====== fetchHead ======
{#JAPI Joomla.Framework Document JDocument::fetchHead #}

This function is used to return the document head. It is an abstract function and can be overriden by a subclass to provide this functionality.
===== Syntax =====
string fetchHead ()

===== Examples =====
<code php|Example>
global $mainframe;

$document = &JFactory::getDocument();
$head = $document->fetchHead();
</code>
This function in the JDocument class returns an empty string.