It should work with javascript as normal (at least a quick test page did that included jquery from Google's CDN and then operating on the dom).

You're right that drupal_http_request gets everything including any html, css etc and you're at the mercy of how well-formed they are. You could either create versions of the pages which just output the exact html you want (e.g. ignoring <html> and <head> tags) or you could manipulate it back in drupal (explode on "body>"?). You could optionally run it through something like HTML Purifier (can you run stuff functionally through Drupal's filters?) if you don't trust your content.

Anyway - it was just a thought based on what could be a quick and dirty solution.
 
------------------------------

Message: 3
Date: Tue, 21 Jun 2011 16:06:18 -0700
From: "Metzler, David" <metzlerd@evergreen.edu>
Subject: Re: [support] Integrating completely unrelated pages into
       Drupal
To: <support@drupal.org>
Message-ID:
       <52177C930FA90F4D9888B0343FDB79FB0277E52D@birch.evergreen.edu>
Content-Type: text/plain; charset="us-ascii"

This is a clever idea, but be warned that the embedded javascript is not
likely to render or "include" properly, and unless you run this through
an html filter likely to cause malformed html.  IIRC the data property
returned includes all of the data including headers, html head, body
tags css references etc.



Someone please correct me if I am wrong.



Dave



________________________________

From: support-bounces@drupal.org [mailto:support-bounces@drupal.org] On
Behalf Of DTH
Sent: Tuesday, June 21, 2011 3:47 PM
To: support@drupal.org
Subject: Re: [support] Integrating completely unrelated pages into
Drupal



Maybe kludgy, but could be very quick to do depending on your structure:
in a custom module:



/**

 * Implementation of hook_menu().

 */

 function example_menu() {



 $items['test/page'] = array(

   'title' => 'Test Page Title',

   'page callback' => 'test_page',

           'access arguments' => array('access content'),

           'type'=>MENU_NORMAL_ITEM

 );



 return $items;

}



function test_page(){

           $request =
drupal_http_request("http://www.example.com/pages/test.php");

           return $request->data;

}





       Date: Tue, 21 Jun 2011 12:29:20 -0500
       From: Scott Massey <scott.massey@gmail.com>
       Subject: [support] Integrating completely unrelated pages into
Drupal
       To: support@drupal.org
       Message-ID: <BANLkTik7m+C8r1-MrBdG1OG2zkgvxovQWA@mail.gmail.com
<mailto:BANLkTik7m%2BC8r1-MrBdG1OG2zkgvxovQWA@mail.gmail.com> >
       Content-Type: text/plain; charset="iso-8859-1"

       Hi!

       I am about 6 months into Drupal and enjoy it immensely. I am
putting
       together a portfolio of some web development I have done and
have several
       pages of data visualiztions using php and a javascript library
called
       Protovis. If I want to bring that into drupal as a page, is
there a way to
       do that? There are library calls, jquery, etc. I am having
trouble wrapping
       my head around how to do it. I would like the pages to be a menu
item that
       opens a page within the drupal site. Here is an example of a
page:
       http://modernamericanman.com/ids499/protovis7.php

       Thanks!

       Scott

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