Get Base Url , Skin Url , Media Url , Js Url , Store Url and Current Url in phtml file and cms page

Get Url in cms pages or static blocks
1. Get Base Url :

{{store url=""}}

2. Get Skin Url :

{{skin url='images/imagename.jpg'}}

3. Get Media Url :

{{media url='/imagename.jpg'}}

4. Get Store Url :

{{store url='mypage.html'}}

Get Url in phtml files

1. Get Base Url:

Mage::getBaseUrl();

2. Get Skin Url :

Mage::getBaseUrl(Mage_Core_Model_Store::URL_TYPE_SKIN);

(a) Unsecure Skin Url :

$this->getSkinUrl('images/imagename.jpg');

(b) Secure Skin Url :

$this->getSkinUrl('images/imagename.gif', array('_secure'=>true));

3. Get Media Url :

Mage::getBaseUrl(Mage_Core_Model_Store::URL_TYPE_MEDIA);

4. Get Js Url :

Mage::getBaseUrl(Mage_Core_Model_Store::URL_TYPE_JS);

5. Get Store Url :

Mage::getBaseUrl(Mage_Core_Model_Store::URL_TYPE_WEB);

6. Get Current Url

Mage::helper('core/url')->getCurrentUrl();