If you have lot of posts in a label or achieve page , its essential that you provide an easy navigation to the top portion of the page without making your visitors to scroll a lot .
Here's how you can do that.
Open your Blogger template's layout section and select edit HTML .
Move on to the bottom portion of your template and find out </body> .
Copy and paste the following HTML code above that section.
a href='#' style='display:scroll;position:fixed;bottom:5px;right:1px;' title='move on to top of page'><img src='http://img401.imageshack.us/img401/710/homepa2.gif'/></a>
Now save your template and preview the top of page link . Make necessary changes by editing the HTML code .