This example shows you how you can make a page that pops up a small window when the page loads. The link above will create the same popup window.
Inside the DIV tag is the code for the first popup box. This is all you need for a page to load with the main page. Replace the .html with either another page or a full URL (http://).
The second type is one where you need to click to create a popup window. Scroll down to the "a herf..."