Index: popups.js
===================================================================
--- popups.js	(revision 292)
+++ popups.js	(working copy)
@@ -556,7 +556,12 @@
     $overlay.css('opacity', '0.4'); // for ie6(?)
     // Doing absolute positioning, so make overlay's size equal the entire body.
     var $doc = $(document);
-    $overlay.width($doc.width()).height($doc.height()); 
+    $overlay.width($doc.width()).height($doc.height());
+    // If the theme is a fixed width theme, IE 6 and 7 will set the overlay to
+    // be left aligned with the container div.
+    if ($.browser.msie && ($.browser.version == '6.0' || $.browser.version == '7.0')) {
+      $overlay.css('left', 0);
+    }
     $overlay.click(function(){Popups.close();});
     $('body').prepend($overlay);
   }