How to get the same view each time when the tab is selected?
===

I have a tabbar based iphone application ,inwhich each tab is itself a navigation controller .so in each tab views there is subviews,which i am pushing in to the self.nVIGtion controller.The problem is when i push one view ,then select anther tab and then cameback and select the same tab ,then it will be showing that pushed view.not the view that i am  wanted come.Can anybody help me to achieve the rootview everytime the tab is selected?anybody has the idea how to do that?