var objid = 1;
var interval_best;
 
function DisplayMenu(index) {
  objid=index;
  for (i=1; i<=2; i++)
    if (index == i) {
        thisMenu = eval("ff" + index + ".style");
        thisMenu.display = "";
    } else {
        otherMenu = eval("ff" + i + ".style"); 
        otherMenu.display = "none"; 
    }
}
function best_change() {
  if( objid == 2 ) objid = 1;
  else             objid++;
 
  DisplayMenu(objid);
}
 
function setInterval_best() {
 interval_best = window.setInterval("best_change()",5000);
}
 
function clearInterval_best() {
  window.clearInterval(interval_best);
}
 
function t_mouseover(id) {
  DisplayMenu(id);
  clearInterval_best();
}
 
//setInterval_best();