/* 回到顶部 */

 #returnTop {

	_display:none;

	position:fixed;

	_position:absolute;

	z-index:999;

	right:15px;

	bottom:-200px;

	_bottom:auto;

	width:55px;

	height:104px;

	text-indent:-999px;

	overflow:hidden;

	background-image:url(imagestopback1.png);

	_background-image:url(imagestopback1.png);

	background-repeat:no-repeat;

	background-position:0 0;

	transition:bottom 0.9s;

	-webkit-transition:bottom 0.9s;

	-moz-transition:bottom 0.9s;

	-o-transition:bottom 0.9s;

}

#returnTop:hover {

	background-position:0 -104px;

}