alxmcc2k11,
Please take a look at this “How-To” demo file that describes how to set up a php include for a menu.
The basic idea can be applied to other includes.
How To Call a menu file with PHP
Please allow me to strongly suggest that you take a fundamental course in HTML/CSS. Your collection of errors suggest an absence of understanding about HTML page structure and a reliance on very outdated information/code. The couse would be very worthwhile… time well spent.