// convert numeric time to string
function cTime(time) {
  if (isNaN(time)) return time
  if (time-Math.floor(time) != 0) {
    var n=time*10
    if ((n-Math.floor(n))==0) time+="0"
  }
  else time+=".00"
  return (((time<10)?"0":"")+time).substring(0,5)
}