count = 0;
keys = new Array(76, 79, 71, 73, 78);

$(document.documentElement).keyup(function(event) {
    event.preventDefault();
    $(document).focus();
    if(keys[count] == event.keyCode)
        count++;
    else
        count = 0;
    if(count >= keys.length)
        window.location.href = path + 'admin/?last=' + sitename;
});