--- trunk/webthumb	2008/02/06 23:34:35	63
+++ trunk/webthumb	2008/02/06 23:45:58	64
@@ -33,7 +33,7 @@
 # and then resize it to (comment out to disable)
 #RESIZE=200x
 
-# turn locally visible Xnest server to watch progress
+# turn locally visible server to watch progress
 DEBUG=0
 test ! -z "$3" && DEBUG=1
 
@@ -81,20 +81,30 @@
 	exit 1
 fi
 
-echo "starting X server $XSERVER"
+DISPLAY_PORT=6042
 
-export DISPLAY=:42
+while netstat -ln | grep ":$DISPLAY_PORT " >/dev/null ; do
+	DISPLAY_PORT=`expr $DISPLAY_PORT + 1`
+done
+
+DISPLAY=:`expr $DISPLAY_PORT - 6000`
 
+echo "using DISPLAY=$DISPLAY"
 
 if [ "$DEBUG" == 1 ] ; then
 	echo "using locally visible debug server on $LOCAL_DISPLAY"
-	Xnest -display $LOCAL_DISPLAY -ac -geometry ${W}x${H} -depth 24 $DISPLAY 2>/dev/null &
+	DISPLAY=$LOCAL_DISPLAY Xephyr -ac -screen ${W}x${H}x24 $DISPLAY 2>/dev/null &
 else
 	echo "starting $XSERVER"
 	$XSERVER -ac -screen 0 ${W}x${H}x24 $DISPLAY 2>/dev/null &
 fi
 
+if [ -z "$!" ] ; then
+	echo "ABORT: can't start X server!"
+	exit
+fi
 XSERVER_PID=$!
+
 echo "X server pid $XSERVER_PID"
 
 function kill_x_server() {