image upload related

<?
 if($_FILES['file']['name'] != ""){
      //upload the image with what ever you want
      //move_uploaded_file($_FILES['file']['tmp_name'],$target.$image );
      //the SQL query should contain the updating the image column
         if(($_GET['mod']=='edit') && (isset($_POST['hidden'])))
         {   
           echo $_FILES["file"]["name"];
    $allowedExts = array("jpg", "jpeg", "gif", "png");
    $extension = end(explode(".", $images));
    if ((($_FILES["file"]["type"] == "image/gif")  || ($_FILES["file"]["type"]   == "image/jpeg") || ($_FILES["file"]["type"]   == "image/png") || ($_FILES["file"]["type"]   == "image/pjpeg")) && in_array($extension, $allowedExts)){  
    if ($_FILES["file"]["error"] > 0){

               echo $_FILES["file"]["error"] . "<br>";
      }
      else{
        move_uploaded_file($_FILES["file"]["tmp_name"], "upload-images/" . $images);
        $update="UPDATE headline SET headline_title  = '$title',headline_des = '$description',month= '$month_name', day= '$day_name', images = '$images' where id = ".$_GET['id']."";
         $result = mysql_query($update);   

          }
        }
}
else
{
      //SQL update without image
        $update="UPDATE headline SET headline_title  = '$title',   headline_des    = '$description',   headline        = '$headline'   WHERE id        = ".$_GET['id']."";
         $result = mysql_query($update);   

}