<!-- Begin

function compute(){
   var f = top.document.forms[0];
   var fi = parseInt(f.htf.options[f.htf.selectedIndex].value * 12);
   var ii = parseInt(f.hti.options[f.hti.selectedIndex].value);
   var i = fi + ii;

   w = f.wt.value;

   if (chkw(w)){

      f.bmiprime.value = cal_bmi(w, i);

	   if (bmiprime >= 1){
	      alert("A BMI Prime above 1 is considered on the heavy side of things. At or above 1.2 is considered obese.");
	   } else { if (bmiprime <= 0.75){
	      alert("You might want to see a health professional about getting your weight up to a healthy level.");
	   } else { alert("Looking good!"); } }

   } else { alert("Please enter your weight in pounds."); }
}

function chkw(w){
   if (isNaN(parseInt(w))){
      return false;
   } else if (w < 0){
      return false;
   }

   else{
      return true;
   }
}

function cal_bmi(lbs, ins){
   h2 = ins * ins;
   bmi = lbs/h2 * 703
   bmiprime = bmi/25;
   f_bmiprime = Math.floor(bmiprime);
   diff  = bmiprime - f_bmiprime;
   diff = diff * 100;
   diff = Math.round(diff);
   diff = diff / 100;

   if (diff == 100){
      f_bmiprime += 1;
      diff = 0;
   }

   bmiprime = f_bmiprime += diff;

   return bmiprime;
}

// End -->