diff --git a/update-online-help b/update-online-help
--- /dev/null
+++ b/update-online-help
@@ -0,0 +1,42 @@
+#!/bin/sh
+
+# Defaults for Debian
+CNV=`pwd`/contrib/latex2html
+LYX=lyx-qt
+
+# Sanity checks
+if [ ! -d doc/guide/user ]; then
+ echo "Can't find usable documentation structure - aborting"
+ exit 1
+fi
+
+# Commands present?
+for cmd in $CNV $LYX; do
+ if ! which $cmd &> /dev/null; then
+ echo "Can't find executable for '$cmd' - aborting"
+ exit 2
+ fi
+done
+
+pushd . &> /dev/null
+cd doc/guide/user
+
+for lang in *; do
+ [ ! -d "$lang" ] && continue
+
+ pushd . &> /dev/null
+ echo "Processing language $lang..."
+ cd $lang/lyx-source
+
+ for source in *.lyx; do
+ $LYX -e latex $source; d=../html/${source%%\.*}/ > /dev/null
+ [ -d $d ] || mkdir -p $d && rm -r $d/* &> /dev/null
+ $CNV -no_navigation -dir $d ${source%%\.*}.tex > /dev/null
+ done
+
+ popd &> /dev/null
+done
+
+popd &> /dev/null
+echo
+exit 0