Help on Navigation Path in a site

Hi
In a website when we move from one menu to another or i select a sub menu .i should dispaly a navigation path.Ex
if there are 3 menu1, menu2,menu3 and submenus and submenu1,submenu2 ,submenu3
under menu1,menu2 and menu3
when i select submenu2 which is under menu2 on page load the path should be displayed as
menu2name>>submenu2name which i selected.Help me with an attachment

vijaya