make a slider for recent posts (part 2)

in previous post ,I told you about first step of making slider for recent posts in blogger .And we finished making slider effect after first step .Now we move to step 2 .step 2 : Use javascript to get information for sliderin this step ,we will add some javascript in the code of slider effect to get information on recent posts from blog feed and show this on slider .Slider above has two parts ,