browser.php
public function setFieldByName($name, $value, $position=false)
    {
        return $this->page->setField(new SelectByName($name), $value, $position);
    }
public function setFieldByName($name, $value, $position=false)
    {
        return $this->page->setField(new SelectByName($name), $value, $position);
    }
Sets all form fields with that name. Will use label if one is available (not yet
implemented).

@param string $name    Name of field in forms.
@param string $value   New value of field.

@return bool        True if field exists, otherwise false.