insert into shoppingitem (product_id,session_id,srtype,quantity) values('BAPMAL05','20798','','1')    
     <form id="form1" action="shoppingcart.php" method="post">
       
         <input type="hidden" value="BAPMAL05" name="srid" />
         <input type="hidden" value=""  name="prod"/>
 </form>
    <script>
    
document.getElementById("form1").submit();
    
    </script>
	
</body>
</html>