function fetch($url,$start,$end){
$page = file_get_contents($url);
$s1=explode($start, $page);
$s2=explode($end, $page);
$page=str_replace($s1[0], '', $page);
$page=str_replace($s2[1], '', $page);
return $page;
}






<?php
      $url = "http://www.servifutbol.com/directo.asp";
      $start = "<div id=\"cuerpo\">";
      $end = "<div class=\"cuerpo_der\">";
      function fetch($url,$start,$end){
      $page = file_get_contents($url);
      $s1=explode($start, $page);
      $s2=explode($end, $page);
      $page=str_replace($s1[0], '', $page);
      $page=str_replace($s2[1], '', $page);
      echo $page;
      return $page;
      } 
 ?>