SLICING A NAVIGATION BAR:
Ok Im going to show how to slice up your navigation bar.
1.First open up your nav bar that you have made in imageready.
2.Now select the slice tool.

3.The slice tool works just like the rectangular marquee tool,so what you wanna do is create slices over the ares that you want to be links in your navbar:

4.Now you want to select the slice select tool.

5.Now double click on one of your slices and this window should pop up:

6.Where it sayes URL: is where you want to put the link you want the slice you selected to be.(you must put http:// in the link or it will not work)

Repeat this step for all your slices and your navbar shoulb be all sliced up.