/*wykrywanie przegladarki*/
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/nn.css" TYPE="text/css">')
}
function itsMsie() {
if (browser == "Microsoft Internet Explorer")
ieVersion()
}
function ieVersion(){
if (ver1 >= 4)
document.write('<LINK REL=StyleSheet HREF="/styles/ie.css" TYPE="text/css">')
if (ver3 == 3)
document.write('<LINK REL=StyleSheet HREF="/styles/ie3.css" TYPE="text/css">')
}
if ((browser == "Netscape") && (ver1 >= 4)){
itsNetscape()
}
else{
itsMsie()
}