Prueba hacer asi tu funcion:
Código PHP:
<?php
function site_config()
{
require_once('Connections/SCMS.php');
mysql_select_db($database_SCMS, $SCMS);
$query_site_config = "SELECT * FROM site";
$site_config = mysql_query($query_site_config, $SCMS) or die(mysql_error());
$row_site_config = mysql_fetch_assoc($site_config);
$totalRows_site_config = mysql_num_rows($site_config);
/*La variable sitename */
$sitename = $row_site_config['name'];
echo $sitename;
mysql_free_result($site_config);
}
?>
Saludos.