c = iframe.contentDocument || iframe.contentWindow.document;
        //alert(doc.body.innerText);
        myForm.reset();

        var $registerbox = $('#registerbox');
        
        var lic = $.parseJSON(doc.body.innerText);
            
        if (lic.error) {
            var msg;
            var flags = lic.code;
            if (flags == 0)
                msg = "许可证装入错误，可能不是正确的许可证文件！";
            else if (flags == 1) 
                msg = "许可证的产