.loading_overlay{z-index:9998;display:none;width:100%;height:100%;position:fixed;top:0;left:0;filter:alpha(opacity=60);-moz-opacity:0.6;opacity:0.6;background:#FFFFFF no-repeat fixed center;}
.loading{z-index:9999;position.relative;top:50%;left:50%;display:inline-block;width:64px;height:64px;overflow:hidden;background:transparent url("../image/loading.gif") no-repeat;background-size:64px 64px;}