salve, qualcuno sa aiutarmi, ho scaricato quuesto script

// set variables (SET THESE TO SUIT YOUR CIRCUMSTANCES):

// Upload directory (MUST HAVE TRAILING SLASH):
$uploaddir="/home/username/public_html/path/to/whichever/upload/directory/";
// Your email
$youremail="you@your-domain.co.uk";
// Thank you page:
$thankspage="http://www.your-domain.co.uk/thanks.htm";

// Set Upload thanks message for USER
$uptymessage="$realname, thank you for uploading the file $file_name\n\nWe will get back to you ASAP.";
// Set Upload thanks message for OWNER
$ownermessage="$realname [ $email ] has uploaded a file named $file_name\n\nCheck the upload directory.";
// Email message on or off ? 1 = on, 0 = off
$emailmessages = "1";


so come modificarlo e sostituire ma al punto

// Upload directory (MUST HAVE TRAILING SLASH):
$uploaddir="/home/username/public_html/path/to/whichever/upload/directory/";

non so cosa metterci, dove trovo il percosrso, e come lo devo mettere?

vi prego aiutatemi