convert script to function

[Tyger]

Can someone help me converting this script i found to a function?

#Region ;**** Directives created by AutoIt3Wrapper_GUI ****
#AutoIt3Wrapper_outfile_type=a3x
#AutoIt3Wrapper_UseUpx=n
#EndRegion ;**** Directives created by AutoIt3Wrapper_GUI ****
#include <GUIConstants.au3>
#include <IE.au3>
$GUI = GUICreate("Simple Web Browser", 800, 450)
$object = ObjCreate("Shell.Explorer.2")
$object_ctrl = GUICtrlCreateObj($object, 16, 10, 780, 400)
$url_button = GUICtrlCreateButton("URL", 16, 410, 750, 25, 0)
_IENavigate($object, "www.google.com")
GUISetState()

While 1
    $msg = GUIGetMsg()
    Select
    Case $msg = $url_button
        $URL = "www.hotmail.com"
        _IENavigate($Object, $URL)

    Case $msg = $GUI_EVENT_CLOSE
        Exit
    EndSelect
WEnd

[Yashied]

Func _MySuperMegaCoolFunc()

; Your code is here

EndFunc   ;==>_MySuperMegaCoolFunc

EDIT:

And replace Exit to Return.

Edited September 3, 2009 by Yashied