prevent wheel events

prevent-wheel.js

// require jquery

jQuery(function(){

  var WheelControl = {
    _enabled: true,

    enable: function(enabled) {
      Aiming.WheelControl._enabled = enabled;
    },

    onMouseWheel: function(event) {
      if (!Aiming.WheelControl._enabled) {
        if (!event) {
          event = window.event;
        }
        if (event.preventDefault) {
          event.preventDefault();
        }
        event.returnValue = false;
      }
    }
  }

  if (window.addEventListener) {
    window.addEventListener('DOMMouseScroll', WheelControl.onMouseWheel, false);
  }
  window.onmousewheel = document.onmousewheel = WheelControl.onMouseWheel;

  $('.prevent-wheel').hover(
    function() { WheelControl.enable(false) },
    function() { WheelControl.enable(true) }
  )
});