diff --git a/class.phpmailer.php b/class.phpmailer.php
index 086dedaaf..a25cddd98 100644
--- a/class.phpmailer.php
+++ b/class.phpmailer.php
@@ -2985,93 +2985,93 @@ public function html2text($html, $advanced = false)
     public static function _mime_types($ext = '')
     {
         $mimes = array(
-            'xl' => 'application/excel',
-            'hqx' => 'application/mac-binhex40',
-            'cpt' => 'application/mac-compactpro',
-            'bin' => 'application/macbinary',
-            'doc' => 'application/msword',
-            'word' => 'application/msword',
+            'xl'    => 'application/excel',
+            'js'    => 'application/javascript',
+            'hqx'   => 'application/mac-binhex40',
+            'cpt'   => 'application/mac-compactpro',
+            'bin'   => 'application/macbinary',
+            'doc'   => 'application/msword',
+            'word'  => 'application/msword',
             'class' => 'application/octet-stream',
-            'dll' => 'application/octet-stream',
-            'dms' => 'application/octet-stream',
-            'exe' => 'application/octet-stream',
-            'lha' => 'application/octet-stream',
-            'lzh' => 'application/octet-stream',
-            'psd' => 'application/octet-stream',
-            'sea' => 'application/octet-stream',
-            'so' => 'application/octet-stream',
-            'oda' => 'application/oda',
-            'pdf' => 'application/pdf',
-            'ai' => 'application/postscript',
-            'eps' => 'application/postscript',
-            'ps' => 'application/postscript',
-            'smi' => 'application/smil',
-            'smil' => 'application/smil',
-            'mif' => 'application/vnd.mif',
-            'xls' => 'application/vnd.ms-excel',
-            'ppt' => 'application/vnd.ms-powerpoint',
+            'dll'   => 'application/octet-stream',
+            'dms'   => 'application/octet-stream',
+            'exe'   => 'application/octet-stream',
+            'lha'   => 'application/octet-stream',
+            'lzh'   => 'application/octet-stream',
+            'psd'   => 'application/octet-stream',
+            'sea'   => 'application/octet-stream',
+            'so'    => 'application/octet-stream',
+            'oda'   => 'application/oda',
+            'pdf'   => 'application/pdf',
+            'ai'    => 'application/postscript',
+            'eps'   => 'application/postscript',
+            'ps'    => 'application/postscript',
+            'smi'   => 'application/smil',
+            'smil'  => 'application/smil',
+            'mif'   => 'application/vnd.mif',
+            'xls'   => 'application/vnd.ms-excel',
+            'ppt'   => 'application/vnd.ms-powerpoint',
             'wbxml' => 'application/vnd.wap.wbxml',
-            'wmlc' => 'application/vnd.wap.wmlc',
-            'dcr' => 'application/x-director',
-            'dir' => 'application/x-director',
-            'dxr' => 'application/x-director',
-            'dvi' => 'application/x-dvi',
-            'gtar' => 'application/x-gtar',
-            'php3' => 'application/x-httpd-php',
-            'php4' => 'application/x-httpd-php',
-            'php' => 'application/x-httpd-php',
+            'wmlc'  => 'application/vnd.wap.wmlc',
+            'dcr'   => 'application/x-director',
+            'dir'   => 'application/x-director',
+            'dxr'   => 'application/x-director',
+            'dvi'   => 'application/x-dvi',
+            'gtar'  => 'application/x-gtar',
+            'php3'  => 'application/x-httpd-php',
+            'php4'  => 'application/x-httpd-php',
+            'php'   => 'application/x-httpd-php',
             'phtml' => 'application/x-httpd-php',
-            'phps' => 'application/x-httpd-php-source',
-            'js' => 'application/javascript',
-            'swf' => 'application/x-shockwave-flash',
-            'sit' => 'application/x-stuffit',
