$PHP_SELF=$_SERVER["PHP_SELF"];
if (preg_match("/(.*)edit\/([[:alnum:]]{1,}.php{1})/",$_SERVER["SCRIPT_FILENAME"],$regs)){
$admin_dir=1;
$site_root=$regs[1];
$relative_path_str="../";
}
else if (preg_match("/(.*)\/([[:alnum:]]{1,}.php{1})/",$_SERVER["SCRIPT_FILENAME"],$regs))
$site_root=$regs[1];
else if ($debug) echo "Go to stat.inc and set up manually.";
if (preg_match("/(([[:alnum:]\/_~]){0,})(index.php{1})/",$PHP_SELF,$regs))
$site_url=$_SERVER["HTTP_HOST"].$regs[1];
if (preg_match("/(([[:alnum:]\/_~]){0,})(edit\/{1})(index.php{1})/",$PHP_SELF,$regs))
$site_url=$HOSTNAME.$regs[1];