#include <IE.au3>
$sUrl = 'http://autoit-script.ru/index.php?topic=5657'
$oIE = _IECreate($sUrl, 0, 0)
$sHTML = _IEBodyReadHTML($oIE)
$sHTML = StringReplace($sHTML, 'Rakim', 'Двойник Rakim`a')
$sHTML = StringReplace($sHTML, 'Новичок', 'Супер-пупер модератор :)')
_IEBodyWriteHTML($oIE, $sHTML)
$oIE.visible = 1