-            'tar' => 'application/x-tar',
-            'tgz' => 'application/x-tar',
-            'xht' => 'application/xhtml+xml',
+            'phps'  => 'application/x-httpd-php-source',
+            'swf'   => 'application/x-shockwave-flash',
+            'sit'   => 'application/x-stuffit',
+            'tar'   => 'application/x-tar',
+            'tgz'   => 'application/x-tar',
+            'xht'   => 'application/xhtml+xml',
             'xhtml' => 'application/xhtml+xml',
-            'zip' => 'application/zip',
-            'mid' => 'audio/midi',
-            'midi' => 'audio/midi',
-            'mp2' => 'audio/mpeg',
-            'mp3' => 'audio/mpeg',
-            'mpga' => 'audio/mpeg',
-            'aif' => 'audio/x-aiff',
-            'aifc' => 'audio/x-aiff',
-            'aiff' => 'audio/x-aiff',
-            'ram' => 'audio/x-pn-realaudio',
-            'rm' => 'audio/x-pn-realaudio',
-            'rpm' => 'audio/x-pn-realaudio-plugin',
-            'ra' => 'audio/x-realaudio',
-            'wav' => 'audio/x-wav',
-            'bmp' => 'image/bmp',
-            'gif' => 'image/gif',
-            'jpeg' => 'image/jpeg',
-            'jpe' => 'image/jpeg',
-            'jpg' => 'image/jpeg',
-            'png' => 'image/png',
-            'tiff' => 'image/tiff',
-            'tif' => 'image/tiff',
-            'eml' => 'message/rfc822',
-            'css' => 'text/css',
-            'html' => 'text/html',
-            'htm' => 'text/html',
+            'zip'   => 'application/zip',
+            'mid'   => 'audio/midi',
+            'midi'  => 'audio/midi',
+            'mp2'   => 'audio/mpeg',
+            'mp3'   => 'audio/mpeg',
+            'mpga'  => 'audio/mpeg',
+            'aif'   => 'audio/x-aiff',
+            'aifc'  => 'audio/x-aiff',
+            'aiff'  => 'audio/x-aiff',
+            'ram'   => 'audio/x-pn-realaudio',
+            'rm'    => 'audio/x-pn-realaudio',
+            'rpm'   => 'audio/x-pn-realaudio-plugin',
+            'ra'    => 'audio/x-realaudio',
+            'wav'   => 'audio/x-wav',
+            'bmp'   => 'image/bmp',
+            'gif'   => 'image/gif',
+            'jpeg'  => 'image/jpeg',
+            'jpe'   => 'image/jpeg',
+            'jpg'   => 'image/jpeg',
+            'png'   => 'image/png',
+            'tiff'  => 'image/tiff',
+            'tif'   => 'image/tiff',
+            'eml'   => 'message/rfc822',
+            'css'   => 'text/css',
+            'html'  => 'text/html',
+            'htm'   => 'text/html',
             'shtml' => 'text/html',
-            'log' => 'text/plain',
-            'text' => 'text/plain',
-            'txt' => 'text/plain',
-            'rtx' => 'text/richtext',
-            'rtf' => 'text/rtf',
-            'vcf' => 'text/vcard',
+            'log'   => 'text/plain',
+            'text'  => 'text/plain',
+            'txt'   => 'text/plain',
+            'rtx'   => 'text/richtext',
+            'rtf'   => 'text/rtf',
+            'vcf'   => 'text/vcard',
             'vcard' => 'text/vcard',
-            'xml' => 'text/xml',
-            'xsl' => 'text/xml',
-            'mpeg' => 'video/mpeg',
-            'mpe' => 'video/mpeg',
-            'mpg' => 'video/mpeg',
-            'mov' => 'video/quicktime',
-            'qt' => 'video/quicktime',
-            'rv' => 'video/vnd.rn-realvideo',
-            'avi' => 'video/x-msvideo',
+            'xml'   => 'text/xml',
+            'xsl'   => 'text/xml',
+            'mpeg'  => 'video/mpeg',
+            'mpe'   => 'video/mpeg',
+            'mpg'   => 'video/mpeg',
+            'mov'   => 'video/quicktime',
+            'qt'    => 'video/quicktime',
+            'rv'    => 'video/vnd.rn-realvideo',
+            'avi'   => 'video/x-msvideo',
             'movie' => 'video/x-sgi-movie'
         );
         return (array_key_exists(strtolower($ext), $mimes) ? $mimes[strtolower($ext)]: 'application/octet-stream');