var ds1 = new Spry.Data.XMLDataSet("../data/2009.xml", "top/row");
ds1.setColumnType("p1", "image");
ds1.setColumnType("p2", "image");
ds1.setColumnType("p3", "image");
ds1.setColumnType("p4", "image");
ds1.setColumnType("p5", "image");
ds1.setColumnType("p6", "image");
ds1.setColumnType("p7", "image");