1. Make it recognize SeaMonkey as a browser, too.
2. Get rid of some unnecessary bashisms.
3. Add a hack based on xmessage to avoid stopping WebHTTrack
   right after starting in case of browser already running.
--- src/webhttrack.ports.orig	Sun Mar 15 16:42:09 2015
+++ src/webhttrack	Sat May  9 13:55:56 2015
@@ -4,7 +4,7 @@
 # Initializes the htsserver GUI frontend and launch the default browser
 
 BROWSEREXE=
-SRCHBROWSEREXE="x-www-browser www-browser iceape mozilla firefox icecat iceweasel abrowser firebird galeon konqueror opera google-chrome chrome chromium chromium-browser netscape"
+SRCHBROWSEREXE="x-www-browser www-browser iceape seamonkey mozilla firefox icecat iceweasel abrowser firebird galeon konqueror opera google-chrome chrome chromium chromium-browser netscape"
 if test -n "${BROWSER}"; then
 # sensible-browser will f up if BROWSER is not set
 SRCHBROWSEREXE="xdg-open sensible-browser ${SRCHBROWSEREXE}"
@@ -103,7 +103,7 @@ TMPSRVFILE="$(mktemp ${TMPDIR:-/tmp}/.webhttrack.XXXXX
 SRVURL=
 MAXCOUNT=60
 while ! test -n "$SRVURL"; do
-MAXCOUNT=$[$MAXCOUNT - 1]
+MAXCOUNT=$((MAXCOUNT - 1))
 test $MAXCOUNT -gt 0 || exit 1
 test $MAXCOUNT -lt 50 && echo "waiting for server to reply.."
 SRVURL=`grep -E URL= ${TMPSRVFILE} | cut -f2- -d=`
@@ -126,7 +126,18 @@ return 0
 trap "cleanup now; exit" 1 2 3 4 5 6 7 8 9 11 13 14 15 16 19 24 25
 
 # Got SRVURL, launch browser
-launch_browser "${BROWSEREXE}" "${SRVURL}"
+SRVURL="http://127.0.0.1:8080/"
+launch_browser "${BROWSEREXE}" "$SRVURL"
+
+MSG="Happy browsing!
+
+The WebHTTrack is started on $SRVURL
+
+If you accidentally close browser window, just open a
+new one and point it to the same URL.
+
+Return to this window when you're done with WebHTTrack."
+xmessage -buttons "Stop WebHTTrack" "$MSG"
 
 # That's all, folks!
 trap "" 1 2 3 4 5 6 7 8 9 11 13 14 15 16 19 24 25