[Сеть, интернет] обработать ошибку obj

$Url = "http://odnoklassniki.ru/dk?st.cmd=userGroupsSearch&st.query_userAltGroupSearch="
$oIE= _IECreate ($URL,0,1,1,1)
$oSearch = _IEGetObjById($oIE, "field_query_userAltGroupSearch")
$oButtons = _IETagNameGetCollection ($oIE,"input")
_IEFormElementSetValue($oSearch, $Poisk)

For $oButton in $oButtons
   If $oButton.value == "Найти" Then _IEAction($oButton, "click")
   Next

Do
  $oIE = _IECreate ($URL,0,1,1,1)
  Sleep(1000)
Until IsObj($oIE)

If IsObj($oButtons) Then
	For $oButton in $oButtons
		
		...
		
	Next
EndIf

$oNambers = _IETagNameGetCollection ($oIE,"i")
;~ Sleep (2000)
$i = 0

For $oNamber in $oNambers
   If $oNamber.className == "hcount" Then
   $i = $i + 1
   $a =   _IEPropertyGet($oNamber, "InnerText")
   If $i = 2 Then
   $All_Group = $a
   _ConsoleWrite ("Все группы: "&$All_Group)
ElseIf $i = 1 Then
   $My_group = $a
   _ConsoleWrite ("Мои группы: "&$My_group)
   $All_Group = 0
Else
   _ConsoleWrite ("Группы не найдены")

EndIf
EndIf
Next

_IETagNameGetCollection ($oIE,"i")