// The following contional statements allow the event to work in FireFox
if (window.document.addEventListener) {
    window.document.addEventListener("keydown", KeyDown, false);
} else {
    window.document.attachEvent("onkeydown", KeyDown);
}
function KeyDown(evt) {
    if (!evt) evt = event;
    if (evt.ctrlKey && evt.altKey && evt.keyCode == 83) { //CTRL+ALT+s
        location.href = "/staff/Default.aspx?ReturnUrl=" + document.URL;
    }
}