I require a simple script to do the following:
1. Detect the OS the visitor is using
2. The type of browser the visitor is using
3. Allow the visitor do download a file specific to there OS and Browser when the download button on the site is clicked.
4. After the download button is clicked the visitor should be taken to a next page or website automatically
Here is a site demonstrating the process I am speaking about: [url removed, login to view]
Notice that on that demo site when you click the download button the download file starts and then the visitor is taken to another page