Magento get all available payment method

function getAllAvailablePaymentMethod()
{
$payments = Mage::getSingleton('payment/config')->getActiveMethods();
$payMethods = array();
foreach ($payments as $paymentCode=>$paymentModel)
{
    $paymentTitle = Mage::getStoreConfig('payment/'.$paymentCode.'/title');
    $payMethods[$paymentCode] = $paymentTitle;
}
return $payMethods;
}