diff -urN cui29/cui_test.c cui30/cui_test.c
--- cui29/cui_test.c	Thu Jan 30 23:40:00 2014
+++ cui30/cui_test.c	Fri Jan 31 00:20:00 2014
@@ -1,4 +1,5 @@
 #include <stdio.h>
+#include <string.h>
 #include "cui.h"
 #include "esc.h"
 #include "handler.h"
@@ -6,6 +7,43 @@
 #include "button.h"
 #include "dialog.h"
 
+extern cui cui_focus;
+
+int
+joke_hdr(cui obj, int evt, int val, void *prm)
+{
+	cui lb = (cui)prm, b2 = lb->children, b1 = b2->next;
+	char *s = cui_button_str_get(obj);
+
+	if(strcmp(s, "reboot") == 0 || strcmp(s, "power off") == 0){
+		cui_label_str_set(lb, "It's a joke");
+		cui_button_str_set(b1, "sorry");
+		cui_x_set(b1, lb->w + 1);
+		cui_hide(b2);
+		cui_focus = b1;
+		cui_w_set(lb, b1->x + b1->w);		
+	}else{
+		cui_hide(lb);	
+		cui_focus = NULL;
+		cui_draw(lb->parent);
+	}
+	return TRUE;
+}
+
+cui
+joke_new(cui parent, int x, int y)
+{
+	cui lb = cui_label_new(parent, x, y, "system panic!");
+	cui b1 = cui_button_new(lb, lb->w + 1, 0, "reboot");
+	cui b2 = cui_button_new(lb, b1->x + b1->w + 1, 0, "power off");
+	cui_w_set(lb, b2->x + b2->w);
+	cui_bind(b1, CUI_EVT_BUTTON, joke_hdr, lb);
+	cui_bind(b2, CUI_EVT_BUTTON, joke_hdr, lb);
+	cui_focus = b1;
+	cui_draw(lb);
+	return lb;
+}
+
 int
 my_hdr(cui obj, int evt, int val, void *prm)
 {
@@ -14,6 +52,7 @@
 	cui_button_str_set(p->btn1, "Yes");
 	cui_button_str_set(p->btn2, "No");
 	cui_unbind(obj, CUI_EVT_BUTTON, my_hdr);
+	joke_new(((cui)p)->parent, 0, 4);
 	return TRUE;
 }