This tutorial explains how to identify IE4+ or NS4+ on a windows 32 bit platform (all else is "OtherBrowser") and include different html Web pages for different browser types using PHP.
Let's pretend you have 10 pages in your site with the same design and you want to change a link in your menu. You would have to edit all 10 pages, right? Nope, there's a much quicker way allowing you to edit just one file and it's not as hard as it sounds. What we have to do is create a header file and a footer file. The header file contains all the HTML code for the top portion of your site. The footer contains the HTML for the bottom. Content goes between the header and footer. Let's get started...