function T(){ this.all.push(this) }
>undefined
T.prototype.all =[];
>[]
Utils.extend
>function extend(Child, Parent)
	{
		var F = function() { };
		F.prototype = Parent.prototype;
		Child.prototype = new F();
		Child.prototype.constructor = Child;
		Child.superclass = Parent.prototype;
	}

function T1() { arguments.callee.superclass.constructor.apply(this, []) }
>undefined
Utils.extend(T1, T);
>undefined
new T1
>T1
new T1
>T1
T.prototype.all
>[
T1
,
T1
]
function T2() { console.log(arguments.callee.superclass.constructor) }
>undefined
Utils.extend(T2, T1);
>undefined
new T2
>function T1() { arguments.callee.superclass.constructor.apply(this, []) }
>T2
function T2() { arguments.callee.superclass.constructor.apply(this, []) }
>undefined
Utils.extend(T2, T1);
>undefined
new T2
>T2
T.prototype.all
>[
T1
,
T1
,
T2
]