Incluir arquivo class.php de um outro servidor

Oláa amigos..

gostaria de saber como faço pra incluir uma class.php

qii venha de outro servidor...!" )*

da sempre o seguinte erro...!" )*

Warning: include_once() [function.include-once]: http:// wrapper is disabled in the server configuration by allow_url_include=0 in C:\Arquivos de programas\EasyPHP5.3.0\www\settran\adm\topo.php on line 2

Warning: include_once(http://www.saviodesigner.com.br/settran/savio.class.php) [function.include-once]: failed to open stream: no suitable wrapper could be found in C:\Arquivos de programas\EasyPHP5.3.0\www\settran\adm\topo.php on line 2

Warning: include_once() [function.include]: Failed opening 'http://www.saviodesigner.com.br/settran/savio.class.php' for inclusion (include_path='.;C:\php5\pear') in C:\Arquivos de programas\EasyPHP5.3.0\www\settran\adm\topo.php on line 2

Fatal error: Class 'savio' not found in C:\Arquivos de programas\EasyPHP5.3.0\www\settran\adm\topo.php on line 3