PEAR Path

I'm trying to install a plug in for Wordpress that will let me cross post to my Xanga. For part of the installation, I need to specify the PEAR path. Without the correct path I get the following error:

Warning: main(HTTP/Request.php): failed to open stream: No such file or directory in /home/.harlem/anks329/anksconsulting.com/news/wp-content/plugins/xangaposter.php on line 15

Fatal error: main(): Failed opening required 'HTTP/Request.php' (include_path='.:/usr/local/lib/php') in /home/.harlem/anks329/anksconsulting.com/news/wp-content/plugins/xangaposter.php on line 15

The lines in question have the following:

ini_set('include_path', '/usr/local/lib/php' . PATH_SEPARATOR . ini_get('include_path'));

require_once 'HTTP/Request.php';


Any ideas as to what i'm doing wrong here?

If you are using php5 it's /usr/local/php5/lib/php/PEAR

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