function FigureBMI()
{   

	var feet = document.getElementById("feet").value;
	
	var inches =document.getElementById("inches").value;
	var pounds = document.getElementById("pounds").value;
	
	var standard = document.getElementById("standard").checked;
	
	var metric = document.getElementById("metric").checked;
	
	
    if(feet=="" || inches=="" || pounds=="")
    {
        alert("Please Fill In All The Fields For The BMI Calculator");
        return;
    }  
    
    if(standard)
    {
        totalinches = eval(feet*12) + eval(inches);
        document.getElementById("bmi").value=custRound((pounds/(totalinches*totalinches))*703,1);
    }
    else if(metric)
    {		
        var meter=eval(feet);
        var cm=eval(inches);
        var kilos=eval(pounds);
        var totalcm=(meter*100) + cm;
        var bmi=kilos/(totalcm*totalcm)*10000; 
        document.getElementById("bmi").value=custRound(bmi,1);
    }
    else
    {
        return;
    }

}
function custRound(x,places)
{
	return (Math.round(x*Math.pow(10,places)))/Math.pow(10,places)
}