diff -Naur AfterStep-1.8.11-orig/src/afterstep/borders.c AfterStep-1.8.11-new/src/afterstep/borders.c
--- AfterStep-1.8.11-orig/src/afterstep/borders.c	2000-10-19 23:27:57.000000000 -0400
+++ AfterStep-1.8.11-new/src/afterstep/borders.c	2006-02-20 21:03:41.827876968 -0500
@@ -132,6 +132,52 @@
     }
 }
 
+void
+SetBackgroundTexture_po (ASWindow * t, Window win, MyStyle * style, Pixmap cache)
+{
+  int need_to_free_cache = 0;
+
+  if (style->texture_type == TEXTURE_SOLID)
+    XSetWindowBackground (dpy, win, style->colors.back);
+#ifndef NO_TEXTURE
+  else if (style->texture_type < TEXTURE_PIXMAP)
+    {
+      /* gradients */
+      if (cache == None)
+	{
+	  int root_x, root_y, width, height;
+	  XGetGeometry (dpy, win, &JunkRoot, &root_x, &root_y, &width, &height, &JunkBW, &JunkDepth);
+	  cache = mystyle_make_pixmap_overlay (style, root_x, root_y, width, height, None);
+	  if (cache != None)
+	    need_to_free_cache = 1;
+	}
+      XSetWindowBackgroundPixmap (dpy, win, cache);
+    }
+  else if (style->texture_type == TEXTURE_PIXMAP)
+    XSetWindowBackgroundPixmap (dpy, win, style->back_icon.pix);
+  else if (style->texture_type >= TEXTURE_TRANSPARENT)
+    {
+      int root_x, root_y, width, height;
+      XGetGeometry (dpy, win, &JunkRoot, &root_x, &root_y, &width, &height, &JunkBW, &JunkDepth);
+      root_x += t->frame_x;
+      root_y += t->frame_y;
+      Pixmap pix = mystyle_make_pixmap_overlay (style, root_x, root_y, width, height, None);
+      XSetWindowBackgroundPixmap (dpy, win, pix);
+      XFreePixmap(dpy, pix);
+    }
+#endif /* NO_TEXTURE */
+
+  XClearWindow (dpy, win);
+  XFlush (dpy);
+
+  if (need_to_free_cache)
+    {
+      /* don't change the window background, or the result will be whatever 
+       * the background is changed to here */
+      XFreePixmap (dpy, cache);
+    }
+}
+
 /************************************************
  *                                              * 
  * a more general version of SetTitleBackground *
@@ -232,10 +278,10 @@
     cache = None;
 
   /* middle bottom frame */
-  SetBackgroundTexture (t, t->side, style, cache);
+  SetBackgroundTexture_po (t, t->side, style, cache);
   /* side bottom frames */
-  SetBackgroundTexture (t, t->corners[0], style, cache);
-  SetBackgroundTexture (t, t->corners[1], style, cache);
+  SetBackgroundTexture_po (t, t->corners[0], style, cache);
+  SetBackgroundTexture_po (t, t->corners[1], style, cache);
 }
 
 void
diff -Naur AfterStep-1.8.11-orig/src/afterstep/events.c AfterStep-1.8.11-new/src/afterstep/events.c
--- AfterStep-1.8.11-orig/src/afterstep/events.c	2001-12-13 01:51:26.000000000 -0500
+++ AfterStep-1.8.11-new/src/afterstep/events.c	2006-02-20 21:03:46.383184456 -0500
@@ -1132,10 +1132,11 @@
 		CurrentTime);
   XSync (dpy, 0);
 
-  if (Context == C_TITLE)
-    SetTitleBar (Tmp_win, (Scr.Hilite == Tmp_win), False);
-  else
-    SetBorder (Tmp_win, (Scr.Hilite == Tmp_win), True, True, PressedW);
+//  if (Context == C_TITLE)
+//    SetTitleBar (Tmp_win, (Scr.Hilite == Tmp_win), False);
+//  else
+  // by po
+  SetBorder (Tmp_win, (Scr.Hilite == Tmp_win), True, True, PressedW);
 
   ButtonWindow = Tmp_win;
 
@@ -1180,10 +1181,11 @@
 
   PressedW = None;
 
