Hi John,

I was hoping someone with a link would chime in here fairly quickly,
but in the absense of that...

This is a known problem.  On IE, to implement the dom:loaded event,
Prototype uses a deferred script tag:

* * * *
    document.write("<script id=__onDOMContentLoaded defer src=//:><\/
    $("__onDOMContentLoaded").onreadystatechange = function() {
      if (this.readyState == "complete") {
        this.onreadystatechange = null;
* * * *

I believe there's an effort under way to change how dom:loaded is
fired on IE so it doesn't do that, as this isn't the only problem it

T.J. Crowder
tj / crowder software / com
Independent Software Engineer, consulting services available

On Feb 3, 4:43 pm, "john.deig...@gmail.com" <john.deig...@gmail.com>
> When loading a page that includes the prototype.js library (I've tried
> both and, IE 7 pops up a dialog box that says
> "Content from the Web site below is being blocked by Internet Explorer
> Enhanced Security Configuration" and lists the URL "http://";. That's
> right - no IP Name, 'localhost' or anything. Any attempt to add this
> to IE's allowed URLs fails since it's not a valid URL. A web page as
> simple as the one below exhibits this sympton. If I remove the link to
> prototype.js, the behavior goes away.
> <html>
> <head>
>         <title>testing</title>
>         <script language="javascript" type="text/javascript" src="/javascript/
> prototype.js"></script>
> </head>
> <body>
> <p>testing</p>
> </body></html>
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