diff --git a/common/content/editor.js b/common/content/editor.js
index 5c9ffedb..efebefd3 100644
--- a/common/content/editor.js
+++ b/common/content/editor.js
@@ -557,9 +557,9 @@ function Editor() //{{{
 
         unselectText: function ()
         {
-            let elt = window.document.commandDispatcher.focusedElement;
-            if (elt && elt.selectionEnd)
-                elt.selectionEnd = elt.selectionStart;
+            let elem = window.document.commandDispatcher.focusedElement;
+            if (elem && elem.selectionEnd)
+                elem.selectionEnd = elem.selectionStart;
         },
 
         selectedText: function ()
@@ -570,20 +570,20 @@ function Editor() //{{{
 
         pasteClipboard: function ()
         {
-            let elt = window.document.commandDispatcher.focusedElement;
+            let elem = window.document.commandDispatcher.focusedElement;
 
-            if (elt.setSelectionRange && util.readFromClipboard())
+            if (elem.setSelectionRange && util.readFromClipboard())
                 // readFromClipboard would return 'undefined' if not checked
                 // dunno about .setSelectionRange
             {
-                let rangeStart = elt.selectionStart; // caret position
-                let rangeEnd = elt.selectionEnd;
-                let tempStr1 = elt.value.substring(0, rangeStart);
+                let rangeStart = elem.selectionStart; // caret position
+                let rangeEnd = elem.selectionEnd;
+                let tempStr1 = elem.value.substring(0, rangeStart);
                 let tempStr2 = util.readFromClipboard();
-                let tempStr3 = elt.value.substring(rangeEnd);
-                elt.value = tempStr1 + tempStr2 + tempStr3;
-                elt.selectionStart = rangeStart + tempStr2.length;
-                elt.selectionEnd = elt.selectionStart;
+                let tempStr3 = elem.value.substring(rangeEnd);
+                elem.value = tempStr1 + tempStr2 + tempStr3;
+                elem.selectionStart = rangeStart + tempStr2.length;
+                elem.selectionEnd = elem.selectionStart;
             }
         },
 
diff --git a/common/content/events.js b/common/content/events.js
index 30f1392c..c943fdb7 100644
--- a/common/content/events.js
+++ b/common/content/events.js
@@ -458,14 +458,14 @@ function Events() //{{{
 
     function isFormElemFocused()
     {
-        let elt = window.document.commandDispatcher.focusedElement;
-        if (elt == null)
+        let elem = window.document.commandDispatcher.focusedElement;
+        if (elem == null)
             return false;
 
         try
-        { // sometimes the elt doesn't have .localName
-            let tagname = elt.localName.toLowerCase();
-            let type = elt.type.toLowerCase();
+        { // sometimes the elem doesn't have .localName
+            let tagname = elem.localName.toLowerCase();
+            let type = elem.type.toLowerCase();
 
             if ((tagname == "input" && (type != "image")) ||
                     tagname == "textarea" ||