- Patch #716612 by Everett Zufelt, casey: another step twoards making the...

- Patch #716612 by Everett Zufelt, casey: another step twoards making the overlay (more) accessible to screen reader users.

modules/overlay/overlay-parent.js

@@ -816,14 +816,14 @@ Drupal.overlay.getDisplacement = function (region) {
  * Theme function to create the overlay iframe element.
  */
 Drupal.theme.prototype.overlayContainer = function () {
-  return '<div id="overlay-container" role="dialog"><div class="overlay-modal-background"></div></div>';
+  return '<div id="overlay-container"><div class="overlay-modal-background"></div></div>';
 };
 
 /**
  * Theme function to create an overlay iframe element.
  */
 Drupal.theme.prototype.overlayElement = function (url) {
-  return '<iframe class="overlay-element" frameborder="0" scrolling="auto" allowtransparency="true" role="document"></iframe>';
+  return '<iframe class="overlay-element" frameborder="0" scrolling="auto" allowtransparency="true"></iframe>';
 };
 
 })(jQuery);