.rbtop div {
	background: url(../images/tl.gif) no-repeat top left;
	}
.rbtop {
	background: url(../images/tr.gif) no-repeat top right;
	}
.rbbot div {
	background: url(../images/bl.gif) no-repeat bottom left;
	}
.rbbot {
	background: url(../images/br.gif) no-repeat bottom right;
	}
.rbtop div, .rbtop, .rbbot div, .rbbot {
	width:100%;
	height:7px;
	font-size:1px;
	}
.rbcontent {
	margin:0 7px;
	color:#fff;
	}
.rbroundbox {
	float:left;
	background: url(../images/nt.gif) repeat;
	width:580px;
	margin-left:5px;
	margin-top:0;
	}