var fixedElement = document.getElementById(“fixed”);
function fixedScrolled(e) {
var evt = window.event || e;
var delta = evt.detail ? evt.detail * (-120) : evt.wheelDelta; //delta returns +120 when wheel is scrolled up, -120 when scrolled down
$("#content").scrollTop($("#content").scrollTop() - delta);
}
var mousewheelevt = (/Gecko\//i.test(navigator.userAgent)) ? "DOMMouseScroll" : "mousewheel";
if (fixedElement.attachEvent)
fixedElement.attachEvent("on" + mousewheelevt, fixedScrolled);
else if (fixedElement.addEventListener)
fixedElement.addEventListener(mousewheelevt, fixedScrolled, false);
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