what is the Zend path

[IMHO]

Where should i set the set_include_path for zend... i am trying to use google calendar on my site, and it works on zend..i never used zend, i am new to stuff like that,so on this google calendar api page it says:\[quote\] Before running this sample or developing your own code which uses the Zend Framework, you may need to set the include_path and load the appropriate classes. The include path can be set using either a php.ini setting or using the set_include_path method. This code requests a ..\[/quote\]Where should i find the zend path? i hav a typical php-apache config. shared hostI searched a lot for it but did not find anything;I tried st like this:\[quote\] set_include_path('/usr/local/');\[/quote\]\[code\]require_once 'usr/lib/Zend/Loader.php';Zend_Loader::loadClass('Zend_Gdata');Zend_Loader::loadClass('Zend_Gdata_AuthSub');Zend_Loader::loadClass('Zend_Gdata_ClientLogin');Zend_Loader::loadClass('Zend_Gdata_Calendar');\[/code\]but doesnt workThanks a lot!