	<!--
	if (document.images) {
	btn1on = new Image(); btn1on.src = "images/btn1on.jpg";
	btn2on = new Image(); btn2on.src = "images/btn2on.jpg";
	btn3on = new Image(); btn3on.src = "images/btn3on.jpg";
	btn4on = new Image(); btn4on.src = "images/btn4on.jpg";
	btnmon = new Image(); btnmon.src = "images/btnmon.jpg";
	btn5on = new Image(); btn5on.src = "images/btn5on.jpg";
	btn6on = new Image(); btn6on.src = "images/btn6on.jpg";
	btn7on = new Image(); btn7on.src = "images/btn7on.jpg";
	dbtnon = new Image(); dbtnon.src = "images/druck1.jpg";

	btn1off = new Image(); btn1off.src = "images/btn1off.jpg";
	btn2off = new Image(); btn2off.src = "images/btn2off.jpg";
	btn3off = new Image(); btn3off.src = "images/btn3off.jpg";
	btn4off = new Image(); btn4off.src = "images/btn4off.jpg";
	btnmoff = new Image(); btnmoff.src = "images/btnmoff.jpg";
	btn5off = new Image(); btn5off.src = "images/btn5off.jpg";
	btn6off = new Image(); btn6off.src = "images/btn6off.jpg";
	btn7off = new Image(); btn7off.src = "images/btn7off.jpg";
	dbtnoff = new Image(); dbtnoff.src = "images/druck0.jpg";

	btn1sel = new Image(); btn1sel.src = "images/btn1sel.jpg";
	btn2sel = new Image(); btn2sel.src = "images/btn2sel.jpg";
	btn3sel = new Image(); btn3sel.src = "images/btn3sel.jpg";
	btn4sel = new Image(); btn4sel.src = "images/btn4sel.jpg";
	btnmsel = new Image(); btnmsel.src = "images/btnmsel.jpg";
	btn5sel = new Image(); btn5sel.src = "images/btn5sel.jpg";
	btn6sel = new Image(); btn6sel.src = "images/btn6sel.jpg";
	btn7sel = new Image(); btn7sel.src = "images/btn7sel.jpg";
	dbtnoff = new Image(); dbtnoff.src = "images/druck0.jpg";

	}

	selectedBtn = "btn99";

	function sel(docu, imgName) {
		if (selectedBtn != imgName) {
			if (document.images) {
				docu[selectedBtn].src = eval(selectedBtn + "off.src");
				docu[imgName].src = eval(imgName + "sel.src");
				selectedBtn = imgName;
			}
		}
	}

	function imgOn(docu, imgName) {
		if (selectedBtn != imgName) {
			if (document.images) {
				docu[imgName].src = eval(imgName + "on.src");
			}
		}
	}

	function imgOff(docu, imgName) {
		if (selectedBtn != imgName) {
			if (document.images) {
				docu[imgName].src = eval(imgName + "off.src");
			}
		}
	}

	//-->