<!-- 
function calc (form) {
var MHR, LHR, HHR, PMeth, RMeth
LHR = form.LowHR.value / 100
HHR = form.HighHR.value / 100
  if (form.Age.value < 110) {
     MHR = 220 - form.Age.value
     PMeth = "Procenat na osnovu starosti i"
}
  if (form.Age.value >= 110) {
     MHR = form.Age.value
     PMeth = "Procenat na osnovu "
}
  if (form.RHR.value > 0) {
     form.LowBPM.value = (MHR - form.RHR.value) * LHR + form.RHR.value * 1
     form.HighBPM.value = (MHR - form.RHR.value) * HHR + form.RHR.value * 1
     RMeth = " pulsa u miru"
}
  else {
     form.LowBPM.value = MHR * LHR
     form.HighBPM.value = MHR * HHR
     RMeth = " Max pulsa"
}
form.Method.value = PMeth + RMeth
}
//-->