problem with confirmation window

[abb269]

Hi, gents,

i have a problem with the window which confirms an action

in the code exposed below nor message box nor button click do not function

confirmation window simply hangs and i cannot click "OK" button

#include "IE.au3"

$IEwinMsg="Message from webpage"

$oIE = _IECreate ("xxxxxxxxxxx",1)
bla-bla-bla
$oForm = _IEFormGetObjByName ($oIE, "newa")
$oQuery = _IEFormElementGetObjByName ($oForm, "NewOrd")
_IEAction ($oQuery, "click")

MsgBox(0,"trouble","this message doesn't appear")

WinWaitActive($IEwinMsg)
ControlSend($IEwinMsg,"","Button1","{Enter}") ;doesn't function

i will be obliged by any help