1 

     2 

     3 function Test() {

     4 }

     5 

     6 Test.prototype.getParent = function(inst) {

     7 	return inst.parent;

     8 }

     9 

    10 Test.prototype.getChild0 = function(inst) {

    11 	return inst.children[0];

    12 }

    13 

    14 Test.prototype.getChild1 = function(kids) {

    15 	return kids[0];

    16 }

    17