本文实例讲述了JS实现兼容火狐及IE iframe onload属性的遮罩层隐藏及显示效果。分享给大家供大家参考，具体如下：
<%
String path = request.getContextPath();
String basePath = request.getScheme() + "://"
+ request.getServerName() + ":" + request.getServerPort()
+ path + "/";
%>