Web Development

<script type="text/javascript">
    function animation(object, direction, number) {
        if (!number) {
            if (direction == "out") number = 255;
            if (direction == "in") number = 0;
        }

         var color = "rgb(" + number + "," + number + "," + number + ")";
         object.style.borderColor = color;


         if (direction == "out") {
             if (number == 0) return;

             var newNumber = number - 1;
             window.setTimeout(animation(object, direction, newNumber), 500);
         }

         if (direction == "in") {
             if (number == 255) return ;

             var newNumber = number + 1;
             window.setTimeout(animation(object, direction, newNumber), 500);
         }
     }
</script>