DEF SCRIPT Script {
     eventIn  SFVec3f  set_translation
     eventOut SFVec2f  scale_changed
     url "javascript:
        function set_translation(value,time) {
           if (value.x < 1e-8) value.x = 1e-8;
           if (value.y < 1e-8) value.y = 1e-8;
           var newScale = new SFVec2f(10/value.x, 10/value.y);
           scale_changed = newScale;
        }
     "
  }