[Kolyaj]

var linksEl = document.getElementById('links');
linksEl.onmouseover = function() { this._mouseover = true; };
linksEl.onmouseout  = function() { this._mouseover = false; };
(function() {
    if (!linksEl._mouseover)
        linksEl.innerHTML = Mas[Math.floor(Math.random() * Mas.length)];
    setTimeout(arguments.callee, 10000);
})();