<!-- Do not copy any part of this script without permission; James T. Griffing, MS, BS; http://www.exrx.net //--><!-- 
function calc (form) {
var W, T
W=form.Weight.value*form.WeightUnit.options[form.WeightUnit.selectedIndex].value
T=form.Time.value/form.TimeUnit.options[form.TimeUnit.selectedIndex].value
form.Calories.value = Math.round(form.Activity.options[form.Activity.selectedIndex].value*W*T)
}
//--> 