var browser=navigator.appName;
var version=navigator.appVersion;
var ver1=version.substring(0,1);
var ver2=version.lastIndexOf("MSIE")
var ver3=version.substring(ver2+5,ver2+6)

function itsNetscape() {
	document.write('<LINK REL="StyleSheet" HREF="styles/netstyle.css" TYPE="text/css">')
}
function itsMsie() {
	if (browser == "Microsoft Internet Explorer")
	ieVersion()
}
function ieVersion(){
	if (ver1>=4)
		document.write('<LINK REL=StyleSheet HREF="styles/iestyle.css" TYPE="text/css">')
	if (ver3==3)
		document.write('<LINK REL=StyleSheet HREF="styles/iestyle.css" TYPE="text/css">')
}

if ((browser=="Netscape") && (ver1>=4)){
	itsNetscape()
}
	else {
	itsMsie()
}