if (viewer)
{
nsCOMPtr<nsIContentViewerFile> viewerFile = do_QueryInterface(viewer);
if (viewerFile) {
rv = viewerFile->Print(PR_FALSE,nsnull);
rv = viewerFile->Print(PR_FALSE, nsnull, nsnull, PR_FALSE);
}
#ifdef DEBUG_seth
else {
printf("content viewer does not support printing\n");