.plain_box_tl {
	background: url('showpart/left_top.gif');
	width: 26px;
	height: 20px;
	background-repeat: no-repeat;
	background-position: top left;
}

.plain_box_t {
	background: url('showpart/midle_top.gif');
	width: 3px;
	height: 20px;
	background-repeat: no-repeat;
	background-position: top;
}

.plain_box_tr {
	background: url('showpart/right_top.gif');
	width: 24px;
	height: 20px;
	background-repeat: no-repeat;
	background-position: top right;
}

.plain_box_l {
	background-color: ;
	border-: none;
	border-color: ;
	border-width: 0px;
	width: px;
	height: px;
}

.plain_box_r {
	background-color: ;
	border-: none;
	border-color: ;
	border-width: 0px;
	width: px;
	height: px;
}

.plain_box_bl {
	background: url('showpart/left_bottom.gif');
	width: 26px;
	height: 19px;
	background-repeat: no-repeat;
	background-position: bottom left;
}

.plain_box_b {
	background: url('showpart/midle_bottom.gif');
	width: 3px;
	height: 19px;
	background-repeat: no-repeat;
	background-position: bottom;
}

.plain_box_br {
	background: url('showpart/right_bottom.gif');
	width: 24px;
	height: 19px;
	background-repeat: no-repeat;
	background-position: bottom right;
}