Inheritance -- holy grail mode

var grailMode = (function () {
    return function (Origin, Target) {
        var Temp = function () {
        };
        //  Temporary constructor 
        Temp.prototype = Origin.prototype;
        Target.prototype = new Temp();
        //  Add a temporary constructor 
        Target.prototype.constructor = Target;
        //  Target constructor prototype properties constructor Point to   Target constructor 
        Target.prototype.ancestor = Origin;
        // target  My father 
    }
})();