--- addthis.module	2009-10-14 15:51:51.637197427 +0700
+++ addthis.module.new	2009-10-14 15:53:32.004697425 +0700
@@ -132,6 +132,15 @@
  * Theme the AddThis button.
  */
 function theme_addthis_button($node, $teaser) {
+  // Fix IE's bug.
+  if (strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE') !== FALSE) {
+    drupal_add_link(array(
+      'rel' => 'stylesheet',
+      'type' => 'text/css',
+      'href' => "http://s7.addthis.com/static/r07/widget02.css",
+    ));
+  }
+
   if (variable_get('addthis_dropdown_disabled', '0')) {
     return ( sprintf('
       <a href="http://www.addthis.com/bookmark.php"
