With every new post, my website start to…

With every new post, my website start to refresh. It wasn’t this way, when I installed this P2 Theme few months ago.
I couldn’t figure out what’s happening, mabe some AJAX issues. It refresh and not reloading any content, whereas P2 theme supposed to be Real-Time blogging. It should show up the new post almost in the next seconds.
Maybe its time to upgrade and change a new theme.