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)
}