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if(navigator.userAgent.match(/Trident\/7\./)) { // if IE
    $('body').on("mousewheel", function (event) {
        // remove default behavior
        event.preventDefault(); 

        //scroll without smoothing
        var wheelDelta = event.wheelDelta;
        var currentScrollPosition = window.pageYOffset;
        window.scrollTo(0, currentScrollPosition - wheelDelta);
    });
}