var rate = 1000
// do not edit below this line
var i = 0;
var F = 'F1';
function doThing() {
if (document.getElementById&&document.all) {
ok = true;
i++;
if (i==1) F = 'F1';
if (i==2) F = 'F2';
if (i==3) F = 'F3';
YammaYamma.className = F;
if (i > 2) i = 0;
timer = setTimeout('doThing()', rate);
   }         
}