if (navigator.appVersion.indexOf("2.") != -1){
	check = false;
}
if ((navigator.appVersion.indexOf("3.") != -1) && (navigator.appName.indexOf("Explorer") != -1)){
	check = false;
}else{
	check = true;
}
if (check == true){
	image1 = new Image();
	image1.src = "../img/rooms-andreas-off.jpg";
	image1on = new Image();
	image1on.src = "../img/rooms-andreas-on.jpg";

	image2 = new Image();
	image2.src = "../img/rooms-conte-off.jpg";
	image2on = new Image();
	image2on.src = "../img/rooms-conte-on.jpg";

	image3 = new Image();
	image3.src = "../img/rooms-oswald-off.jpg";
	image3on = new Image();
	image3on.src = "../img/rooms-oswald-on.jpg";

	image4 = new Image();
	image4.src = "../img/rooms-margarethe-off.jpg";
	image4on = new Image();
	image4on.src = "../img/rooms-margarethe-on.jpg";
}

imageStay = ""

function imageon(name){
	if (imageStay != name){
		document[name].src = eval(name + "on.src");
	}
}

function imageoff(name){
	if (imageStay != name){
		document[name].src = eval(name + ".src");
	}
}

function on(name){
	if (check == true){
		imageon(name);
	}
}

function off(name){
	if (check == true){
		imageoff(name);
	}
}