diff -pud openbox-3.3-rc2/render/gradient.c openbox-3.3-dev/render/gradient.c
--- openbox-3.3-rc2/render/gradient.c	Tue Oct 14 22:59:35 2003
+++ openbox-3.3-dev/render/gradient.c	Wed Feb 15 05:05:43 2006
@@ -24,6 +24,7 @@
 
 static void highlight(RrPixel32 *x, RrPixel32 *y, gboolean raised);
 static void gradient_solid(RrAppearance *l, gint w, gint h);
+static void gradient_split(RrAppearance *a, gint w, gint h);
 static void gradient_vertical(RrSurface *sf, gint w, gint h);
 static void gradient_horizontal(RrSurface *sf, gint w, gint h);
 static void gradient_diagonal(RrSurface *sf, gint w, gint h);
@@ -41,6 +42,9 @@ void RrRender(RrAppearance *a, gint w, g
     case RR_SURFACE_SOLID:
         gradient_solid(a, w, h);
         break;
+    case RR_SURFACE_SPLIT:
+        gradient_split(a, w, h);
+        break;
     case RR_SURFACE_VERTICAL:
         gradient_vertical(&a->surface, w, h);
         break;
@@ -357,6 +361,64 @@ static void gradient_solid(RrAppearance 
             }                                             \
         }                                                 \
     }                                                     \
+}
+
+static void gradient_split(RrAppearance *a, gint w, gint h)
+{
+    gint x, y1, y3, r, g, b;
+    RrSurface *sf = &a->surface;
+    RrPixel32 *data = sf->pixel_data;
+    RrPixel32 current;
+    RrColor *primary_light, *secondary_light;
+
+    r = sf->primary->r;
+    r += r >> 2;
+    g = sf->primary->g;
+    g += g >> 2;
+    b = sf->primary->b;
+    b += b >> 2;
+    if (r > 0xFF) r = 0xFF;
+    if (g > 0xFF) g = 0xFF;
+    if (b > 0xFF) b = 0xFF;
+      primary_light = RrColorNew(a->inst, r, g, b);
+
+    r = sf->secondary->r;
+    r += r >> 4;
+    g = sf->secondary->g;
+    g += g >> 4;
+    b = sf->secondary->b;
+    b += b >> 4;
+    if (r > 0xFF) r = 0xFF;
+    if (g > 0xFF) g = 0xFF;
+    if (b > 0xFF) b = 0xFF;
+    secondary_light = RrColorNew(a->inst, r, g, b);
+
+    VARS(y1);
+    SETUP(y1, primary_light, sf->primary, (h / 2) -1);
+  
+    VARS(y3);
+    SETUP(y3, sf->secondary, secondary_light,  (h / 2) -1);
+
+    for (y1 = h - 1; y1 > (h / 2) -1; --y1) {  /* 0 -> h-1 */
+        current = COLOR(y1);
+        for (x = w - 1; x >= 0; --x)  /* 0 -> w */
+            *(data++) = current;
+
+        NEXT(y1);
+    }
+
+    
+    for (y3 = (h / 2) - 1; y3 > 0; --y3) {
+        current = COLOR(y3);
+        for (x = w - 1; x >= 0; --x)
+            *(data++) = current;
+
+        NEXT(y3);
+    }
+
+    current = COLOR(y3);
+    for (x = w - 1; x >= 0; --x)  /* 0 -> w */
+        *(data++) = current;
 }
 
 static void gradient_horizontal(RrSurface *sf, gint w, gint h)
diff -pud openbox-3.3-rc2/render/render.h openbox-3.3-dev/render/render.h
--- openbox-3.3-rc2/render/render.h	Fri Jul 15 09:39:31 2005
+++ openbox-3.3-dev/render/render.h	Wed Feb 15 05:06:59 2006
@@ -61,6 +61,7 @@ typedef enum {
     RR_SURFACE_NONE,
     RR_SURFACE_PARENTREL,
     RR_SURFACE_SOLID,
+    RR_SURFACE_SPLIT,
     RR_SURFACE_HORIZONTAL,
     RR_SURFACE_VERTICAL,
     RR_SURFACE_DIAGONAL,
diff -pud openbox-3.3-rc2/render/theme.c openbox-3.3-dev/render/theme.c
--- openbox-3.3-rc2/render/theme.c	Thu Jul 14 15:41:24 2005
+++ openbox-3.3-dev/render/theme.c	Wed Feb 15 05:08:04 2006
@@ -1200,6 +1200,8 @@ static void parse_appearance(gchar *tex,
                 *grad = RR_SURFACE_HORIZONTAL;
             else if (strstr(tex, "vertical") != NULL)
                 *grad = RR_SURFACE_VERTICAL;
+            else if (strstr(tex, "split") != NULL)
+                *grad = RR_SURFACE_SPLIT;
             else
                 *grad = RR_SURFACE_DIAGONAL;
         } else {