禁用鼠标滚轮事件

function disabledMouseWheel() {

  if (document.addEventListener) {

    document.addEventListener('DOMMouseScroll', scrollFunc, false);

  }//W3C

  window.onmousewheel = document.onmousewheel = scrollFunc;//IE/Opera/Chrome

}

function scrollFunc(evt) {

  evt = evt || window.event;

    if(evt.preventDefault) {

    // Firefox

      evt.preventDefault();

      evt.stopPropagation();

    } else {

      // IE

      evt.cancelBubble=true;

      evt.returnValue = false;

  }

  return false;

}

window.onload=disabledMouseWheel;

转载自：http://blog.meathill.net/tech/js/disabled-mouse-wheel-js.html