/*
document.onkeypress = function (event) {
    event = (event || window.event);
    if (event.keyCode == 123) {
        return false;
    }
}
document.onmousedown = function (event) {
    event = (event || window.event);
    if (event.keyCode == 123) {
            return false;
        }
    }
document.onkeydown = function (event) {
        event = (event || window.event);
        if (event.keyCode == 123) {
        return false;
    }
}
*/