For following drop down menu I used jQuery effect. slideDown is the effect which I used in following simple drop down menu.
If you want to use this menu in your project just add following code in your html file
Well I tried to post my code here, but blogger do not allows some code to be posted, so I uploaded these files and following is the link for this simple drop down menu.
Download this package, in this you will find 4 files.
This is the file in which menu links are there.
This is jQuery version 1.4.4.
This file contains menu display style.
This simple drop down menu is tested on Google Chrome 7.0, Firefox 3.5.11, IE 6, IE8 and it works perfectly.