JsVar *jspNewBuiltin(const char *instanceOf) {
  JsVar *objFunc = jswFindBuiltInFunction(0, instanceOf);
  if (!objFunc) return 0; // out of memory
  return objFunc;
}
JsVar *jspNewBuiltin(const char *instanceOf) {
  JsVar *objFunc = jswFindBuiltInFunction(0, instanceOf);
  if (!objFunc) return 0;  
  return objFunc;
}