**/
public boolean isAllowedFolderAllCollapse(GfrNodAbs nodSel) throws Exception
{
for (Enumeration e = nodSel.depthFirstEnumeration(); e.hasMoreElements();)
{
GfrNodAbs nodCur = (GfrNodAbs) e.nextElement();
if (nodCur == nodSel)
continue;
// memo, if == 2, meaning: rootNode + topNode
if (nodCur.getPath().length < 3)
continue;
TreePath tphCur = new TreePath(nodCur.getPath());
if (isVisible(tphCur))
return true;
}