I found this questions asking how to do this in many different forums, so I will describe here how to implement a solution using PHP and AJAX.
The logical flow for the problem should be:
Write an event handler for the first drop down box to get …
The viewer will receive an overview of the basics of CSS showing inline styles.
In the head tags set up your style tags:
Reference the nav tag and set your properties.: (CODE)
Set the reference for the UL element and styles for it to ensu…