function add_city($city)
 {
  //echo $city['state_id'];
  global $mysql;

  if($city['name'] && $city['country_code'] && $city['active'])
  {
   $values="";

   $values=array();
   if($city['state_id'])
   {
       $city['state_id'];
      $values.=$city['state_id'].",";
   }
   $result=$sql.$values;
   echo $result;
   if($city('metro_area_id')==NULL)
   {
    $values.=$city['metro_area_id'].",";
   }
   if($city['city_area_id']==NULL)
   {
    $values.=$city['city_area_id'].",";
   }
   if($city['station']==NULL)
   {
    $values.=$city['station'].",";
   }
   if($city['longitude']==NULL)
   {
    $values.=$city['station'].",";
   }
   if($city['latitude']==NULL)
   {
    $values.=$city['latitude'];
   }
   $query=$sql.$values.")";
  }