// BrowserCheck
var bT = navigator.appName
var uA = navigator.userAgent
var b;
if (bT=="Netscape") b = "ns"
else if (bT=="Microsoft Internet Explorer") b = "ie"
else b=bT
var version = navigator.appVersion
var v = parseInt(this.version)
var ns = b=="ns" && v>=4
var ns4 = b=="ns" && v==4
var ns5 = b=="ns" && v==5
var ie = b=="ie" && v>=4
var ie4 = version.indexOf('MSIE 4')>0
var ie5 = version.indexOf('MSIE 5')>0 || version.indexOf('MSIE 6')>0 // compatible with ie5 = compatible with ie5, 5.5 and 6
var ie5_5 = version.indexOf('MSIE 5.5')>0 //  identify ie5.5 or 6 for any extensions 
var ie6 = version.indexOf('MSIE 6')>0 //  identify  6 for any extensions
var min = ns||ie
var isMac = (uA.indexOf("Mac")!=-1)
var isNT4 = version.indexOf('Windows NT 4.0')>0