$(document).ready(function(){

});

function formatCurrency(num) {
   num = !isNaN(num) ? Math.round(num * 100) / 100 : 0;
   num.toString().indexOf(".") == -1 ? num += ".00" : void 0;
   while(/\.\d{0,1}$/.test(num)) num += "0";
   return num;
}


function calcbmi(){
var height_feet = 0;
var height_inches = 0;
var height_total = 0;
var weight = 0;
var bmi = 0;

var height_feet = document.bmiform.your_height_feet.value;
var height_inches = document.bmiform.your_height_inches.value;
height_feet = height_feet * 12;
height_total = Number(height_feet) + Number(height_inches);
var weight = document.bmiform.your_weight.value;
var adj_weight = weight * 703;
var adj_height = height_total * height_total;
bmi = adj_weight / adj_height;

var formatedbmi = formatCurrency(bmi)


if (formatedbmi < 18.5)
{
weight_text = 'Underweight'
}
else if(formatedbmi>= 18.5 && formatedbmi < 25 )
{
weight_text = 'Normal'
}
else if(formatedbmi>= 25 && formatedbmi < 30 )
{
weight_text = 'Overweight'
}
else if(formatedbmi>= 30 && formatedbmi < 40 )
{
weight_text = 'Obese'
}
else
{
weight_text = 'Morbidly Obese'
}
document.bmiform.your_bmi.value = formatedbmi + ' ' + weight_text
}