
Variables de Sesión de Reservations

-	$_SESSION['user_id'] = Id del Usuario || User Id
-	$_SESSION['id_group'] = 1º Group of User
-	$_SESSION['login']= Login
-	$_SESSION['email']= Email
-	$_SESSION['username'] = Name and Surname
-	$_SESSION['config'] = Variables of Config
-	$_SESSION['language'] = 'English' Idioma del interfaz || Interface language

-  $_SESSION['mail_select'] =  select record for email send
-  $_SESSION['mail_sql'] = SQL 
-  $_SESSION['mail_where']  = Condition where last select of email_contact
-  $_SESSION['contact_select'] =  select record for list of email
-  $_SESSION['contact_where']  = Condition where last select of Contact