====== setBase ======
{#JAPI Joomla.Framework Document JDocumentHTML::setBase #}

Sets the document base URL tag.
===== Syntax =====
void setBase ( **$url** )
| **$url** | string | is a string containing the url to be used in the base tag. |

===== Examples =====
Set the document base URL tag.
<code php|Example>
global $mainframe;

$document =& JFactory::getDocument();
$document->setBase( $mainframe->getBaseURL() );
</code>
might result in the following base tag in the head block:
<code php|Result>
<base href="http://127.0.0.1/joomla11/" />
</code>