Switch to side-by-side view

--- a/src/sampleconf/mimeview
+++ b/src/sampleconf/mimeview
@@ -1,4 +1,4 @@
-# @(#$Id: mimeview,v 1.12 2008-06-09 09:12:05 dockes Exp $  (C) 2004 J.F.Dockes
+# @(#$Id: mimeview,v 1.13 2008-08-25 16:12:16 dockes Exp $  (C) 2004 J.F.Dockes
 
 ## ##########################################
 # External viewers, launched by the recoll GUI when you click on a result
@@ -17,6 +17,8 @@
 application/postscript = gv %f
 application/vnd.ms-excel = openoffice %f
 application/vnd.ms-powerpoint = openoffice %f
+application/vnd.openxmlformats-officedocument.wordprocessingml.document = openoffice %f
+application/vnd.openxmlformats-officedocument.spreadsheetml.sheet = openoffice %f
 application/vnd.sun.xml.calc = openoffice %f
 application/vnd.sun.xml.calc.template = openoffice %f
 application/vnd.sun.xml.draw = openoffice %f