function DrawOwnerText()
{
// allocate owner text colour
$iBlack = imagecolorallocate($this->oImage, 0, 0, 0);
// get height of selected font
$iOwnerTextHeight = imagefontheight(2);
// calculate overall height
$iLineHeight = $this->iHeight - $iOwnerTextHeight - 4;
// draw line above text to separate from CAPTCHA
imageline($this->oImage, 0, $iLineHeight, $this->iWidth, $iLineHeight, $iBlack);
// write owner text
imagestring($this->oImage, 2, 3, $this->iHeight - $iOwnerTextHeight - 3, $this->sOwnerText, $iBlack);
// reduce available height for drawing CAPTCHA
$this->iHeight = $this->iHeight - $iOwnerTextHeight - 5;
}