Major revamp to sidebar editor. Some behavioral changes as well as being based on jQuery UI Sortables. Creation interface remains the same, but better strings merged in from stable.

.mcePageBreak {display:block;border:0;width:100%;height:12px;border-top:1px dotted #ccc;margin-top:15px;background:#fff url(../img/pagebreak.gif) no-repeat center top;}