Fix for ‘tinyMCE is undefined’ error in Internet Explorer

In Drupal, the WYSIWYG module, TinyMCE and Img_Assist are commonly installed to provide a reasonable Editing environment along with the ability to embed images into posts.

Unfortunately, the cobmination of TinyMCE module along with Img_Assist can cause problems on IE6 and IE7.

The symptom

If you get “Error: ‘tinyMCE is undefined’ ” error in IE6 and IE7 and if you view the page source, you see something like this:


<script type="text/javascript" src="/sites/all/modules/img_assist/drupalimage/langs/en.js?M"></script>


The Fix

When running Img_assist, wysiwyg editor and TinyMCE, here’s the fix:

In editor_plugin.js (/site/all/modules/img_assist/drupalimage)

At approx line 6, replace this line:


tinymce.PluginManager.requireLangPack('img_assist');


With this:


// FIX TinyMCE problem...
tinyMCE.addI18n('en.img_assist', {desc : 'Insert or update an embedded image.'});
// ...END


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