隐藏窗口等待操作完成

html元素

 
  加载中，请稍后。。。
 

jquery
$('#loadHintDiv').css('visibility','visible');

css
#loadHintDiv{
	position:absolute;
    width:99%;
	height: 99%;
    line-height:250px;
    font-size:24px;
    font-family: "楷体";
	text-align: center;
    border:1px solid gray;
    background-color: #afffff;
    z-index:100;
    filter:alpha(Opacity=70);-moz-opacity:0.7;opacity: 0.7;
    visibility:hidden;
}