var repeat = 1; // enter 0 to not repeat scrolling after 1 run, othersise, enter 1
var title  = document.title;
var leng   = title.length;
var start  = 1;

function titleMove () {
   titl = title.substring(start, leng) + title.substring(0, start);

   document.title = titl;
   start++;

   if (start == leng+1) {
      start = 0;

      if (repeat == 0) {
         return;
      }
   }

   setTimeout("titleMove()", 130);
}

if (document.title) {
   titleMove();
}