<html>
<head>
<script>
function changeSomeOne(){
document.myForm.button2.value = "Something Else";
return true;
}//end function
</script>
</head>
<body>
<form name="myForm">
<input type="button" name="button1" value="Hello" onClick="changeSomeOne()"><input type="button" name="button2" value="Goodbye"></form>
</body>
</html>