if (document.images) {
	einson			= new Image();
	einson.src	= "startpics/nav1_02.gif";
	zweion			= new Image();
	zweion.src	= "startpics/nav2_02.gif";
	dreion			= new Image();
	dreion.src		= "startpics/nav3_02.gif";
	vieron			= new Image();
	vieron.src		= "startpics/nav4_02.gif";
	fuenfon		= new Image();
	fuenfon.src	= "startpics/nav5_02.gif";
	sechson		= new Image();
	sechson.src	= "startpics/nav6_02.gif";
	siebenon		= new Image();
	siebenon.src	= "startpics/nav7_02.gif";
	achton			= new Image();
	achton.src	= "startpics/nav8_02.gif";



	einsoff			= new Image();
	einsoff.src	= "startpics/nav1_01.gif";
	zweioff			= new Image();
	zweioff.src	= "startpics/nav2_01.gif";
	dreioff			= new Image();
	dreioff.src		= "startpics/nav3_01.gif";
	vieroff			= new Image();
	vieroff.src		= "startpics/nav4_01.gif";
	fuenfoff		= new Image();
	fuenfoff.src	= "startpics/nav5_01.gif";
	sechsoff		= new Image();
	sechsoff.src	= "startpics/nav6_01.gif";
	siebenoff		= new Image();
	siebenoff.src	= "startpics/nav7_01.gif";
	achtoff			= new Image();
	achtoff.src	= "startpics/nav8_01.gif";


	
}

function imgOn(imgName) {
  if (document.images) {
    document[imgName].src = eval(imgName + "on.src");
  }
}
function imgOff(imgName) {
  if (document.images) {
    document[imgName].src = eval(imgName + "off.src");
  }
}