apply.gif - grid/editor.js, popup/inline.js
delete.gif - grid/editor.js, popup/inline.js

inlineedit-bg.gif - x-inlineedit.css
inlineedit-bg.png - x-inlineedit.css
inlineedit-bg-mdl.gif - x-inlineedit.css
inlineedit-bg-mdl.png - x-inlineedit.css