-  if (LocalContext != C_TITLE)
+//  if (LocalContext != C_TITLE)
+  // by po:
     SetBorder (ButtonWindow, (Scr.Hilite == ButtonWindow), True, True, xPressedW);
-  else
-    SetTitleBar (ButtonWindow, (Scr.Hilite == ButtonWindow), False);
+//  else
+//    SetTitleBar (ButtonWindow, (Scr.Hilite == ButtonWindow), False);
 
   ButtonWindow = NULL;
 }
diff -Naur AfterStep-1.8.11-orig/src/afterstep/functions.c AfterStep-1.8.11-new/src/afterstep/functions.c
--- AfterStep-1.8.11-orig/src/afterstep/functions.c	2001-12-13 01:30:32.000000000 -0500
+++ AfterStep-1.8.11-new/src/afterstep/functions.c	2006-02-20 21:03:51.623387824 -0500
@@ -79,6 +79,79 @@
 
 extern ASDirs as_dirs;
 
+
+int poBetween(int a, int b, int c) {
+  return a <= b && b < c;
+}
+
+
+// checks whether the corners of the frame of WINDOW are visible
+int poOnViewport(ASWindow * window) {
+  int h, v;
+
+//  printf("vp1: [%d %d]   vp2: [%d %d]    crnr: [%d %d]\n", viewportX[0], viewportY[0], viewportX[1], viewportY[1], window->frame_x, window->frame_y);
+
+  for (h = 0; h <= 1; h++)
+    for (v = 0; v <= 1; v++)
+      if (poBetween(0, window->frame_x + h*window->frame_width, Scr.MyDisplayWidth) &&
+	  poBetween(0, window->frame_y + v*window->frame_height, Scr.MyDisplayHeight))
+	return 1;
+
+  return 0;
+}
+
+// moves the focused window by a viewport
+//  0  up
+//  1  down
+//  2  left
+//  3  right
+void poMoveByViewport(XEvent *eventp, Window w, ASWindow *tmp_win, int context,
+		      int val1, int val2, int val1_unit, int val2_unit) {
+  int chg[2] = {0, 0};
+
+  if (Scr.Hilite == NULL)
+    return;
+
+  if (!poOnViewport(Scr.Hilite))
+    return;
+  
+  switch (val1) {
+  case 0:
+    chg[1] = -Scr.MyDisplayHeight;
+    break;
+  case 1:
+    chg[1] = Scr.MyDisplayHeight;
+    break;
+  case 2:
+    chg[0] = -Scr.MyDisplayWidth;
+    break;
+  case 3:
+    chg[0] = Scr.MyDisplayWidth;
+    break;
+  default:
+    return;
+  }
+
+/*   printf("dpyW: %d,  dpyH: %d\n", Scr.MyDisplayWidth, Scr.MyDisplayHeight); */
+/*   printf("Vx: %d, Vy: %d\n", Scr.Vx, Scr.Vy); */
+/*   printf("maxVx: %d, maxVy: %d\n", Scr.VxMax, Scr.VyMax); */
+  
+  if (Scr.Vx + chg[0] < 0)
+    chg[0] = -Scr.Vx;
+  else if (Scr.Vx + chg[0] > Scr.VxMax)
+    chg[0] = Scr.VxMax - Scr.Vx;
+
+  if (Scr.Vy + chg[1] < 0)
+    chg[1] = -Scr.Vy;
+  else if (Scr.Vy + chg[1] > Scr.VyMax)
+    chg[1] = Scr.VyMax - Scr.Vy;
+
+  move_window(eventp, w, Scr.Hilite, context, Scr.Hilite->frame_x+chg[0], Scr.Hilite->frame_y+chg[1], 100, 100);
+  MoveViewport(Scr.Vx+chg[0], Scr.Vy+chg[1], True);
+}
+
+
+
 /***********************************************************************
  *
  *  Procedure:
@@ -112,9 +185,17 @@
 
   FunctionCode switch_func = func;
 
+  if (func == F_HYPERCIRCULATE) {
+    in_w = Scr.ASRoot.next->w;
+    tmp_win = Scr.ASRoot.next;
+    context = C_WINDOW;
+  }
+
+/*  fprintf(stderr, "%d %d %d %d %lu %ld %ld %d %d %d %d\n", func, &in_w, &tmp_win, eventp, context, val1, val2, val1_unit, val2_unit, menu, Module); */
+
   /* Defer Execution may wish to alter this value */
   w = in_w;
-  if (IsWindowFunc (func))
+  if (IsWindowFunc (func) && func != F_HYPERCIRCULATE)
     {
       int cursor, fin_event;
       if (func != F_RESIZE && func != F_MOVE)
@@ -342,6 +423,10 @@
 	XBell (dpy, Scr.screen);
       break;
 
