Index: branches/RC/core/admin_templates/js/frame_resizer.js
===================================================================
diff -u -r11396 -r11428
--- branches/RC/core/admin_templates/js/frame_resizer.js	(.../frame_resizer.js)	(revision 11396)
+++ branches/RC/core/admin_templates/js/frame_resizer.js	(.../frame_resizer.js)	(revision 11428)
@@ -70,4 +70,16 @@
 		this.SubFrameset.setAttribute('cols', this.OpenWidth+',*');
 		this.SetStatus(0, $ajax_save);
 	}
+}
+
+FrameResizer.prototype.fullScreen = function ($restore) {
+	if ($restore === undefined) {
+		$restore = false;
+	}
+
+	if (!$restore) {
+		this.lastMenuVisible = this.MenuVisible();
+	}
+
+	this.setFullscreenMode($restore ? !this.lastMenuVisible : true, false);
 }
\ No newline at end of file