form image upload

[onthespot]

anyone have any ideas why this is only returning the new image, and the post submit isnt firing? i have lots of errors, it just isnt working (the image part)

please help

 

$posted=$_SESSION['username'];
$subject=$_POST['subject'];
$comment=$_POST['comment'];


$query="INSERT INTO ".TBL_NEWS." VALUES (NULL,'$posted', now(),'$comment', '$subject')";
if (!empty($_POST)) {

if(!$subject || strlen($subject = trim($subject)) == 0)
    echo "Subject not entered";
else if(!$comment || strlen($comment = trim($comment)) == 0)
    echo "Comment not entered";
else if(!$comment || strlen($comment = trim($comment)) < 10)
    echo "Comment too short, must be 10 characters at least";
else if (!$comment || strlen($comment = trim($comment)) > 10){
    echo "".$_SESSION['username'].", you have added a news piece";
mysql_query($query);}
else if(isset($_POST['submit']))


{
          if (isset ($_FILES['new_image']))
{
              $imagename = $_FILES['new_image']['name'];
              $source = $_FILES['new_image']['tmp_name'];
              $target = "images/news/".$imagename;
              move_uploaded_file($source, $target);

              $imagepath = $imagename;
              $save = "images/news/" . $imagepath; //This is the new file you saving
              $file = "images/news/" . $imagepath; //This is the original file

              list($width, $height) = getimagesize($file) ; 

              $modwidth = 150; 

              $diff = $width / $modwidth;

              $modheight = $height / $diff; 
              $tn = imagecreatetruecolor($modwidth, $modheight) ; 
              $image = imagecreatefromjpeg($file) ; 
              imagecopyresampled($tn, $image, 0, 0, 0, 0, $modwidth, $modheight, $width, $height) ; 

              imagejpeg($tn, $save, 100) ; 

              $save = "images/news/sml_" . $imagepath; //This is the new file you saving
              $file = "images/news" . $imagepath; //This is the original file

              list($width, $height) = getimagesize($file) ; 

              $modwidth = 80; 

              $diff = $width / $modwidth;

              $modheight = $height / $diff; 
              $tn = imagecreatetruecolor($modwidth, $modheight) ; 
              $image = imagecreatefromjpeg($file) ; 
              imagecopyresampled($tn, $image, 0, 0, 0, 0, $modwidth, $modheight, $width, $height) ; 

              imagejpeg($tn, $save, 100) ; 
            echo "Large image: <img src='images/".$imagepath."'><br>"; 
            echo "Thumbnail: <img src='images/sml_".$imagepath."'>"; 

          }
        }

}