//special for mac 5.0
                var isMac = navigator.userAgent.indexOf("Mac") > -1 ;
                var isIE5 = navigator.userAgent.indexOf("MSIE 5.0") > -1;
                var noShowFlash = 0;
                //alert(isMac + "," + isIE5);
                if(isMac && isIE5){
                        noShowFlash = 1;
                }
                //alert(noShowFlash);
        var flashinstalled = 0;
        MSDetect = "false";
        if (navigator.mimeTypes && navigator.mimeTypes.length){
                x = navigator.mimeTypes['application/x-shockwave-flash'];
                if (x && x.enabledPlugin) flashinstalled = 2;
                        else flashinstalled = 1;
        } else {
                MSDetect = "true";
        }