Index: apps/gui/gwps-common.c
===================================================================
--- apps/gui/gwps-common.c	(revision 17888)
+++ apps/gui/gwps-common.c	(working copy)
@@ -499,18 +499,45 @@
 
 #ifdef HAVE_LCD_BITMAP
 
+static void slider_progressbar_draw(struct screen * screen, struct bitmap bm,
+                             int pb_x, int pb_y, int pb_width,
+                             long total_length, long progress)
+{
+    int slider_x = pb_x + (pb_width - bm.width) * progress / total_length;
+
+    screen->set_drawmode(DRMODE_SOLID|DRMODE_INVERSEVID);
+    screen->fillrect(pb_x, pb_y, pb_width, bm.height);
+
+    screen->set_drawmode(DRMODE_FG);
+#if LCD_DEPTH > 1
+    if(bm.format == FORMAT_MONO) {
+#endif
+        screen->mono_bitmap(bm.data, slider_x, pb_y, bm.width, bm.height);
+#if LCD_DEPTH > 1
+    } else {
+        screen->transparent_bitmap((fb_data *)bm.data, slider_x,
+                                    pb_y, bm.width, bm.height);
+    }
+#endif
+}
+
 static void draw_progressbar(struct gui_wps *gwps,
                              struct progressbar *pb)
 {
     struct screen *display = gwps->display;
     struct wps_state *state = gwps->state;
-    if (pb->have_bitmap_pb)
+    if (!pb->is_slider && pb->have_bitmap_pb)
         gui_bitmap_scrollbar_draw(display, pb->bm,
                                   pb->x, pb->y, pb->width, pb->bm.height,
                                   state->id3->length ? state->id3->length : 1, 0,
                                   state->id3->length ? state->id3->elapsed
                                           + state->ff_rewind_count : 0,
                                           HORIZONTAL);
+    else if (pb->is_slider)
+        slider_progressbar_draw(display, pb->bm, pb->x, pb->y, pb->width,
+                                  state->id3->length?state->id3->length:1,
+                                  state->id3->length?state->id3->elapsed + state->ff_rewind_count:0);
+
     else
         gui_scrollbar_draw(display, pb->x, pb->y, pb->width, pb->height,
                            state->id3->length ? state->id3->length : 1, 0,
Index: apps/gui/wps_parser.c
===================================================================
--- apps/gui/wps_parser.c	(revision 17888)
+++ apps/gui/wps_parser.c	(working copy)
@@ -863,6 +863,10 @@
         pb->y = y;
     else
         pb->y = line_y_pos + (font_height-pb->height)/2;
+    
+    if (*(strchr(ptr, '\n')-1) == 's')
+        pb->is_slider = true;
+        
     wps_data->progressbar[wps_data->progressbar_count].have_bitmap_pb = false;
     wps_data->viewports[wps_data->num_viewports].pb =
             &wps_data->progressbar[wps_data->progressbar_count];
@@ -1405,6 +1409,7 @@
        data->img[i].always_display = false;
        data->img[i].num_subimages = 1;
     }
+    data->progressbar->is_slider = false;
 }
 #endif
 
Index: apps/gui/gwps.h
===================================================================
--- apps/gui/gwps.h	(revision 17888)
+++ apps/gui/gwps.h	(working copy)
@@ -81,6 +81,7 @@
     /*progressbar image*/
     struct bitmap bm;
     bool have_bitmap_pb;
+    bool is_slider;
 };
 #endif