Someone

<html>
<head>
<script type = "text/javascript">
function add(){
var a = 0.45; var b=0.30; var c=0.21;

var x= ((a*(getElementsByName("Apple"))+(b*(getElementsByName("Banana"))+(c*(getElementsByName("Orange")));

var y= x*0.015;

alert("You total cost is $"+ (y+x));
}</script>

<body>
<form method = "Post" Action= " ">

<input type="text" Name="Apple">Apples<br>
<input type="text" Name="Banana">Bananas<br>
<input type="text" Name="Orange">Oranges<br>

<input type="Submit" Value="Submit" OnClick="add()">
<input type="Reset" Value="Clear">
</form>
</body>
</html>