// Update our cached copy of the bytes that make up the PPT stream
_docstream = baos.toByteArray();
// Write the PPT stream into the POIFS layer
ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
outFS.createDocument(bais,"PowerPoint Document");
// Update and write out the Current User atom
int oldLastUserEditAtomPos = (int)currentUser.getCurrentEditOffset();
Integer newLastUserEditAtomPos = (Integer)oldToNewPositions.get(new Integer(oldLastUserEditAtomPos));