var parent = this.getParent();
if(!parent || parent.rowNode.style.display == "none"){/* if we are hiding the root node then make every first level child look like a root node */
dojo.addClass(this.domNode, "dijitTreeIsRoot");
}else{
dojo.toggleClass(this.domNode, "dijitTreeIsLast", !this.getNextSibling());
}