.rtop,.rbottom{display: none}

.rtop,.rbottom{display:block}
.rtop *,.rbottom *{display:block;height: 1px;overflow: hidden}
.r1{margin: 0 5px; 
	border-top:0px solid #666;
	}
.r2{margin: 0 3px;
	border-right:0px solid #666;
	border-left:0px solid #666;	
	}
.r3{margin: 0 2px;
	border-right:0px solid #666;
	border-left:0px solid #666;	
	}
.r4{margin: 0 1px;height: 2px;
	border-right:0px solid #666;
	border-left:0px solid #666;	
	}

.rs1{margin: 0 2px; 
	border-top:0px solid #666;
	}
.rs2{margin: 0 1px;
	border-right:0px solid #666;
	border-left:0px solid #666;
	}