(Html Script):

<!DOCTYPE html>
<html>
<head>
<title>Brandons Functions</title>
</head>
<body>
<script type="text/javascript" src="prjs4_2.js"></script>
<strong>This is some strong text.</strong></br>
</body>
<script>
document.write(stringTwo);
</script>
</html>

-----------------------------------

(The Js Script, "prjs4_2.js")

function twoStrings(a, b) {
return a+' '+b;
}
function pointless(a){
return a;
}

var stringOne = pointless(twoStrings('hi', 'there!'));
document.write(stringOne);

var stringtwo = twoStrings('Regular', 'text!');

alert(stringTwo);

----------------------------------------

Please help?