           data.src = "data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///ywAAAAAAQABAAACAUwAOw==";
                    return support;
                })(),
                // 检测是否已经安装flash，检测flash的版本
                flashVersion = (function () {
                    var version;
                    try {
                        version = navigator.plugins['Shockwave Flash'];
                        version = version.description;
                    } catch (ex) {
                   