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