+    case F_MOVEBYVIEWPORT:
+      poMoveByViewport(eventp, w, tmp_win, context, val1, val2, val1_unit, val2_unit);
+      break;
+      
     case F_SHADE:
       if (check_allowed_function2 (func, tmp_win))
 	Shade (tmp_win);
@@ -361,6 +446,12 @@
 	FocusOn (t, 0, True);
       break;
 
+    case F_HYPERCIRCULATE:
+      t = HyperCirculate (tmp_win, action, DOWN);
+      if (t)
+	FocusOn (t, 0, True);
+      break;
+
     case F_DESTROY:
     case F_DELETE:
     case F_CLOSE:
@@ -790,6 +881,18 @@
   return (win_selected);
 }
 
+ASWindow *
+Circulate (ASWindow * tmp_win, char *action, int direction) {
+  return PoCirculate(tmp_win, action, direction, 0);
+}
+
+ASWindow *
+HyperCirculate (ASWindow * tmp_win, char *action, int direction) {
+  return PoCirculate(tmp_win, action, direction, 1);
+}
+
+
+
 /* Circulate()
    ** find the next window in circulation order; if direction == DOWN, the next
    ** window is the window with the next highest circulate_sequence after
@@ -800,7 +903,7 @@
    ** returns the next window, or if no next window is found, returns NULL
  */
 ASWindow *
-Circulate (ASWindow * tmp_win, char *action, int direction)
+PoCirculate (ASWindow * tmp_win, char *action, int direction, int hyper)
 {
   ASWindow *t, *target = NULL, *first = NULL, *last = NULL;
 
@@ -813,6 +916,7 @@
       if (!(t->flags & CIRCULATESKIP) &&
 	  !(t->flags & NOFOCUS) &&
 	  !(t->flags & WINDOWLISTSKIP) &&
+	  (hyper || poOnViewport(t)) && 
 	  (AutoTabThroughDesks || t->Desk == Scr.CurrentDesk) &&
 	  (!(Scr.flags & CirculateSkipIcons) || !(t->flags & ICONIFIED)) &&
 	  (action == NULL ||
diff -Naur AfterStep-1.8.11-orig/src/afterstep/functions.h AfterStep-1.8.11-new/src/afterstep/functions.h
--- AfterStep-1.8.11-orig/src/afterstep/functions.h	2000-10-19 23:27:57.000000000 -0400
+++ AfterStep-1.8.11-new/src/afterstep/functions.h	2006-02-20 21:05:07.981779584 -0500
@@ -21,7 +21,7 @@
 #endif
   F_MOVECURSOR,	
   F_WARP_F,	
-  F_WARP_B,	
+  F_WARP_B,
   F_WAIT,	
   F_DESK,		
 #ifndef NO_WINDOWLIST
@@ -53,6 +53,7 @@
   F_PUTONBACK,	
   F_SETLAYER,	
   F_TOGGLELAYER, 	
+  F_MOVEBYVIEWPORT,
   F_SHADE,		
   F_DELETE,
   F_DESTROY,
@@ -63,6 +64,7 @@
   F_FOCUS,		
   F_CHANGEWINDOW_UP, 	
   F_CHANGEWINDOW_DOWN,
+  F_HYPERCIRCULATE,   /* from po */
   F_GETHELP,
   F_PASTE_SELECTION,
   F_CHANGE_WINDOWS_DESK,
diff -Naur AfterStep-1.8.11-orig/src/afterstep/menuitem.c AfterStep-1.8.11-new/src/afterstep/menuitem.c
--- AfterStep-1.8.11-orig/src/afterstep/menuitem.c	2002-01-06 03:00:15.000000000 -0500
+++ AfterStep-1.8.11-new/src/afterstep/menuitem.c	2006-02-20 21:03:56.263682392 -0500
@@ -133,6 +133,7 @@
   FUNC_TERM ("PutOnBack", 9, F_PUTONBACK),	/* PutOnBack */
   FUNC_TERM ("SetLayer", 8, F_SETLAYER),	/* SetLayer    layer */
   FUNC_TERM ("ToggleLayer", 11, F_TOGGLELAYER),		/* ToggleLayer layer1 layer2 */
+  FUNC_TERM ("MoveByViewport", 14, F_MOVEBYVIEWPORT),	/* Shade    ["name"] */
   FUNC_TERM ("Shade", 5, F_SHADE),	/* Shade    ["name"] */
   FUNC_TERM ("Delete", 6, F_DELETE),	/* Delete   ["name"] */
   FUNC_TERM ("Destroy", 7, F_DESTROY),	/* Destroy  ["name"] */
@@ -143,6 +144,7 @@
   FUNC_TERM ("Focus", 5, F_FOCUS),	/* Focus */
   FUNC_TERM2 (NEED_WINIFNAME, "ChangeWindowUp", 14, F_CHANGEWINDOW_UP),		/* ChangeWindowUp   ["name" window_name ] */
   FUNC_TERM2 (NEED_WINIFNAME, "ChangeWindowDown", 16, F_CHANGEWINDOW_DOWN),	/* ChangeWindowDown ["name" window_name ] */
+  FUNC_TERM2 (NEED_WINIFNAME, "HyperCirculate", 14, F_HYPERCIRCULATE),	/* ChangeWindowDown ["name" window_name ] */
   FUNC_TERM ("GetHelp", 7, F_GETHELP),	/* */
   FUNC_TERM ("PasteSelection", 14, F_PASTE_SELECTION),	/* */
   FUNC_TERM ("WindowsDesk", 11, F_CHANGE_WINDOWS_DESK),		/* WindowDesk "name" new_desk */
diff -Naur AfterStep-1.8.11-orig/src/afterstep/move.c AfterStep-1.8.11-new/src/afterstep/move.c
--- AfterStep-1.8.11-orig/src/afterstep/move.c	2000-10-19 23:27:57.000000000 -0400
+++ AfterStep-1.8.11-new/src/afterstep/move.c	2006-02-20 21:03:58.864287040 -0500
@@ -324,10 +324,15 @@
 
