diff -r cf95a475825c -r 81cbb47f1aa6 extsay-ng/extsayng.c
--- a/extsay-ng/extsayng.c	Sat Apr 03 00:50:17 2010 +0200
+++ b/extsay-ng/extsayng.c	Sat Apr 03 12:19:14 2010 +0200
@@ -44,26 +44,42 @@
         .next           = NULL,
 };
 
-// Forks and run the external helper script
+
+// Run the external helper script with parameters
 static void screen_run_script(const gchar *args)
 {
   GError *err = NULL;
-  gchar *argv[] = { "screen", "-r", "-X", "screen", NULL, NULL, NULL };
+  gchar *argv[] = { "screen", "-r", "-X", "screen", NULL,
+                    NULL, NULL, NULL, NULL };
   gboolean ret;
+  gchar strwinheight[32];
+  gboolean winsplit = settings_opt_get_int("extsay_split_win");
 
-  // screen -r -X screen $path/extsay.sh
+  // screen -r -X screen $path/extsay.sh [jid [winsplit [height]]]
   argv[4] = (gchar*)settings_opt_get("extsay_script_path");
 
+  // Helper script path
   if (!argv[4] || !argv[4][0]) {
     scr_log_print(LPRINT_NORMAL, "Please set option 'extsay_script_path'.");
     return;
   }
 
+  // Helper script parameter #1
   if (args && *args)
     argv[5] = (gchar*)args;
   else
     argv[5] = ".";
 
+  // Update environment variables for the helper script
+  if (winsplit) {
+    gint winheight = settings_opt_get_int("extsay_win_height");
+    argv[6] = "winsplit";       // Helper script parameter #2
+    if (winheight > 0 && winheight < 256) {
+      snprintf(strwinheight, sizeof strwinheight, "%d", winheight);
+      argv[7] = strwinheight;   // Helper script parameter #3
+    }
+  }
+
   ret = g_spawn_async(NULL, argv, NULL,
                       G_SPAWN_SEARCH_PATH |
                         G_SPAWN_STDOUT_TO_DEV_NULL|G_SPAWN_STDERR_TO_DEV_NULL,