anchor.diff:  <t:header title="Product Order"/>
   	<%
   			String error = "" + request.getAttribute("error");
  -			if (error.equals("yes"))
  +			String action = "" + session.getAttribute("action");
  +			if (error.equals("yes") || ((action.equals("order")) == false && (action.equals("insert")) == false))
   			{
   				%>
   				<h1>Error: Request Is Invalid</h1>
  
positive.code: 							for (int i = 0; i < quantity; i++)
  								pstmt3.executeUpdate();
  							conn.commit();
  							response.sendRedirect("http://localhost:8080/CSE135Project/categories.jsp");
  							rs4.close();
  							pstmt4.close();
  						}
  					
  						catch (SQLException e)
  						{
  	%>
  						<t:message type="danger" message="<%=e.getMessage() %>"/>
  	<%						conn.rollback();
  							if (conn != null)
  								conn.close();
  							if (pstmt1 != null)
  
negative.code: 						rs1 = pstmt1.executeQuery();
  			
  						//Prepared Statement 2: Show product information for product desired to add to cart
  						//Parameters: 1) Product ID
  						pstmt2 = conn.prepareStatement("SELECT * from products WHERE products.product_id = ?");
  						pstmt2.setInt(1, Integer.parseInt(product));
  						rs2 = pstmt2.executeQuery();
  