验证码在IE 8中不起作用

I have an order page where people can submit orders to my company. Before they submit the order, they are required to enter a Captcha code. This order page is located in a Frames page on my company site. When the correct code is entered, the order is supposed to be processed, but it is not. If a wrong code is entered an error message displays at the top of the page indicating a wrong code:I have an order page where people can submit or