title: Expand selected text by one word
body: <p>The TextRange object of IE has expand function through which you can expand the text selection to complete the word or sentence. It only works for IE. More: <a href="http://www.webreference.com/js/column12/trmethods.html" rel="nofollow">http://www.webreference.com/js/column12/trmethods.html</a></p>
  
  <p>It would be great if someone can help me and make it work cross-browser.</p>