Time Left, Body Mass Index

Baby Mass Index

COMMENTS: Enter your weight in kilograms and your height in centimeters
in the form below and press the "Let's see" button
(Please read disclaimer below before using this form)

Source Code

<form name="BMI" method="POST">
					<table border="1">
						<tr>
							<td>
								<center>
									Your Weight (kg)</center>
							</td>
							<td>
								<center>
									Your Height (cm)</center>
							</td>
							<td>
								<center>
									Your BMI</center>
							</td>
							<td>
								<center>
									My Comment</center>
							</td>
						</tr>
						<tr>
							<td><input type="text" name="weight" size="10" onfocus="this.form.weight.value=''"></td>
							<td><input type="text" name="height" size="10" onfocus="this.form.height.value=''"></td>
							<td><input type="text" name="bmi" size="8"></td>
							<td><input type="text" name="my_comment" size="24"></td>
						</tr>
					</table>
					<p><input type="button" value="Let's see" onclick="computeform(this.form)"> <input type="reset" value="Reset" onclick="ClearForm(this.form)"> 
					<script language="JAVASCRIPT"><!--
function ClearForm(form){

form.weight.value = "";
    form.height.value = "";
    form.bmi.value = "";
    form.my_comment.value = "";

}

function bmi(weight, height) {

bmindx=weight/eval(height*height);
          return bmindx;
}

function checkform(form) {

if (form.weight.value==null||form.weight.value.length==0 || form.height.value==null||form.height.value.length==0){
            alert("\nPlease complete the form first");
            return false;
       }

else if (parseFloat(form.height.value) <= 0||
                parseFloat(form.height.value) >=500||
                parseFloat(form.weight.value) <= 0||
                parseFloat(form.weight.value) >=500){
                alert("\nReally know what you're doing? \nPlease enter values again. \nWeight in kilos and \nheight in cm");
                ClearForm(form);
                return false;
       }
       return true;

}

function computeform(form) {

if (checkform(form)) {

yourbmi=Math.round(bmi(form.weight.value, form.height.value/100));
       form.bmi.value=yourbmi;

if (yourbmi >40) {
          form.my_comment.value="You are grossly obese, consult your physician!";
       }

else if (yourbmi >30 && yourbmi <=40) {
          form.my_comment.value="Umm... You are obese, want some liposuction?";
       }

else if (yourbmi >27 && yourbmi <=30) {
          form.my_comment.value="You are very fat, do something before it's too late";
       }

else if (yourbmi >22 && yourbmi <=27) {
          form.my_comment.value="You are fat, need dieting and exercise";
       }

else if (yourbmi >=21 && yourbmi <=22) {
          form.my_comment.value="I envy you. Keep it up!!";
       }

else if (yourbmi >=18 && yourbmi <21) {
          form.my_comment.value="You are thin, eat more.";
       }

else if (yourbmi >=16 && yourbmi <18) {
          form.my_comment.value="You are starving. Go Find some food!";
       }

else if (yourbmi <16) {
          form.my_comment.value="You're grossly undernourished, need hospitalization ";
       }

}
       return;
}
// -->
					</script>