FONT SIZE: 

The alternative to using javascript is to adjust the settings in your browser.  On most browsers MENU BAR you click on VIEW, then TEXT SIZE, FONT SIZE or something similar and then click the option of your choice.

DATE & TIME:

This script outputs a greeting and the current date and time to the screen.  Not neccesary for the functionality of the site and no alternative is required.

MENU: 

The menu script holds the vertical menu in the to right corner of the window as you scroll up and down.  There is an alternative menu towards the bottom of the page.

LOCATION:

This script defines the location of the current page within the site root.  Useful but not essential for functionality.