<!--

var agt=navigator.userAgent.toLowerCase() // Make easier for testing
var isNav4, isIE4, isMac, isNav6;

this.major = parseInt(navigator.appVersion)
this.nav = ((agt.indexOf('mozilla')!= -1) && ((agt.indexOf('spoofer')== -1) && (agt.indexOf('compatible') == -1)))
this.ie = (agt.indexOf("msie") != -1)

isNav4 = (this.nav && (this.major == 4))
isNav6 = (this.nav && (this.major >= 5))
isIE4 = (this.ie && (this.major == 4))
isMac = (agt.indexOf("mac")!= -1)

//-->