error in deleting an inventory

hi, i am trying to delete an item from inventory management sys. done by using php on sqlite... i had created a button 'delete' and when i submit a value to be deleted it is giving an error... i am attaching the following codes: 1)html(delete.html) code which is working.. 2)php code(td.php) in which there is error can anyone help me in figure out the error ... thanks in advance ---regards __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com