span.line{background:url(../img/line.gif) no-repeat;padding-left:19px}span.join{background:url(../img/join.gif) no-repeat;padding-right:19px}span.empty{background:url(../img/empty.gif) no-repeat;padding-right:19px}span.joinbottom{background:url(../img/joinbottom.gif) no-repeat;padding-right:19px}span.folder{background:url(../img/folder.gif) no-repeat;padding-left:14px}span.locked{background:url(../img/locked.gif) no-repeat;padding-left:14px}