.top_bnr {
	margin:0 auto;
	height:139px;
	width:867px;
	margin-top:-60px;
	
			background-image:url(images/banners/372234715152935.jpg);
		
	
	background-repeat:no-repeat;
	}
	.bnr_index {
	margin:0 auto;
	height:253px;
	width:867px;
	margin-top:-60px;
	background-image:url(images/bnr_index.gif);
	background-repeat:no-repeat;
	z-index:-1;
	}