MD5 and Salt

[JayJay]

Is there any way to change the current salt to something different? And if so, how would I go about doing this?

Would I need to change the following in functions_user.php:

// ###################### Start makesalt #######################
// generates a totally random string of $length chars
function fetch_user_salt($length = 3)
{
	$salt = '';
	for ($i = 0; $i < $length; $i++)
	{
		$salt .= chr(rand(32, 126));
	}
	return $salt;
}