$rs = mysql_query("SELECT SQL_CALC_FOUND_ROWS * FROM items WHERE search LIKE '%".$_GET['s']."%' LIMIT ".$offset.",".$limit);
	$sqlrt=mysql_query("SELECT FOUND_ROWS() as total");

mysql> SELECT * FROM tipoUsuario;
+----+---------------+--------+
| id | tipoUsuario   | estado |
+----+---------------+--------+
|  1 | Administrador |      1 |
|  2 | conductor     |      1 |
|  3 | Cliente       |      1 |
+----+---------------+--------+
3 ROWS IN SET (0.00 sec)
 
mysql> SELECT * FROM tipoUsuario WHERE tipoUsuario LIKE '%c%';
+----+-------------+--------+
| id | tipoUsuario | estado |
+----+-------------+--------+
|  2 | conductor   |      1 |
|  3 | Cliente     |      1 |
+----+-------------+--------+
2 ROWS IN SET (0.00 sec)
 
mysql>