break;
     case -2:
         $error[$num_errors++] = "There are invalid characteres at the name";
         break;
 }
 switch (User_Validate_Simple_Field($rooms[0][2], 256)) {
     case -2:
         $error[$num_errors++] = "There are invalid characteres at the comments";
         break;
 }
 switch (User_Validate_Simple_Field($rooms[0][5], 100)) {
     case -2:
         $error[$num_errors++] = "There are invalid characteres at the location";
         break;
 }
 switch (User_Validate_Numeric_Field($rooms[0][4])) {
     case -1:
         $error[$num_errors++] = "The capacity must be a integer greater than 0";
         break;
     case 0:
         $error[$num_errors++] = "The capacity must be filled";
         break;
     case -2:
         $error[$num_errors++] = "There are invalid characteres at the location";
         break;
 }
 if (empty($error)) {
     Update_Room($rooms[0][0], $rooms[0][1], $rooms[0][2], $rooms[0][3], $rooms[0][4], $rooms[0][5], $rooms[0][6], $bd);
     $alert[$num_alerts++] = "Room Updated Successfully";
     include "adm_acc_rooms.php";
     exit;
     case -2:
         $error[$num_errors++] = "There are invalid characteres at the Group";
         break;
 }
 switch (User_Validate_Numeric_Field($courses[0][5])) {
     case -1:
         $error[$num_errors++] = "The year must be an integer value.";
         break;
     case 0:
         $error[$num_errors++] = "The year must be filled";
         break;
     case -2:
         $error[$num_errors++] = "There are invalid characteres at the year";
         break;
 }
 switch (User_Validate_Numeric_Field($courses[0][6])) {
     case -1:
         $error[$num_errors++] = "The semester must be an integer value.";
         break;
     case 0:
         $error[$num_errors++] = "The semester must be filled";
         break;
     case -2:
         $error[$num_errors++] = "There are invalid characteres at the semester";
         break;
 }
 switch (User_Validate_Simple_Field($courses[0][7], 32)) {
     case 0:
         $error[$num_errors++] = "A Lecturer must be chosen";
         break;
     case -2: