#ptt-button {
	width:162px;
	height:58px;
	margin-left:4px;
	}
	#ptt-button a {
		background:url("../images/ptt-button.gif");
		width:162px;
		height:58px;
		display:block;
		}
		#ptt-button a:hover {
			background-position:0px -58px;
			}
	#ptt-button a span {
		display:none;
		}

#ptt-button_sub {
	width:162px;
	height:58px;
	margin-left:46px;
	}
	#ptt-button_sub a {
		background:url("../images/ptt-button_sub.gif");
		width:162px;
		height:58px;
		display:block;
		}
		#ptt-button_sub a:hover {
			background-position:0px -58px;
			}
	#ptt-button_sub a span {
		display:none;
		}