[рони]

adik7960,

var timerId, n, flag,
r = function(a) {alert(a)};
function em(a) {
    flag ? n = a : (r(a), n = !1, flag = !0,
        timerId = setTimeout(function () {
        flag = !1;
        n && em(n)
    }, 5000))
};
em(1);
em(2);