jQuery封装的页面数据加载动画效果

1、CSS样式：

@CHARSET "UTF-8";

* html .showbox,* html .overlay {
	position: absolute;
	top: expression(eval(document.documentElement.scrollTop) );
}

#AjaxLoading {
	border: 1px solid #8CBEDA;
	color: #37a;
	font-size: 12px;
	font-weight: bold;
}

#AjaxLoading div.loadingWord {
	width: 180px;
	height: 50px;
	line-height: 50px;
	border: 2px solid #D6E7F2;
	background: #fff;
}

#AjaxLoading img {
	margin: 10px 15px;
	float: left;
	display: inline;
}

.overlay {
	position: fixed;
	top: 0;
	right: 0;
	bottom: 0;
	left: 0;
	z-index: 998;
	width: 100%;
	height: 100%;
	_padding: 0 20px 0 0;
	background: #f6f4f5;
	display: none;
}

.showbox {
	position: fixed;
	top: 0;
	left: 50%;
	z-index: 9999;
	opacity: 0;
	filter: alpha(opacity =     0);
	margin-left: -80px;
}@CHARSET "UTF-8";

* html .showbo