diff --git a/scripts/beamercontrol.sh b/scripts/beamercontrol.sh
index b07547f..dda3191 100755
--- a/scripts/beamercontrol.sh
+++ b/scripts/beamercontrol.sh
@@ -17,8 +17,28 @@ function beameron() {
   echo "Switching beamer on"
   wget -qO/dev/null http://$projip/tgi/return.tgi?command=2a3101fe0660 #projector on
 }
+function dvi() {
+  echo "Switching to dvi"
+  wget -qO/dev/null http://$projip/tgi/return.tgi?command=2a3109f6070566 #switch to DVI
+}
+function hdmi1() {
+  echo "Switching to hdmi1"
+  wget -qO/dev/null http://$projip/tgi/return.tgi?command=2a3109f6071475 #switch to hdmi1
+}
+function hdmi2() {
+  echo "Switching to hdmi2"
+  wget -qO/dev/null http://$projip/tgi/return.tgi?command=2a3109f6071576 #switch to hdmi2
+}
+function vga1() {
+  echo "Switching to vga1"
+  wget -qO/dev/null http://$projip/tgi/return.tgi?command=2a3109f6070162 #switch to vga1
+}
+function vga2() {
+  echo "Switching to vga2"
+  wget -qO/dev/null http://$projip/tgi/return.tgi?command=2a3109f6070263 #switch to vga2
+}
 function usage() {
-  echo "Usage: $0 (beamer|screen) (on|off|down|up)"
+  echo "Usage: $0 (beamer|screen) (on|dvi|hdmi1|hdmi2|vga|off|down|up)"
   exit
 }
 projip="$(cat $(dirname "$0")"/beamerip.txt")"
@@ -29,6 +49,14 @@ case $1 in
         ;;
       off) beameroff
         ;;
+      dvi) beameron; dvi
+        ;;
+      hdmi1) beameron; hdmi1
+        ;;
+      hdmi2) beameron; hdmi2
+        ;;
+      vga1) beameron; vga1
+        ;;
       *) usage
     esac
     ;;
diff --git a/scripts/lightcommander b/scripts/lightcommander
index e8d84f9..9215d84 100755
--- a/scripts/lightcommander
+++ b/scripts/lightcommander
@@ -1,7 +1,8 @@
 #!/bin/bash
 if [ "$1" = "" ]
 then
-  echo "usage: $0 {main|chill|status|labsocket|alarm|screen|projector} {on|off}"
+  echo "usage: $0 {main|chill|status|labsocket|alarm|screen} {on|off}"
+  echo "usage: $0 {projector} {on|hdmi1|hdmi2|dvi|vga1|off}"
   exit 1
 fi
 function dolight() {
diff --git a/scripts/peoplecounter-realtime.sh b/scripts/peoplecounter-realtime.sh
index e8265ae..58958bd 100755
--- a/scripts/peoplecounter-realtime.sh
+++ b/scripts/peoplecounter-realtime.sh
@@ -11,7 +11,7 @@ fi
 STATSFILE="/run/peoplecounter$DEV"
 SAMPLES=20 # how many records to keep in file
 INTERVAL=10 # how long to wait between polls
-MAXFILE="/run/peoplecountermax$DEV"
+MAXFILE="/root/var/peoplecountermax$DEV"
 PRESENCY="/run/presency$DEV"   # value shown on website
 # /run/peoplecounter lists all recent reads, newest at end
 # let's have some management functions instead of a database
@@ -68,9 +68,9 @@ do
       logger $(basename $0) changed from $oldp to $p people
       curmax=$(getmaxpeople)
       oldmax=$(cat "$MAXFILE")
-      if [ "$curmax" -gt "$oldmax" ]
+      if [ "$curmax" -gt "${oldmax:-0}" ]
       then
-        logger $(basename $0) setting max to $curmax because bigger than $oldmax
+        logger $(basename $0) setting max to $curmax because bigger than ${oldmax:-}
         echo "$curmax" > "$MAXFILE"
       fi
     fi
diff --git a/www/htdocs/lights.level2.lu/index.html b/www/htdocs/lights.level2.lu/index.html
index 254be94..b001bd1 100644
--- a/www/htdocs/lights.level2.lu/index.html
+++ b/www/htdocs/lights.level2.lu/index.html
@@ -71,6 +71,10 @@
           <div class=" well">
             <h1>Projector</h1>
             <p><a class="btn btn-success btn-lg btn-block" data-area="projector" data-status="on" >On</a></p>
+            <p><a class="btn btn-success btn-lg btn-block" data-area="projector" data-status="dvi" >Slideshow</a></p>
+            <p><a class="btn btn-success btn-lg btn-block" data-area="projector" data-status="hdmi2" >Chromecast</a></p>
+            <p><a class="btn btn-success btn-lg btn-block" data-area="projector" data-status="hdmi1" >HDMI</a></p>
+            <p><a class="btn btn-success btn-lg btn-block" data-area="projector" data-status="vga1" >VGA</a></p>
             <p><a class="btn btn-danger btn-lg btn-block"  data-area="projector" data-status="off" >Off</a></p>
           </div>
         </div>