For pages that are several folds long, providing a quick way to get to the top may be appreciated by your visitors. Use this script to do just that, via a hovering lower right link.
Developer: dynamicdrive.com Platform: Date upd:2001-03-29 Hits3134 [Visit]

A variation in the swapp programming, where you don't need any kind of cache to preload the images, the image changes like in your HD, and you can change without any kind of problem between a small to a large image. Has to be
Developer: superprodesign.com Platform: Date upd:2003-06-02 Hits1298 [Visit]

This script lets you display content in tight areas on your page, by displaying the content on top of any link used to activate it. The content floats above and overlaps anything beneath it. It's extremely handy for displaying search boxes, additional links etc
Developer: Dynamic Drive Platform: linux, windows Date upd:2005-11-12 Hits2586 [Visit]

Rollover (Mouseover) is one of the most simple and at the same time the most frequently occurring script on web-pages. Nevertheless in 90% of the cases this simple script is made incorrectly. The fact! This simple script does not have this lack.
Developer: Konstantin Jagello Platform: linux, windows, freebsd, osx, sun Date upd:2007-03-28 Hits670 [Visit]

This short, simple, cut-and-paste script opens the Set Homepage dialogue in IE 5 and later browsers, letting your visitors set your page as their homepage. Uses IE5 conditional comments so that the link does not show in browsers that do not support this feature.
Developer: codelifter.com Platform: Date upd:2004-03-05 Hits8002 [Visit]