How create a popup on mouseover depending on the item?

How create a popup on mouseover depending on the item?

References

Reference NO 1

http://stackoverflow.com/questions/15190309/how-create-a-popup-on-mouseover-depending-on-the-item

Reference NO 2

http://www.wickham43.net/hoverpopups.php

Reference NO 3

http://superuser.com/questions/201418/show-a-popup-when-hovering-over-a-link-or-button-in-powerpoint

Reference NO 4

http://www.daniweb.com/web-development/javascript-dhtml-ajax/threads/76965/creating-a-popup-menu-on-mouse-over

Reference NO 5

http://www.nicolashoening.de/?twocents&nr=8

Reference NO 6

http://web.cortland.edu/flteach/mm-course/glossPopupDiv.html

Reference NO 7

http://www.simplemachines.org/community/index.php?topic=52582.0

Reference NO 8

https://forums.oracle.com/thread/2506685