code: private function curPageURL ()
  	{
  		$pageURL = 'http';
  		if (isset ($_SERVER["HTTPS"]) && $_SERVER["HTTPS"] == "on") { $pageURL .= "s"; }
  		$pageURL .= "://";
  		if ($_SERVER["SERVER_PORT"] != "80")
  		{
  			$pageURL .= $_SERVER["SERVER_NAME"].":".$_SERVER["SERVER_PORT"].$_SERVER["REQUEST_URI"];
  		}
  		else
  		{
  			$pageURL .= $_SERVER["SERVER_NAME"].$_SERVER["REQUEST_URI"];
  		}
  
  		return $pageURL;
  	}
docs: *********************************************************
  Helper functions
  **********************************************************