Mega Code Archive
Create a button
<![CDATA[
<html>
<head>
<script type="text/javascript">
function show_alert(){
alert("Hello World!")
document.all("myButton").focus()
}
</script>
</head>
<body>
<form>
<input type="button" value="Click me!" name="myButton" onClick="show_alert()" />
</form>
</body>
</html>
]]>