jQuery(document).ready(function($) {
                                 $("#bmisubmit").click(function()
                                  {
                                    var bmi = 0;
                                    var height = 0;
                                    var weight = 0;
                                    height = $("[name='bmifeet']").val() * 12 + parseInt($("[name='bmiinches']").val());
                                    weight = $("[name='bmipounds']").val() * 703;

                                    bmi = weight / Math.pow(height, 2);

                                    bmi = Math.round(bmi * 10) / 10;

                                    if(bmi < 12)
                                    {
                                       desiredCat = "severly underweight";
                                    }
                                    else if (bmi < 18.5)
                                    {
                                       desiredCat = "underweight";
                                    }
                                    else if (bmi < 25)
                                    {
                                       desiredCat = "normal";
                                    }
                                    else if (bmi < 30)
                                    {
                                       desiredCat = "overweight";
                                    }
                                    else if (bmi < 35)
                                    {
                                       desiredCat = "moderately obese";
                                    }
                                    else
                                    {
                                       desiredCat = "severly obese";
                                    }

                                    if(isNaN(bmi))
                                       $('#BMIresults').hide().text('Please enter a valid height and weight.').fadeIn();
                                    else
                                       $('#BMIresults').hide().text('Your BMI is ' + bmi + ". This puts you in the " + desiredCat + " weight range.").fadeIn();

                                  });
                               });