Open a excerpt my blog page

Open a excerpt my blog page

Hello,
I have wordpress blog, and  i want create a webb app with jquerymobile, but instead of opening the entire home page, I'd like to open only a portion (that says read more) and then clicking on read more, go directly the selected article.

Thanks.

This is my example:
http://jsfiddle.net/GFqt6/11/