function weightInLbs(frm){
weight = parseInt(frm.lbs.value);
feet = parseInt(frm.feet.value);
inches = parseInt(frm.inches.value);
multiplier = 703;

if (!feet == "" || !feet == 0){ 
	height = (feet * 12) + inches;
}
else {
	height = inches;
}

if (frm.feet.value.length == 0 && frm.inches.value.length == 0){
	alert("Please enter height");
}
else if (frm.lbs.value.length == 0 || weight == 0){
	alert("Please enter weight");
}
else {
	bmi = (weight * multiplier)/(height * height);	
	frm.bmi.value = bmi.toFixed(1);
}

}
function weightInKgs(frm){
weight = parseFloat(frm.kgs.value);
height = parseFloat(frm.meters.value);

if (frm.meters.value.length == 0){
	alert("Please enter height");
}
else if (frm.kgs.value.length == 0 || weight == 0){
	alert("Please enter weight");
}
else {
	bmi = weight/(height * height);	
	frm.bmi.value = bmi.toFixed(1);
}

}