on some field you can select "By default show groupings :" either Collapsed or Expanded radio button under "Group By" section .
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> Creating Google Motion Charts from Excel data
> http://www.eggheadcafe.com/tutorials/aspnet/86599bca-edda-4204-af15-7a1cf901a071/creating-google-motion-charts-from-excel-data.aspx