WindowsLiveLogin::setReturnUrl

function setReturnUrl($returnurl)
{
	$_force_delauth_nonprovisioned = $this->_force_delauth_nonprovisioned;
	if (!$returnurl) {
		if ($_force_delauth_nonprovisioned) {
			$this->fatal("Error: setReturnUrl: Null return URL given.");
		}
	}
	$this->_returnurl = $returnurl;
}