var win = (navigator.appVersion.indexOf("Windows"))?true:false;
var ie= (navigator.appName == "Microsoft Internet Explorer")?true:false;
var v = navigator.appVersion;
var v55 = v.indexOf("MSIE 5.5")?true:false;
var v60 = v.indexOf("MSIE 6.0")?true:false;
var chromelessCompatible = win && ie && (v55 || v60);