The Blogger Navbar replaces the default ad block formerly inserted on blogspot.com pages with a more useful navigation tool. Navbar features include:

Blogger: takes you back to www.blogger.com.
Search: searches the blog you’re viewing, via Google SiteSearch.
BlogThis!: a popup for quick ‘n easy blogging, further explained in the BlogThis! Help article.
Get Your Own Blog: another link to www.blogger.com.
NextBlog: takes you to a random, recently-updated Blogger blog.
The Navbar appears on all freely-hosted Blog*Spot blogs, but can be disabled for users publishing via FTP. It is available in four colors, and is configured in the Template tab in Blogger’s interface:

Once you’ve made your selection, click Save:

Then Republish your blog:

Notes:

Unless you publish your blog via FTP, the Navbar cannot be disabled. If Google isn’t returning any search results for your blog, it’s probably because your blog hasn’t been indexed yet. Google has a page where you can make sure your blog is in its index.
We’ve made every effort to make sure the Navbar doesn’t interfere with custom template designs. However, some display problems may occur. Here are a few things to try if you are running into trouble:
• add style=’margin-top:40px;’ to the topmost element of your Template. (i.e.

<>

would become

<>

)
• make sure the closing tag is present; it should be go before the tag.