window.open完美替代window.showModalDialog

    var url = "http//:www.baidu.com/"
    var name = "百度";
    var iWidth = 1100;//弹窗宽度
    var iHeight = 700; //弹窗高度
    var iTop = (window.screen.availHeight - 30 - iHeight) / 2;
    var iLeft = (window.screen.availWidth - 10 - iWidth) / 2;
    window.open(url, name, 'height=' + iHeight + ',innerHeight=' + iHeight + ',width=' + iWidth + ',innerWidth=' + iWidth + ',
                top=' + iTop + ',left='+ iLeft + ',toolbar=no,menubar=no,scrollbars=yes,resizeable=no,location=no,status=no');