questions about combobox select

[faustf]

hi  guy i  have  program 

it  would  choice  a  combo  box  i use  

$oSelect = _IEFormElementGetObjByName($oForm, "categoria")
_IEAction($oSelect, "focus")

 

but  dont  do nothing

the  site  is  https://www.kijiji.it/pubblica-annuncio

i want  select  combobox  of  categoria

the  script  is 

_entra_kijiji_it()
    _IENavigate($oIE, "https://www.kijiji.it/pubblica-annuncio")
    _IELoadWait($oIE)
    $oSelect = _IEFormElementGetObjByName($oIE, "categoria")
_IEAction($oSelect, "focus")

 

 

[mikell]

_IENavigate($oIE, "https://www.kijiji.it/pubblica-annuncio")
$oForm = _IEFormGetObjByName($oIE, "syi_create")    ;<<<<<<<<<<<
$oSelect = _IEFormElementGetObjByName($oForm, "categoria")
_IEAction($oSelect, "focus")