diff -uNr xfce4-panel.orig/plugins/pager/pager.c xfce4-panel.patched/plugins/pager/pager.c
--- xfce4-panel.orig/plugins/pager/pager.c	2010-04-30 09:57:40.000000000 +0400
+++ xfce4-panel.patched/plugins/pager/pager.c	2010-05-05 22:08:24.917358720 +0400
@@ -77,6 +77,7 @@
 
   /* settings */
   guint          scrolling : 1;
+  guint          wrap_workspaces : 1;
   guint          show_names : 1;
   gint           rows;
 };
@@ -85,6 +86,7 @@
 {
   PROP_0,
   PROP_WORKSPACE_SCROLLING,
+  PROP_WRAP_WORKSPACES,
   PROP_SHOW_NAMES,
   PROP_ROWS
 };
@@ -125,6 +127,13 @@
                                                          EXO_PARAM_READWRITE));
 
   g_object_class_install_property (gobject_class,
+                                   PROP_WRAP_WORKSPACES,
+                                   g_param_spec_boolean ("wrap-workspaces",
+                                                         NULL, NULL,
+                                                         TRUE,
+                                                         EXO_PARAM_READWRITE));
+
+  g_object_class_install_property (gobject_class,
                                    PROP_SHOW_NAMES,
                                    g_param_spec_boolean ("show-names",
                                                          NULL, NULL,
@@ -149,6 +158,7 @@
   /* init, draw nothing */
   plugin->wnck_screen = NULL;
   plugin->scrolling = TRUE;
+  plugin->wrap_workspaces = TRUE;
   plugin->show_names = FALSE;
   plugin->rows = 1;
   plugin->wnck_pager = NULL;
@@ -170,6 +180,10 @@
       g_value_set_boolean (value, plugin->scrolling);
       break;
 
+    case PROP_WRAP_WORKSPACES:
+      g_value_set_boolean (value, plugin->wrap_workspaces);
+      break;
+
     case PROP_SHOW_NAMES:
       g_value_set_boolean (value, plugin->show_names);
       break;
@@ -200,6 +214,10 @@
       plugin->scrolling = g_value_get_boolean (value);
       break;
 
+    case PROP_WRAP_WORKSPACES:
+      plugin->wrap_workspaces = g_value_get_boolean (value);
+      break;
+
     case PROP_SHOW_NAMES:
       plugin->show_names = g_value_get_boolean (value);
 
@@ -250,13 +268,20 @@
   else
     active_n++;
 
-  /* wrap around */
   n_workspaces = wnck_screen_get_workspace_count (plugin->wnck_screen) - 1;
-  if (active_n < 0)
-    active_n = n_workspaces;
-  else if (active_n > n_workspaces)
-    active_n = 0;
-
+  if (plugin->wrap_workspaces == TRUE)
+  {
+    /* wrap around */
+    if (active_n < 0)
+      active_n = n_workspaces;
+    else if (active_n > n_workspaces)
+      active_n = 0;
+  }
+  else if (active_n < 0 || active_n > n_workspaces )
+  {
+    /* we do not need to do anything */
+    return TRUE;
+  }
   new_ws = wnck_screen_get_workspace (plugin->wnck_screen, active_n);
   if (new_ws != NULL && active_ws != new_ws)
     wnck_workspace_activate (new_ws, event->time);
@@ -334,6 +359,7 @@
   const PanelProperty  properties[] =
   {
     { "workspace-scrolling", G_TYPE_BOOLEAN },
+    { "wrap-workspaces", G_TYPE_BOOLEAN },
     { "show-names", G_TYPE_BOOLEAN },
     { "rows", G_TYPE_UINT },
     { NULL }
@@ -492,6 +518,11 @@
   exo_mutual_binding_new (G_OBJECT (plugin), "workspace-scrolling",
                           G_OBJECT (object), "active");
 
+  object = gtk_builder_get_object (builder, "wrap-workspaces");
+  panel_return_if_fail (GTK_IS_TOGGLE_BUTTON (object));
+  exo_mutual_binding_new (G_OBJECT (plugin), "wrap-workspaces",
+                          G_OBJECT (object), "active");
+
   object = gtk_builder_get_object (builder, "show-names");
   panel_return_if_fail (GTK_IS_TOGGLE_BUTTON (object));
   exo_mutual_binding_new (G_OBJECT (plugin), "show-names",
diff -uNr xfce4-panel.orig/plugins/pager/pager-dialog.glade xfce4-panel.patched/plugins/pager/pager-dialog.glade
--- xfce4-panel.orig/plugins/pager/pager-dialog.glade	2010-04-30 09:57:40.000000000 +0400
+++ xfce4-panel.patched/plugins/pager/pager-dialog.glade	2010-05-05 22:08:53.270677946 +0400
@@ -134,13 +134,36 @@
                     <property name="left_padding">18</property>
                     <property name="right_padding">6</property>
                     <child>
-                      <object class="GtkCheckButton" id="workspace-scrolling">
-                        <property name="label" translatable="yes">Switch workspaces using the mouse _wheel</property>
+                      <object class="GtkVBox" id="vbox1">
                         <property name="visible">True</property>
-                        <property name="can_focus">True</property>
-                        <property name="receives_default">False</property>
-                        <property name="use_underline">True</property>
-                        <property name="draw_indicator">True</property>
+                        <property name="orientation">vertical</property>
+                        <child>
+                          <object class="GtkCheckButton" id="workspace-scrolling">
+                            <property name="label" translatable="yes">Switch workspaces using the mouse _wheel</property>
+                            <property name="visible">True</property>
+                            <property name="can_focus">True</property>
+                            <property name="receives_default">False</property>
+                            <property name="use_underline">True</property>
+                            <property name="draw_indicator">True</property>
+                          </object>
+                          <packing>
+                            <property name="position">0</property>
+                          </packing>
+                        </child>
+                        <child>
+                          <object class="GtkCheckButton" id="wrap-workspaces">
+                            <property name="label" translatable="yes">Wrap workspaces when the _first or the last workspaces is reached</property>
+                            <property name="visible">True</property>
+                            <property name="can_focus">True</property>
+                            <property name="receives_default">False</property>
+                            <property name="use_underline">True</property>
+                            <property name="active">True</property>
+                            <property name="draw_indicator">True</property>
+                          </object>
+                          <packing>
+                            <property name="position">1</property>
+                          </packing>
+                        </child>
                       </object>
                     </child>
                   </object>