Update README.md

== Iframed ==

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# iframed

The following code is used to combine Elphel's websites in a single tab of a browser. Those sites use different engines: drupal, wordpress, wikimedia, gitlab and mailing archive

## Features

* Any number of websites in one tab

* Combined search

* If enabled, inter-frame communication follows links to a site that already have a dedicated iframe

## Notes

* \<iframe\> tags are used

* some webservers or websites (like GitLab) must include appropriate headers in the response:

`X-frame-Options: ALLOW-FROM https://www.elphel.com/`

* Elphel's websites have special .htaccesses configuration redirecting requests from non-'elphel' domains to the iframed website: www.elphel.com.

* Individual website can be accessed through the name if the iframe which is a link

## Usage

* Provide a list of target websites in the $TARGET_LIST - PHP in index.php.

* Set order, number of columns and base width - JS part in index.php.

* (optional) To enable inter-frame links following child websites should include the following js code:

```

<script src="https://www.elphel.com/js/elphel_messenger.js"></script>

<script>ElphelMessenger.init();</script>

```

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