code: function (animId) {
                  var animInfo = this.animations[animId];
                  if (animInfo) {
                      clearInterval(animInfo.timingId);
                      animInfo.isRunning = false;
                      animInfo.pauseTime = (new Date()).getTime();
                      return true;
                  }
                  return false;
              }
docs: Pauses the animation until it is resumed by resumeAnimation() or resumeQueue()
  @param {String} animation identifier
  @return {Boolean} true if the related animation exists, otherwise false