diff --git a/Lib/lib-tk/SimpleDialog.py b/Lib/lib-tk/SimpleDialog.py
new file mode 100644
index 0000000..d82773d
--- /dev/null
+++ b/Lib/lib-tk/SimpleDialog.py
@@ -0,0 +1,77 @@
+"""A simple but flexible modal dialog box."""
+
+
+from Tkinter import *
+import tktools
+
+
+class SimpleDialog:
+
+    def __init__(self, master,
+		 text='', buttons=[], default=None, cancel=None,
+		 title=None, class_=None):
+	self.root = tktools.make_toplevel(master, title=title, class_=class_)
+	self.message = Message(self.root, text=text, aspect=400)
+	self.message.pack(expand=1, fill=BOTH)
+	self.frame = Frame(self.root)
+	self.frame.pack()
+	self.num = default
+	self.cancel = cancel
+	self.default = default
+	self.root.bind('<Return>', self.return_event)
+	for num in range(len(buttons)):
+	    s = buttons[num]
+	    b = Button(self.frame, text=s,
+		       command=(lambda self=self, num=num: self.done(num)))
+	    if num == default:
+		b.config(relief=RIDGE, borderwidth=8)
+	    b.pack(side=LEFT, fill=BOTH, expand=1)
+	self.root.protocol('WM_DELETE_WINDOW', self.wm_delete_window)
+	tktools.set_transient(self.root, master)
+
+    def go(self):
+	self.root.grab_set()
+	self.root.mainloop()
+	self.root.destroy()
+	return self.num
+
+    def return_event(self, event):
+	if self.default is None:
+	    self.root.bell()
+	else:
+	    self.done(self.default)
+
+    def wm_delete_window(self):
+	if self.cancel is None:
+	    self.root.bell()
+	else:
+	    self.done(self.cancel)
+
+    def done(self, num):
+	self.num = num
+	self.root.quit()
+
+
+def test():
+    root = Tk()
+    def doit(root=root):
+	d = SimpleDialog(root,
+			 text="This is a test dialog.  "
+		              "Would this have been an actual dialog, "
+			      "the buttons below would have glowed "
+			      "in soft pink light. "
+			      "Do you believe this?",
+			 buttons=["Yes", "No", "Cancel"],
+			 default=0,
+			 cancel=2,
+			 title="Test Dialog")
+	print d.go()
+    t = Button(root, text='Test', command=doit)
+    t.pack()
+    q = Button(root, text='Quit', command=t.quit)
+    q.pack()
+    t.mainloop()
+
+
+if __name__ == '__main__':
+    test()
diff --git a/Lib/tkinter/SimpleDialog.py b/Lib/tkinter/SimpleDialog.py
new file mode 100755
index 0000000..d82773d
--- /dev/null
+++ b/Lib/tkinter/SimpleDialog.py
@@ -0,0 +1,77 @@
+"""A simple but flexible modal dialog box."""
+
+
+from Tkinter import *
+import tktools
+
+
+class SimpleDialog:
+
+    def __init__(self, master,
+		 text='', buttons=[], default=None, cancel=None,
+		 title=None, class_=None):
+	self.root = tktools.make_toplevel(master, title=title, class_=class_)
+	self.message = Message(self.root, text=text, aspect=400)
+	self.message.pack(expand=1, fill=BOTH)
+	self.frame = Frame(self.root)
+	self.frame.pack()
+	self.num = default
+	self.cancel = cancel
+	self.default = default
+	self.root.bind('<Return>', self.return_event)
+	for num in range(len(buttons)):
+	    s = buttons[num]
+	    b = Button(self.frame, text=s,
+		       command=(lambda self=self, num=num: self.done(num)))
+	    if num == default:
+		b.config(relief=RIDGE, borderwidth=8)
+	    b.pack(side=LEFT, fill=BOTH, expand=1)
+	self.root.protocol('WM_DELETE_WINDOW', self.wm_delete_window)
+	tktools.set_transient(self.root, master)
+
+    def go(self):
+	self.root.grab_set()
+	self.root.mainloop()
+	self.root.destroy()
+	return self.num
+
+    def return_event(self, event):
+	if self.default is None:
+	    self.root.bell()
+	else:
+	    self.done(self.default)
+
+    def wm_delete_window(self):
+	if self.cancel is None:
+	    self.root.bell()
+	else:
+	    self.done(self.cancel)
+
+    def done(self, num):
+	self.num = num
+	self.root.quit()
+
+
+def test():
+    root = Tk()
+    def doit(root=root):
+	d = SimpleDialog(root,
+			 text="This is a test dialog.  "
+		              "Would this have been an actual dialog, "
+			      "the buttons below would have glowed "
+			      "in soft pink light. "
+			      "Do you believe this?",
+			 buttons=["Yes", "No", "Cancel"],
+			 default=0,
+			 cancel=2,
+			 title="Test Dialog")
+	print d.go()
+    t = Button(root, text='Test', command=doit)
+    t.pack()
+    q = Button(root, text='Quit', command=t.quit)
+    q.pack()
+    t.mainloop()
+
+
+if __name__ == '__main__':
+    test()