function bmi()
{


var h=0;
var bmi=0;
var w=0;
var ft=0;
var ins=0;


ft=document.getElementById('feet').value;
ins=document.getElementById('inches').value;
ins=ins/1;


h=(ft*12);
h+=ins;
w=document.getElementById('weight').value;


if (
	(h == 0) ||
	(w == 0)
	)
	{
		return 0;
	}
bmi=(w/(h*h))*703;
bmi=bmi*100;
bmi=Math.round(bmi);
bmi=bmi/100;

document.getElementById('bmi').innerHTML=bmi;

return 0;
}




function bmicheck()
{

var msg = 'Invalid weight. Please specify a valid value';
var obj=document.getElementById('weight');
var bmiPattern1=/\D/;



if ((obj.value <= 50) || (obj.value > 500) || (obj.value.match(bmiPattern1)!=null))
	{
	alert(msg);
	document.getElementById('nextpage3').disabled=true;
	document.getElementById('nextpage3').disabled=false;
	return 1;
	}


		
msg='Invalid height.  Please specify a valid value';
var ft=document.getElementById('feet').value;
var inches=document.getElementById('inches').value;


if (ft<2 || ft>7 || inches<0 ||inches>11)
	
		{
		alert(msg);
		document.getElementById('nextpage3').disabled=true;
		document.getElementById('nextpage3').disabled=false;
		return 1;
		}
	else
		{
		return 0;;
		}
}