<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<title></title>
<script type="text/javascript">
var next = 0;
function addMore() {
var box = document.createElement('DIV');
box.id = 'box' + next++;
box.className = 'redbox';
box.style.width = '150px';
box.style.height = '150px';
box.style.backgroundColor = 'red';
box.style.border = '1px solid black';
box.style.margin = '5px';
window.setTimeout(function() {
document.body.appendChild(box);
}, 1000);
}
function reveal() {
var elem = document.getElementById('revealed');
window.setTimeout(function() {
elem.style.display = '';
}, 1000);
}
</script>
</head>
<body>
<input id="adder" type="button" value="Add a box!" onclick="addMore()"/>
<input id="reveal" type="button" value="Reveal a new input" onclick="reveal();" />
<input id="revealed" style="display:none;" />
</body>
</html>