if(document.all) {
    window.attachEvent("onload", admin);
}else {
    window.addEventListener("load", admin, false)
}


function admin() {
    document.onkeydown = function(e) {
        if( (window.attachEvent && event.keyCode==123) ||
            (!window.attachEvent && e.keyCode==123)
        ){
            document.location.href = "/private/home.aspx";
        }
    }
}