   if (Init)
     {
+      int root_x, root_y, width, height;
       GC reliefGC, shadowGC;
       mystyle_get_global_gcs (Scr.MSFWindow, NULL, NULL, &reliefGC, &shadowGC);
-      mystyle_set_window_background (Scr.SizeWindow, Scr.MSFWindow);
+// by po:
+      XGetGeometry (dpy, Scr.SizeWindow, &JunkRoot, &root_x, &root_y, &width, &height, &JunkBW, &JunkDepth);
+      mystyle_set_window_background_po (Scr.SizeWindow, Scr.MSFWindow, root_x, root_y, width, height);
       XClearWindow (dpy, Scr.SizeWindow);
+//      SetBackgroundTextureOverlay(NULL, Scr.SizeWindow, Scr.MSFWindow, None);
+// end po.
       if (Scr.d_depth >= 2)
 	RelieveWindow (tmp_win, Scr.SizeWindow, 0, 0,
 		       Scr.SizeStringWidth + SIZE_HINDENT * 2,
diff -Naur AfterStep-1.8.11-orig/src/afterstep/resize.c AfterStep-1.8.11-new/src/afterstep/resize.c
--- AfterStep-1.8.11-orig/src/afterstep/resize.c	2000-10-19 23:27:57.000000000 -0400
+++ AfterStep-1.8.11-new/src/afterstep/resize.c	2006-02-20 21:04:01.812838792 -0500
@@ -391,8 +391,12 @@
 
   if (Init)
     {
+      int root_x, root_y, width, height;
+      XGetGeometry (dpy, Scr.SizeWindow, &JunkRoot, &root_x, &root_y, &width, &height, &JunkBW, &JunkDepth);
+      mystyle_set_window_background_po (Scr.SizeWindow, Scr.MSFWindow, root_x, root_y, width, height);
       XClearWindow (dpy, Scr.SizeWindow);
-      mystyle_set_window_background (Scr.SizeWindow, Scr.MSFWindow);
+//      XClearWindow (dpy, Scr.SizeWindow);
+//      mystyle_set_window_background (Scr.SizeWindow, Scr.MSFWindow);
       if (Scr.d_depth >= 2)
 	{
 	  GC reliefGC, shadowGC;