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20
function SetCookie(cookieName, cookieValue, nDays) {
    var today = new Date();
    var expire = new Date();
    if (nDays == null || nDays == 0) nDays = 1;
    expire.setTime(today.getTime() + 3600000 * 24 * nDays);
    document.cookie = cookieName + "=" + escape(cookieValue)
                 + ";expires=" + expire.toGMTString() + ";path=/";
}

function ReadCookie(cookieName) {
    var theCookie = " " + document.cookie;
    var ind = theCookie.indexOf(" " + cookieName + "=");
    if (ind == -1) ind = theCookie.indexOf(";" + cookieName + "=");
    if (ind == -1 || cookieName == "") return "";
    var ind1 = theCookie.indexOf(";", ind + 1);
    if (ind1 == -1) ind1 = theCookie.length;
    return unescape(theCookie.substring(ind + cookieName.length + 2, ind1));
}


function zoom(_zoomLevel) {

    var zoomLevel = _zoomLevel + "%";

    SetCookie('myzoom', _zoomLevel, 7);

    document.body.style.zoom = zoomLevel;



    //     Session("zoomLevel") = _zoomLevel;
    //    alert(ReadCookie('myzoom'));
}

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