--- xsane-0.995/src/xsane.c.orig	2008-07-01 18:50:56.144479000 +0800
+++ xsane-0.995/src/xsane.c	2008-07-01 19:35:41.122804000 +0800
@@ -3751,7 +3751,11 @@
   else /* netscape not running */
   { 
     DBG(DBG_proc, "xsane_show_doc_via_nsr: netscape is not running, trying to start netscape\n");
+#if defined(sun) && defined(__SVR4)
+    arg[0] = "firefox";
+#else
     arg[0] = "netscape";
+#endif
     arg[1] = name;
     arg[2] = 0;
  
@@ -3860,13 +3864,17 @@
   /* translation of language_dir gives the name of the subdirectory in */
   /* which there may be a translation of a documentation */
   language_dir = XSANE_LANGUAGE_DIR;
+#if defined(sun) && defined(__SVR4)
+  snprintf(path, sizeof(path), "%s/%s-doc.html", STRINGIFY(PATH_XSANE_DOC_DIR), name);  
+#else
   snprintf(path, sizeof(path), "%s/%s/%s-doc.html", STRINGIFY(PATH_XSANE_DOC_DIR), language_dir, name);  
+#endif
   if (stat(path, &st) != 0) /* test if file does exist */
   {
     snprintf(path, sizeof(path), "%s/%s-doc.html", STRINGIFY(PATH_XSANE_DOC_DIR), name); /* no, we use original doc */
   }
 
-  if (!strcmp(preferences.browser, BROWSER_NETSCAPE))
+  if (!strcmp(preferences.browser, BROWSER_NETSCAPE) || !strcmp(preferences.browser, BROWSER_FIREFOX))
   {
     xsane_show_doc_via_nsr(widget, (void *) path);
   }
@@ -4246,9 +4254,8 @@
   gtk_menu_append(GTK_MENU(menu), item);
   gtk_widget_show(item);
 
-
+#if !defined(sun) || !defined(__SVR4)
   /* Backend doc -> html viewer */
-
   if (xsane.backend)
   {
     item = gtk_menu_item_new_with_label(MENU_ITEM_BACKEND_DOC);
@@ -4257,7 +4264,7 @@
     gtk_widget_add_accelerator(item, "activate", xsane.accelerator_group, GDK_F2, 0, GTK_ACCEL_VISIBLE | DEF_GTK_ACCEL_LOCKED);
     gtk_widget_show(item);
   }
-
+#endif
 
   /* available backends -> html viewer */
 
--- xsane-0.995/src/xsane.h.orig	2008-07-01 18:51:52.865496000 +0800
+++ xsane-0.995/src/xsane.h	2008-07-01 19:17:48.644923000 +0800
@@ -250,6 +250,8 @@
 #  define DEFAULT_BROWSER "iexplore.exe"
 # elif defined(HAVE_OS2_H)
 #  define DEFAULT_BROWSER "netscape"
+# elif defined(sun) && defined(__SVR4)
+#  define DEFAULT_BROWSER "firefox"
 # else
 #  define DEFAULT_BROWSER "netscape"
 # endif
@@ -530,6 +532,7 @@
 #define OCROUTFDOPT		"-x"
 #define OCRPROGRESSKEY		""
 #define BROWSER_NETSCAPE	"netscape"
+#define BROWSER_FIREFOX 	"firefox"
 
 #define XSANE_MEDIUM_CALIB_BRIGHTNESS_MIN	-1000.0
 #define XSANE_MEDIUM_CALIB_BRIGHTNESS_MAX	 1000.0