<!--
var browserName = navigator.appName;
var browserVer = parseInt ( navigator.appVersion );
var version = "n2";

var flyStarted = false;
var enter_on0;
var enter_on1;
var enter_on2;
var enter_on3;
var enter_off;
var fly_on;
var fly_off;
var aktivFly2;
var aktivFly3;

if ( browserName == "Netscape" && browserVer >= 3 ) version = "n3";
if ( browserName == "Microsoft Internet Explorer" && browserVer >=4 ) version = "e4";
if ( version == "n3" || version == "e4" )
{
        enter_on0 = new Image ( 311, 249 );
        enter_on0.src = "graphics/enter1.gif";
		enter_on1 = new Image ( 311, 249 );
        enter_on1.src = "graphics/enter1.gif";
        enter_on2 = new Image ( 311, 249 );
        enter_on2.src = "graphics/enter2.gif";
        enter_on3 = new Image ( 311, 249 );
        enter_on3.src = "graphics/enter3.gif";
        enter_off = new Image ( 311, 249 );
        enter_off.src = "graphics/enter.gif";
        fly_on = new Image ( 39, 52 );
        fly_on.src = "graphics/fly_blink.gif";
        fly_off = new Image ( 39, 52 );
        fly_off.src = "graphics/fly_off.gif";
}
function button_on( imgName )
{
        if ( version == "n3" || version == "e4" )
        {
				var randomNr = randomToN(3);
                var butOn = eval ( imgName + "_on"+randomNr+".src" );
                document.getElementById(imgName+"Image").src = butOn;
				
        }
}
function button_off( imgName )
{
        if ( version == "n3" || version == "e4" )
        {
                var butOff = eval ( imgName + "_off.src" );
                document.getElementById(imgName+"Image").src = butOff;
        }
}
function button_on2( imgName )
{
        if ( version == "n3" || version == "e4" )
        {
                var butOn = eval ( imgName + "_on.src" );
                document.getElementById(imgName+"Image").src = butOn;
		}
}

function randomToN(maxVal,floatVal)
{
   var randVal = Math.random()*maxVal;
   return typeof floatVal=='undefined'?Math.round(randVal):randVal.toFixed(floatVal);
}

function startToFly() {

	if (flyStarted) { 
		flyStarted = false;
		//window.clearInterval(aktivFly2);
		//window.clearInterval(aktivFly3);
		doneFlying();
	}
	else { 
		flyStarted = true;

		
		document.getElementById("fly").style.visibility = "hidden";
		document.getElementById("wrapper3").style.visibility = "hidden";
		document.getElementById("fly_track").style.visibility = "hidden";
		initFly();
	}

}
function startBlink() {

	aktivFly2 = window.setInterval("button_on2('fly');", 800);
	window.setTimeout("aktivFly3 = window.setInterval(\"button_off('fly');\", 800)", 600);

}
// -->