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;}