title: Doing multithreading with phonegap
body: <p>I'm doing a mobile app with phonegap. My app communicate with a server in order to have the content of the page. What I want to do, is not load the content of each page thanks to the versionning. I change the content of the pages on my app only if the content in the server has change. In order to check if the content change, I would like to run a thread in background in order to see if there is new content or not.
  This is why, I would like to know if it's possible to do multithreading with phonegap? I know that it's possible with HTML5, so it must be possible with phonegap (ps : I don't want to use plugin for each platform if it's possible). 
  Thanks.</p>