function changeBorder(obj){
            var timer = null;
            var i = 0;
            clearInterval(timer);
            obj.onmouseover = function(){
                clearInterval(timer);
            };
            obj.style.borderColor = i++ % 2 ? "#ccc" : "#000";
            if(i>2){
                clearInterval(timer);
            }
            /*  i>8 && clearInterval(timer); */
 

        }