Make a navigation bar with automatic highlight current links

here is the image of navigation bar in my blog :to make a navigation bar with automatic highlight current links ,there are a lot of tutorials in internet ,they can use CSS ,PHP or Javascript for making .In this post ,I will tell you the way I did in Blogger . Blogger has some its own functions and statements , base on them ,you can make a navigation bar for your site ,easy and simple .At first ,