// set the rate of the display in milliseconds
 
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)
   }         
}