.bgbb{border-collapse:collapse;empty-cells:show;margin:0px;padding:0px;}
.bgbb td{margin:0px;padding:0px;}
.bgbb .tl{width:11px;height:11px;background:url(../images/bgbb/tl.png) no-repeat;}
.bgbb .t{background:url(../images/bgbb/t.png) repeat-x;}
.bgbb .tr{width:11px;background:url(../images/bgbb/tr.png) no-repeat;}
.bgbb .l{background:url(../images/bgbb/l.png) repeat-y;padding:0px;margin:0px;}
.bgbb .r{background:url(../images/bgbb/r.png) repeat-y;}
.bgbb .bl{height:11px;background:url(../images/bgbb/bl.png) no-repeat;}
.bgbb .b{background:url(../images/bgbb/b.png) repeat-x;}
.bgbb .br{background:url(../images/bgbb/br.png) no-repeat;}