You have seen "Jump to Top" or "Back to Top" or "Scroll to Top" button on many websites. This button let the visitor to go back to the top of the website when he/she is scrolled to the bottom of that website.This also helps when you have long lengthy posts.
Add "Back to Top/Jump to Top" button
1. Go to
Design >> Page Elements >> Add a Gadget >> HTML/JAVA Script.
2. Add following code there and save
<a style="display:scroll;position:fixed;bottom:5px;right:5px;" href="#" title="Back to Top"><img src="http://2.bp.blogspot.com/-2rqNyxZ10uk/TZwPcAIyy9I/AAAAAAAAMOQ/7iop79h5m7U/s1600/back+to+top.jpeg" /></a>
You can choose different buttons that are well suitable with your blog.