function NN_getObject(id,doc){
    doc = doc || document;
    var obj=
        doc.links [id] ||
        doc.anchors [id] ||
        doc.images [id] ||
        doc.forms [id] ||
        doc.layers [id];
   for(var ii=0;!obj && ii<doc.forms.length;ii++)
        obj=doc.forms[ii][id]
    for(var ii=0;!obj && ii<doc.layers.length;ii++)
        obj=NN_getObject(id,doc.layers[ii].document)
    return obj;
}