.pos_r{
	position:relative;
}
.pos_a{
	position:absolute;
}
.m_8{
	margin-top:8px;
}
#bottom{
	width:1100px;
	height:142px;
	margin:0 auto;
	padding-top:40px;
	text-align:center;
	background:url(bottom_bj.gif) no-repeat;
}
.bottom .t_a{
	clear:both;
	margin-top:20px;
	text-align:center;
}
.bottom .m_lr_8{
	margin:0 10px;
}