function WorkScroll(){
// *** Disable scroll ***
    // left: 37, up: 38, right: 39, down: 40,
    // spacebar: 32, pageup: 33, pagedown: 34, end: 35, home: 36
    var keys = {37: 1, 38: 1, 39: 1, 40: 1};

    function preventDefault(e) {
      e = e || window.event;
      if (e.preventDefault)
          e.preventDefault();
      e.returnValue = false;
    }

    function preventDefaultForScrollKeys(e) {
      if (keys[e.keyCode]) {
        preventDefault(e);
        return false;
      }
    }

    this.disableScroll = function (e) {
      if (window.addEventListener) // older FF
          window.addEventListener('DOMMouseScroll', preventDefault, false);
      window.onwheel = preventDefault; // modern standard
      window.onmousewheel = document.onmousewheel = preventDefault; // older browsers, IE
      window.ontouchmove  = preventDefault; // mobile
      document.onkeydown  = preventDefaultForScrollKeys;
    }

    this.enableScroll = function(e) {
      if (window.removeEventListener)
        window.removeEventListener('DOMMouseScroll', preventDefault, false);
      window.onmousewheel = document.onmousewheel = null;
      window.onwheel = null;
      window.ontouchmove = null;
      document.onkeydown = null;
    }
// *** /Disable scroll ***
}