Code snippets to help resolve an issue where my popup window can't find my YUI RTE editor from the opening page

gistfile1.js

// definition of the editor

YAHOO.widget.Logger.enableBrowserConsole();
var myEditor = new YAHOO.widget.Editor('wysiwyg', { 
  height: '300px' , 
  width: '100%' , 
  dompath: false , 
  animate: true ,
  handleSubmit: true ,
  collapse: false ,
  
  toolbar: {
    buttons: [ 
          { group: 'parastyle', label: 'Paragraph Style', 
              buttons: [ 
              { type: 'select', label: 'Normal', value: 'heading', disabled: true, 
                  menu: [ 
                      { text: 'Normal', value: 'none', checked: true }, 
                      { text: 'Header 1', value: 'h1' }, 
                      { text: 'Header 2', value: 'h2' }, 
                      { text: 'Header 3', value: 'h3' }, 
                      { text: 'Header 4', value: 'h4' }, 
                      { text: 'Header 5', value: 'h5' }, 
                      { text: 'Header 6', value: 'h6' } 
                  ] 
              } 
              ] 
          },
          { type: 'separator' }, 
    	    { group: 'textstyle', label: 'Font Style', 
    	        buttons: [ 
    	            { type: 'push', label: 'Bold CTRL + SHIFT + B', value: 'bold' }, 
    	            { type: 'push', label: 'Italic CTRL + SHIFT + I', value: 'italic' }, 
    	            { type: 'push', label: 'Underline CTRL + SHIFT + U', value: 'underline' }, 
    	        ] 
    	    }, 
          { type: 'separator' }, 
          { group: 'indentlist', label: 'Indenting', 
              buttons: [ 
                  { type: 'push', label: 'Indent', value: 'indent', disabled: true }, 
                  { type: 'push', label: 'Outdent', value: 'outdent', disabled: true }, 
              ] 
          },
          { type: 'separator' }, 
          { group: 'indentlist', label: 'Lists', 
              buttons: [ 
                  { type: 'push', label: 'Create an Unordered List', value: 'insertunorderedlist' }, 
                  { type: 'push', label: 'Create an Ordered List', value: 'insertorderedlist' } 
              ] 
          },

    	    { type: 'separator' }, 
          { group: 'alignment', label: 'Alignment', 
              buttons: [ 
                  { type: 'push', label: 'Align Left CTRL + SHIFT + [', value: 'justifyleft' }, 
                  { type: 'push', label: 'Align Center CTRL + SHIFT + |', value: 'justifycenter' }, 
                  { type: 'push', label: 'Align Right CTRL + SHIFT + ]', value: 'justifyright' }, 
                  { type: 'push', label: 'Justify', value: 'justifyfull' } 
              ] 
          },
    	    { type: 'separator' }, 
    	    { group: 'insertitem', label: 'Insert Item', 
    	        buttons: [ 
    	            { type: 'push', label: 'HTML Link CTRL + SHIFT + L', value: 'createlink', disabled: true }, 
    	            { type: 'push', label: 'Insert Image', value: 'insertimage' } 
    	        ] 
    	    } 
    	]
  } 
}); 

gistfile2.js

// the code to add the button that pulls up the window that should insert 
// a link to one of the public downloads that they have placed on their site



// Adds a button to get our public downloads and insert them into th eeditor
function yuiPublicDownloads( rte , editor_name , list_url ) {      
  // Use the toolbarLoaded Custom Event; when that event fires, we will execute a function that adds our custom button:
  rte.on('toolbarLoaded', function() {
        
    // Simple button config
    var button = {
      type: 'push',
      label: 'Insert Download',
      value: 'download',
      disabled: false
    };

    // Add the button to the toolbar; "this" refers to myEditor, our RTE instance:
    this.toolbar.addButtonToGroup( button , 'insertitem' , 'insertdownload' );

    // Now listen for the new buttons click and do something with it. Note that "downloadClick" is an event synthesized for us
    // automatically because that's the value we gave our button above:
    this.toolbar.on('downloadClick', function(o) {
      this.execCommand('inserthtml', '<b>This is the text to insert.</b>');
      
      win = window.open( list_url , 'DOWNLOAD_BROWSER', 'left=20,top=20,width=500,height=500,toolbar=0,resizable=0,status=0'); 
      if (!win) { 
        //Catch the popup blocker 
        alert('Please disable your popup blocker!!'); 
      } 
    } , this , true );

  }, rte , true);
  
}


yuiPublicDownloads( myEditor , 'wysiwyg' , '/downloads/public' );

gistfile3.html

<!-- 
  The code that defines the popup window (in some state of me trying to figure out what is wrong with it), 
  it seems to be the line         
  myEditor = window.opener.YAHOO.widget.EditorInfo.getEditorById('wysiwyg');
  down below that is failing.
-->


<div id="doc" class="yui-t7">
  <div id="available_downloads">
    <ul>
      <% for download in @downloads %>
        <li>
          <%= download.title %>
        </li>
      <% end %>
    </ul>
  </div>
</div>


<script src="http://yui.yahooapis.com/2.7.0/build/yahoo-dom-event/yahoo-dom-event.js" type="text/javascript"></script>
<script type="text/javascript">
(function() {
    var Dom = YAHOO.util.Dom,
        Event = YAHOO.util.Event,
        myEditor = window.opener.YAHOO.widget.EditorInfo.getEditorById('wysiwyg');
        //Get a reference to the editor on the other page
    
    //Add a listener to the parent of the images
    Event.on('available_downloads', 'click', function(ev) {
        var tar = Event.getTarget(ev);
        //Check to see if we clicked on an image
        if (tar && tar.tagName && (tar.tagName.toLowerCase() == 'li')) {
            //Focus the editor's window
            // myEditor._focusWindow();
            //Fire the execCommand for insertimage
            myEditor.execCommand('inserthtml', '<b>!!!!!!!!!!!!!!!!!!!!!!.</b>');

            //Close this window
            window.close();
        }
    });
    //Internet Explorer will throw this window to the back, this brings it to the front on load
    Event.on(window, 'load', function() {
        window.focus();
    });
})();
</script>

gistfile4.html

<!-- Javascript Links -->

    <!-- YUI FILES -->
    <!-- Skin CSS file -->
    <link href='http://yui.yahooapis.com/2.7.0/build/assets/skins/sam/skin.css' rel='stylesheet' type='text/css' />

    <!-- Utility Dependencies -->
    <script src='http://yui.yahooapis.com/2.7.0/build/yahoo-dom-event/yahoo-dom-event.js' type='text/javascript'></script>
    <script src='http://yui.yahooapis.com/2.7.0/build/element/element-min.js' type='text/javascript'></script>
    <!-- Needed for Menus, Buttons and Overlays used in the Toolbar -->
    <script src='http://yui.yahooapis.com/2.7.0/build/container/container_core-min.js'></script>
    <script src='http://yui.yahooapis.com/2.7.0/build/menu/menu-min.js'></script>
    <script src='http://yui.yahooapis.com/2.7.0/build/button/button-min.js'></script>

    <!-- Source file for Rich Text Editor -->
    <script src='http://yui.yahooapis.com/2.7.0/build/editor/editor-min.js'></script>
    <script src='http://yui.yahooapis.com/2.7.0/build/connection/connection-min.js'></script>
    <script src='http://yui.yahooapis.com/2.7.0/build/logger/logger-min.js' type='text/javascript'></script>