Need to improve code (button clicking in frame)

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Hello, I didnt used autoit for long time and I need to make script which would click button in frames.

It works for one time but I cant use it again cos I know that some kind of loop are running.

$oFrame = _IEFrameGetCollection($oIE, 0)
$colForms = _IEFormGetCollection($oFrame)
$iFormCnt = @extended
$iForm = 0
For $oForm In $colForms
$colElem = _IEFormElementGetCollection($oForm)
$iElemCnt = @extended

$iElem = 0
For $oElem In $colElem
IF _IEFormElementGetValue($oElem) = "button" Then
ConsoleWrite("found")
_IEFormSubmit ($oForm)
EndIf
$iElem += 1
Next
$iForm += 1
Next

I know that in site is only one frame so I think I dont need one loop.

Thanks