How to Create custom popup window in blogspot blogger

We can create two types of popup windows for blogspot blogger.

1. Popup window comes when you click any where on your blog.

Copy and paste following code before </body>

<script type="text/javascript">
document.body.onclick= function(){
window.open('http://google.com', 'poppage', 'toolbars=0, scrollbars=1, location=0, statusbars=0, menubars=0, resizable=1, width=950, height=650, left = 300, top = 50');
}</script>

2. Automatic popup after x seconds of page loads

 <script language="javascript">

timer=setTimeout("window.open('popup.html','','width=200,height=200')",5000)

</script>