myBrowser=navigator.appName
myVersion=navigator.appVersion
var version45=(myVersion.indexOf("4.")!=-1||myVersion.indexOf("5.")!=-1)
var NS=(myBrowser.indexOf("Netscape")!=-1 && version45)
var IE=(myBrowser.indexOf("Explorer")!=-1 && version45)
//if(!NS&&!IE)alert("This file is intended to run under Netscape versions 4.0+ or Internet Explorer versions 4.0+, and may not run properly on earlier versions")


var n = ""

if (IE) {
var	doc="document.all"
var	vis=".style.visibility='visible'"
var	hid=".style.visibility='hidden'"
}
	else{
var	doc="document"
var	vis=".visibility='visible'"
var	hid=".visibility='hidden'"
}

function show(n) { 
	eval(doc + n + vis)
}
function hide(n) { 
	eval(doc + n + hid)
}

var isNav, isIE
if (parseInt(navigator.appVersion) >=4) {
	if (navigator.appName == "Netscape") {
		isNav = true
	} else {
		isIE = true
	}
}

if (isIE) {
var	doc="document.all"
var	vis=".style.visibility='visible'"
var	hid=".style.visibility='hidden'"
}
	else{
var	doc="document"
var	vis=".visibility='visible'"
var	hid=".visibility='hidden'"
}

function show(n) { 
	eval(doc + '.offSpan' + n + vis)
}

function hide(n) { 
	eval(doc + '.offSpan' + n + hid)
}