// JavaScript Document

<!--
function ComputeRate(form)
{
    if (form.age.value != null && form.age.value.length >= 0)
        {
        var i = form.age.value;
var j = (220-i)*.6;
var k = (220-i)*.9;
form.heartrate.value = Math.round(j) + "-" + Math.round(k);
        }
        return;
}

function ClearRate(form){
        form.age.value = "";
        form.heartrate.value = "";
}

// -->