<!-- Do not copy any part of this script without permission; James T. Griffing, MS, BS; http://www.planetkc.com/exrx/ //--><!-- 
function calc (form) {
if (form.RepsPerformed.value < 10){
     form.OneRepMax.value = Math.round(form.WeightLifted.value/(1.0278-0.0278*form.RepsPerformed.value))
}
  if (form.RepsPerformed.value == 10){
     form.OneRepMax.value = Math.round(form.WeightLifted.value/0.75)
}
  if (form.RepsPerformed.value > 10){
     alert ("Las repeticiones realizadas deben ser entre 1 y 10")
}
form.A.value = Math.round(form.OneRepMax.value*0.50)
form.B.value = Math.round(form.OneRepMax.value*0.55)
form.C.value = Math.round(form.OneRepMax.value*0.60)
form.D.value = Math.round(form.OneRepMax.value*0.65)
form.E.value = Math.round(form.OneRepMax.value*0.70)
form.F.value = Math.round(form.OneRepMax.value*0.75)
form.G.value = Math.round(form.OneRepMax.value*0.80)
form.H.value = Math.round(form.OneRepMax.value*0.85)
form.I.value = Math.round(form.OneRepMax.value*0.90)
form.J.value = Math.round(form.OneRepMax.value*0.95)
}
//-->