<!--
function calc (form) {
var S, Sum
S = form.Sex.options[form.Sex.selectedIndex].value
Sum = 1*form.Triceps.value + 1*form.Calf.value
  if (S == "Boy") {
     form.PercentFat.value = (Sum*0.735)+1
     form.LowRange.value = 10
     form.HighRange.value = 19.9
    if (form.PercentFat.value < 6) {
     form.Rating.value =" Very Low"
}
    if (form.PercentFat.value >= 6) {
     form.Rating.value ="Low"
}
    if (form.PercentFat.value >= 10) {
     form.Rating.value ="Optimal Range"
}
    if (form.PercentFat.value >= 20) {
     form.Rating.value ="Moderately High"
}
    if (form.PercentFat.value >= 24.6) {
     form.Rating.value ="High"
}
    if (form.PercentFat.value >= 31) {
     form.Rating.value ="Very High"
}
}
  if (S == "Girl") {
     form.PercentFat.value = (Sum*0.61)+5.1
     form.LowRange.value = 15.1
     form.HighRange.value = 25
    if (form.PercentFat.value < 11) {
     form.Rating.value =" Very Low"
}
    if (form.PercentFat.value >= 11) {
     form.Rating.value ="Low"
}
    if (form.PercentFat.value >= 15.1) {
     form.Rating.value ="Optimal Range"
}
    if (form.PercentFat.value >= 25.1) {
     form.Rating.value ="Moderately High"
}
    if (form.PercentFat.value >= 30.1) {
     form.Rating.value ="High"
}
    if (form.PercentFat.value >= 35.5) {
     form.Rating.value ="Very High"
}
}
form.FatWeight.value = form.Weight.value*form.PercentFat.value/100
form.LeanWeight.value = form.Weight.value-form.FatWeight.value
}
//-->