Add new language to magento

Reference : http://inchoo.net/magento/adding-a-new-language-in-magento/ Norwegian Nynorsk Language Pack : http://www.magentocommerce.com/magento-connect/magento-community-modules-norwegian-nynorsk-norway-language-pack.html Norwegian Bokmal Language Pack : http://www.magentocommerce.com/magento-connect/magento-community-modules-norwegian-bokmal-norway-language-pack.html