var browsername, browserversion, browserversionsnummer, browserart, plattform;
with(navigator) {
	browsername=appName;
	browserversion=userAgent;
	browserversionsnummer=appVersion;
}

function Is() {
	agent  = navigator.userAgent.toLowerCase();
	this.major = 	parseInt(navigator.appVersion);
	this.minor = 	parseFloat(navigator.appVersion);
	this.ns = 	((agent.indexOf('mozilla')	!=   -1) &&
			((agent.indexOf('spoofer')	==   -1) &&
			(agent.indexOf('compatible')	==   -1)));
	this.ns2 = 	(this.ns && (this.major		==    3));
	this.ns3 = 	(this.ns && (this.major		==    3));
	this.ns4b = 	(this.ns && (this.major		==    4) &&
			(this.minor			<= 4.03));
	this.ns4 = 	(this.ns && (this.major		>=    4));
	this.ns6 = 	(this.ns && (this.major		>=    5));
	this.ns7 = 	(this.ns && (this.major		>=    6));
	
	this.ie = 	(agent.indexOf("msie")		!=   -1);
	this.ie3 = 	(this.ie && (this.major		<     4));
	this.ie4 = 	(this.ie && (this.major		==    4) &&
			(agent.indexOf("msie 5.0")	==   -1));
	this.ie5 = 	(this.ie && (this.major		==    4) &&
			(agent.indexOf("msie 5.0")	!=   -1));
	this.ie55 =	(this.ie && (this.major		==    4) &&
			(agent.indexOf("msie 5.5")	!=   -1));
	this.ie6 =	(this.ie && (this.major		==    4) &&
			(agent.indexOf("msie 6.0")	!=   -1));

	this.ie7 =	(this.ie && (this.major		==    4) &&
			(agent.indexOf("msie 7.0")	!=   -1));

	this.ie8 =	(this.ie && (this.major		==    4) &&
			(agent.indexOf("msie 8.0")	!=   -1));

	this.ie5mac =	(this.ie && (this.major		==    4) &&
			(agent.indexOf("mac")		!=   -1));
			
	this.op  =	(agent.indexOf("opera")		!=   -1);
	this.op6 =	(this.op && (this.major		==    6) &&
			(agent.indexOf("6.0")		!=   -1));
	this.op7 =	(this.op && (this.major		==    7) &&
			(agent.indexOf("7.")		!=   -1));
	this.mac =	(agent.indexOf("mac")		!=   -1);
	this.linux =	(agent.indexOf("linux")		!=   -1);
}

var is = new Is();
/*
browserart = 	(is.ie7)?"ie7":(
		(is.ns6)?"ns6":(
		(is.ns4)?"ns4":(
		(is.ns3)?"ns3":(
		(is.ns2)?"ns2":(
		(is.ns)?"ns":(
		(is.ie6)?"ie6":(
		(is.ie55)?"ie55":(
		(is.ie5mac)?"ie5mac":(
		(is.ie5)?"ie5":(
		(is.ie4)?"ie4":(
		(is.ie3)?"ie3":(
		(is.ie)?"ie":(
		(is.op7)?"op7":(
		(is.op6)?"op6":(
		(is.op)?"op":"")))))))))))))));

plattform = 	(is.mac)?"Mac":(
		(is.linux)?"Linux":"PC");
*/
if (is.ie && !is.ie7 && !is.ie8) {
	document.write('<link rel="stylesheet" href="stile_ie6.css" type="text/css" media="screen" charset="utf-8" />');
} else if (is.ie7) { 
	document.write('<link rel="stylesheet" href="stile_ie7.css" type="text/css" media="screen" charset="utf-8" />');
}