Enable/Disable scrolling temporarily when needed window.scrollStopper.disableScroll(); window.scrollStopper.enableScroll();

preventscroll.js

window.scrollStopper = (function () {
        var obj = {}
        obj.keys = [
            37, 38, 39, 40
        ];
        obj.preventDefault = function (e) {
            e = e || window.event;
            if (e.preventDefault) {
                e.preventDefault();
            }

            e.returnValue = false;
        };
        obj.keydown = function (e) {
            for (var i = obj.keys.length; i--;) {
                if (e.keyCode === obj.keys[i]) {
                    obj.preventDefault(e);
                    return;
                }
            }
        };
        obj.wheel = function (e) {
            obj.preventDefault(e);
        };
        obj.disableScroll = function () {
            if (window.addEventListener) {
                window.addEventListener('DOMMouseScroll', obj.wheel, false);
            }
            window.onmousewheel = document.onmousewheel = obj.wheel;
            document.onkeydown = obj.keydown;
        };
        obj.enableScroll = function () {
            if (window.removeEventListener) {
                window.removeEventListener('DOMMouseScroll', obj.wheel, false);
            }
            window.onmousewheel = document.onmousewheel = document.onkeydown = null;
        };
        return obj;
    })();