Lets Make a Scrolling Bar menu for your Blog
Login To Blogger Go To > Design > Page Elements.
Simply add a Gadget of HTML/JavaScript type.
add this code in to it:
<div style="overflow:auto;width:260px;height:300px;padding:10px;">
<ul>
<li><a href="Your Link">Your Text</a></li>
<li><a href="Your Link">Your Text</a></li>
<li><a href="Your Link">Your Text</a></li>
<li><a href="Your Link">Your Text</a></li>
<li><a href="Your Link">Your Text</a></li>
<li><a href="Your Link">Your Text</a></li>
<li><a href="Your Link">Your Text</a></li>
<li><a href="Your Link">Your Text</a></li>
<li><a href="Your Link">Your Text</a></li>
<li><a href="Your Link">Your Text</a></li>
<li><a href="Your Link">Your Text</a></li>
<li><a href="Your Link">Your Text</a></li>
<li><a href="Your Link">Your Text</a></li>
<li><a href="Your Link">Your Text</a></li>
<li><a href="Your Link">Your Text</a></li>
<li><a href="Your Link">Your Text</a></li>
<li><a href="Your Link">Your Text</a></li>
<li><a href="Your Link">Your Text</a></li>
</ul>
</div>
Replace Your Link and Your Text with your contents.<ul>
<li><a href="Your Link">Your Text</a></li>
<li><a href="Your Link">Your Text</a></li>
<li><a href="Your Link">Your Text</a></li>
<li><a href="Your Link">Your Text</a></li>
<li><a href="Your Link">Your Text</a></li>
<li><a href="Your Link">Your Text</a></li>
<li><a href="Your Link">Your Text</a></li>
<li><a href="Your Link">Your Text</a></li>
<li><a href="Your Link">Your Text</a></li>
<li><a href="Your Link">Your Text</a></li>
<li><a href="Your Link">Your Text</a></li>
<li><a href="Your Link">Your Text</a></li>
<li><a href="Your Link">Your Text</a></li>
<li><a href="Your Link">Your Text</a></li>
<li><a href="Your Link">Your Text</a></li>
<li><a href="Your Link">Your Text</a></li>
<li><a href="Your Link">Your Text</a></li>
<li><a href="Your Link">Your Text</a></li>
</ul>
</div>
you can edit width,height and padding in blue to adjust it to your blog.
Now click Save and That's It.