//获取 magento js  路径
Mage::getBaseUrl(Mage_Core_Model_Store::URL_TYPE_JS);

//http://你网站地址/index.php/
Mage::getBaseUrl(Mage_Core_Model_Store::URL_TYPE_LINK);

//获取 magento media 目录
Mage::getBaseUrl(Mage_Core_Model_Store::URL_TYPE_MEDIA);

//magento中 获取skin目录
Mage::getBaseUrl(Mage_Core_Model_Store::URL_TYPE_SKIN);
//http://你网站地址/
Mage::getBaseUrl(Mage_Core_Model_Store::URL_TYPE_WEB);