File Upload problems

Can someone tell me why this is happening ? i've tryed everything, since changing file, directory permissions, owner, etc .... i upload a file and, i give this erros.... someone has any ideia ??? File Type: text/plain *Warning*: move_uploaded_file(teste.txt): failed to open stream: Permission denied in */usr/local/apache2/htdocs/projecto/examples/upload.php* on line *51* *Warning*: move_uploaded_file(): Unable to move '/tmp/phpXBWdts' to 'teste.txt' in */usr/local/apache2/htdocs/projecto/examples/upload.php* on line *51* Could not move file to destination directory Cheers, Bruno Santos