if (count ($sess_id)=="0") {
$check=1;
} else if ( ! in_array ($bookid, $sess_id)) {
$check=1;
}
if ($check==1) {
include "connect.php";
$sql="select * from book where bookid='$bookid'
";
$result=mysql_db_query($dbname,$sql);
$rs=mysql_fetch_array($result);