private SxwDocument buildDocument(String docName, Wse[] data, Document origDoc)
throws IOException {
// create minimum office xml document.
SxwDocument sxwDoc = new SxwDocument(docName);
sxwDoc.initContentDOM();
org.w3c.dom.Document doc = sxwDoc.getContentDOM();
// Grab hold of the office:body tag,
// Assume there should be one.