You Tube API

Hi
I create one module for You Tube API. In that module when we access the site i got one error.That's

"Fatal error: Call to undefined function youtube_api_video() in C:\server\apache\htdocs\drupal-5.7\sites\all\modules\custom\yout.module on line 67"

If anyone know please help me.

So if we want create You Tube API in drupal site whether we need any library or other module to upload
videos from drupal site.

Thanks in Advance

with Regards,
Santhanaraj R