// JavaScript Document
function calc_rmr()
{
  var form = document.rmr;
  wt_kg = (form.lbs.value / 2.2);
  ht_cm = (((form.feet.value * 12) + (form.inches.value * 1)) * 2.54);
  age_yrs = form.age.value;
  // women
  if (form.sex.options[1].selected)
  {
     total_rmr = (655.1 * 1) + 
           (9.563 * wt_kg) + 
           (1.850 * ht_cm) - 
           (4.676 * age_yrs);
  }
  // men
  else if (form.sex.options[0].selected)
  {
    total_rmr = (66.5 * 1) + 
           (13.75 * wt_kg) + 
           (5.003 * ht_cm) - 
           (6.775 * form.age.value);
  }
 total_rmr = Math.round(total_rmr);
  form.total_rmr.value = total_rmr;
}