Adjust script for random colors in CSS

I have this script: This script makes a random color appear for the background of each link every time the page reloads. So first load it might make the background yellow, then if you refresh the background might be green. I need this script adjusted so it gives a random color over each link every time a link is hovered on without reloading the page. So if you hover LINK A it should show a blue background for example, and if you mouse off LINK A then put your mouse over it again it should then show green background without reloading the page. This is a very small script and I need it right away please. Here is an example of what i mean in another script: [login to view URL] See the third example titled 'Differnt Mouseover Color Each Time' I need this same effect added into my script, with [login to view URL] and the .