$link=mysql_connect($host, $user, $password);
mysql_query("Set names tis620");
mysql_select_db("$dbname");
if($type==1)
{
$sql=("SELECT * FROM `book` WHERE `title` LIKE '%$search%' ");
}
if($type==2)
{
$sql=("SELECT * FROM `book` WHERE `year` LIKE '%$search%' ");
}
elseif($type==3)
{
$sql=("SELECT * FROM `book` WHERE `amount` LIKE '%$search%' ");
}