in-place editing, contenteditable

http://stackoverflow.com/questions/4609405/set-focus-after-last-character-in-text-box

http://stackoverflow.com/questions/11329982/how-refocus-when-insert-image-in-contenteditable-divs-in-ie

http://www.w3schools.com/tags/tryit.asp?filename=tryhtml5_global_contenteditable