yetiRoot = "http://www.yetilab.de/";
	//yetiRoot = "../";

	img1on = new Image;
	img1on.src = yetiRoot+"images/ysax2.gif";
	img1off = new Image;
	img1off.src = yetiRoot+"images/ysax.gif";
	img2on = new Image;
	img2on.src = yetiRoot+"images/yspider2.gif";
    img2off = new Image;
	img2off.src = yetiRoot+"images/yspider.gif"; 
    img3on = new Image;
    img3on.src = yetiRoot+"images/ylink2.gif";
    img3off = new Image;
    img3off.src = yetiRoot+"images/ylink.gif";
    img4on = new Image;
    img4on.src = yetiRoot+"images/yradio2.gif";
    img4off = new Image;
    img4off.src = yetiRoot+"images/yradio.gif";
    img5on = new Image;
    img5on.src = yetiRoot+"images/yhome2.gif";
    img5off = new Image;
    img5off.src = yetiRoot+"images/yhome.gif";	
    img6on = new Image;
    img6on.src = yetiRoot+"images/yjournal2.gif";
    img6off = new Image;
    img6off.src = yetiRoot+"images/yjournal.gif";	
    img7on = new Image;
    img7on.src = yetiRoot+"images/teller2.gif";
    img7off = new Image;
    img7off.src = yetiRoot+"images/teller.gif";	

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