ayuda con rutas de archivos

[yowmy]

lo intente y me da error

mira mi codigo

<?php
include ($_SERVER['DOCUMENT_ROOT']."/Control/pad/main.php");


$codigo = addslashes($codigo);

conexion();


$rec = consulta_receta2($codigo);
$row = mysql_fetch_array($rec);
$num_rec = filas($rec);

echo $num_rec;


echo $a1 = htmlspecialchars(stripslashes($row['nombre']));
echo $b1 = htmlspecialchars(stripslashes($row['codigo']));
echo $c1 = htmlspecialchars(stripslashes($row['descripcion']));



?>

y mira el error que me da:


Warning: include(/home/requiero/public_html/carnes.com.do/Control/pad/main.php) [function.include]: failed to open stream: No such file or directory in /home/requiero/public_html/carnes.com.do/demo.php on line 2

Warning: include() [function.include]: Failed opening '/home/requiero/public_html/carnes.com.do/Control/pad/main.php' for inclusion (include_path='.:/usr/lib/php:/usr/local/lib/php') in /home/requiero/public_html/carnes.com.do/demo.php on line 2

Fatal error: Call to undefined function conexion() in /home/requiero/public_html/carnes.com.do/demo.php on line 7