* {margin:0;padding:0}
/* mac hide \*/
html,body{height:100%;width:100%;}
/* end hide */
body { 
	text-align:center;
	min-height:580px;/* for ie7 540*/
}
#xouter{
	height:100%;
	width:100%;
	display:table;
	vertical-align:middle;
}
#xinnerwrap {
	text-align: center;
	position:relative;
	vertical-align:middle;
	display:table-cell;
	height: 580px; /*540*/
}	
#xinner {
	width: 970px;
	background:#fff;
	height: 580px; /*540*/
	text-align: center;
	margin-left:auto;
	margin-right:auto;
	vertical-align:baseline;
}