gistfile1.as

if (_level0 === undefined) {
   /* detect AS3 container and patch MovieClip.hitTest */
   var realRootForReal = this;
   MovieClip.prototype.oldHitTest = MovieClip.prototype.hitTest;
   MovieClip.prototype.hitTest = function (x, y, shapeflag) {
       if (arguments.length === 1) return this.oldHitTest(x);
       var obj = {x: x, y: y};
       realRootForReal.localToGlobal(obj);
       return this.oldHitTest(obj.x, obj.y, shapeflag);
   }
}