diff --git a/effects/dialogparent/package/contents/code/main.js b/effects/dialogparent/package/contents/code/main.js
--- a/effects/dialogparent/package/contents/code/main.js
+++ b/effects/dialogparent/package/contents/code/main.js
@@ -23,17 +23,16 @@
     duration: animationTime(300),
     windowAdded: function (window) {
         "use strict";
-        var mainWindows, i, w;
         if (window === null || window.modal === false) {
             return;
         }
         dialogParentEffect.dialogGotModality(window)
     },
     dialogGotModality: function (window) {
         "use strict";
-        mainWindows = window.mainWindows();
-        for (i = 0; i < mainWindows.length; i += 1) {
-            w = mainWindows[i];
+        var mainWindows = window.mainWindows();
+        for (var i = 0; i < mainWindows.length; i += 1) {
+            var w = mainWindows[i];
             if (w.dialogParentAnimation !== undefined) {
                 continue;
             }
@@ -59,18 +58,17 @@
     },
     windowClosed: function (window) {
         "use strict";
-        var mainWindows, i, w;
         dialogParentEffect.cancelAnimation(window);
         if (window.modal === false) {
             return;
         }
         dialogParentEffect.dialogLostModality(window);
     },
     dialogLostModality: function (window) {
         "use strict";
-        mainWindows = window.mainWindows();
-        for (i = 0; i < mainWindows.length; i += 1) {
-            w = mainWindows[i];
+        var mainWindows = window.mainWindows();
+        for (var i = 0; i < mainWindows.length; i += 1) {
+            var w = mainWindows[i];
             if (w.dialogParentAnimation === undefined) {
                 continue;
             }