if((MODx.request.a == MODx.action['resource/update']) && dropNode.attributes.pk == MODx.request.id){
            var parentFieldCmb = Ext.getCmp('modx-resource-parent');
            var parentFieldHidden = Ext.getCmp('modx-resource-parent-hidden');
            if(parentFieldCmb && parentFieldHidden){
                parentFieldHidden.setValue(dropNode.parentNode.attributes.pk);