title: Adding background images to navigation menu in wordpress and change images dynamicaly
body: <p>In my wordpress home page having navigation menus , so i want to add 4 different images to first 4 navigation menu's then if 5th menu is available then gives 1st menus image as background likewise for 6th -> 2nd image , for 7th -> 3rd image, for 8th-> 4th image such sequence goes running till end of the menu list. So it continue the group of 4 series. So for navigation images i uses the <strong>unorderd list</strong> this tag .
  So please help me out.. I am suck on that problem.</p>