Mπορείτε να με βοηθήσετε;

[nect]

Mπορείτε να με βοηθήσετε σχετικά με τον παρακάτω κώδικα

 

><?php
session_start();

$RandomStr = md5(microtime());// md5 to generate the random string

$ResultStr = substr($RandomStr,0,5);//trim 5 digit 

$NewImage =imagecreatefromjpeg("img.jpg");//image create by existing image and as back ground 

$LineColor = imagecolorallocate($NewImage,233,239,239);//line color 
$TextColor = imagecolorallocate($NewImage, 000,000,000);//text color-white

imageline($NewImage,1,1,40,40,$LineColor);//create line 1 on image 
imageline($NewImage,1,100,60,0,$LineColor);//create line 2 on image 

imagestring($NewImage, 5, 20, 10, $ResultStr, $TextColor);// Draw a random string horizontally 

$_SESSION['key'] = $ResultStr;// carry the data through session

header("Content-type: image/jpeg");// out out the image 

imagejpeg($NewImage);//Output image to browser 

?>

 

Μου βγάζει το παρακάτω μήνυμα στο άνοιγμα της σελίδας

 

>Warning: imagecreatefromjpeg(img.jpg) [function.imagecreatefromjpeg]: failed to open stream: No such file or directory in /home/cookgr1/public_html/php_captcha.php on line 8

Warning: imagecolorallocate(): supplied argument is not a valid Image resource in /home/cookgr1/public_html/php_captcha.php on line 10

Warning: imagecolorallocate(): supplied argument is not a valid Image resource in /home/cookgr1/public_html/php_captcha.php on line 11

Warning: imageline(): supplied argument is not a valid Image resource in /home/cookgr1/public_html/php_captcha.php on line 13

Warning: imageline(): supplied argument is not a valid Image resource in /home/cookgr1/public_html/php_captcha.php on line 14

Warning: imagestring(): supplied argument is not a valid Image resource in /home/cookgr1/public_html/php_captcha.php on line 16

Warning: Cannot modify header information - headers already sent by (output started at /home/cookgr1/public_html/php_captcha.php:8) in /home/cookgr1/public_html/php_captcha.php on line 20

Warning: imagejpeg(): supplied argument is not a valid Image resource in /home/cookgr1/public_html/php_captcha.php on line 22