Need help with Html
<html>
<head>
<script type="text/javascript">
<!-- Begin
function mod(div,base)
{ return Math.round(div - (Math.floor(div/base)*base));
}
function calcBmi()
{ var w1 = document.getElementById("d1").value * 2.2;
var w = document.getElementById("d2").value * 1;
var h = document.getElementById("htin").value * 1;
var h1 = document.getElementById("htcm").value * 2.54;
w=w1*2.2
h=h1*2.54
displaybmi = (Math.round((w * 703) / (h * h)));
var rvalue = true;
{
document.getElementById("answer").value = displaybmi;
if (displaybmi <19)
document.getElementById("comment").value = "Underweight";
if (displaybmi >=19 && displaybmi <=25)
document.getElementById("comment").value = "Desirable";
if (displaybmi >=26 && displaybmi <=29)
document.getElementById("comment").value = "prone to health risks";
if (displaybmi >=30 && displaybmi <=40)
document.getElementById("comment").value = "Obese";
if (displaybmi >40)
document.getElementById("comment").value = "Extremely obese";
document.getElementById("answer").value = displaybmi;
}
return rvalue;
}
// End -->
</script>
</head>
<body>
<form>
<table width=200 border=0>
<tr><td align=center>
<tr><td align=center><B>Weight:</B>
<input type=text SIZE=3 maxlength=3>
<input type="radio" id="d1" name="d">kg
<input type="radio" id="d2" name="d">lb
<tr><td align=center><B>Height:</B>
<input type=text SIZE=3 maxlength=3>
<input type=radio id="htin" size=3 name="d1">cm
<input type=radio id="htcm" size=3 name="d1"> in
</td></tr>
<tr><td align=center>
<input type=button value="Calculate BMI" onclick="calcBmi()">
<hr></td></tr>
<tr><td><B>Body Mass Index</B>
<input type=text id="answer" size=2>
</td></tr>
<tr><td> Your category is:<br>
<input type=text id="comment" size=18>
</td></tr>
</table>
</form>
</body>
</html>
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