The dispatcher is responsible for dispatching the event to the handler(s). A handler has to be registered first to receive an event from diputree.
onstart, onstop, onload, onunload, onclick, ondblclick, onmouseover, onmouseout and onkeypress
var docElement = "#/1";
var xptr = "#xpointer(hasdispatcher/onclick)";
diputree.unbindAll(docElem, xptr);