These are the following methods to get Magento Base Url, Magento Skin Url, Magento Media Url, Magento Js Url.to get all write the following code
Mage::getBaseUrl(Mage_Core_Model_Store::URL_TYPE_LINK); or you can write $this->getUrl();
e.g:- http://yoursite.com/index.php/
Get Magento Media Url
Mage::getBaseUrl(Mage_Core_Model_Store::URL_TYPE_MEDIA);
e.g:- http://yoursite.com/media/
Get Magento Skin Url
Mage::getBaseUrl(Mage_Core_Model_Store::URL_TYPE_SKIN); or you can write $this->getSkinUrl();
e.g:- http://yoursite.com/skin/
Get Magento Store Url
Mage::getBaseUrl(Mage_Core_Model_Store::URL_TYPE_WEB);
e.g:- http://yoursite.com/
Get Magento Js Url
Mage::getBaseUrl(Mage_Core_Model_Store::URL_TYPE_JS);
http://www.yoursite.com/js
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