if (document.images) { 
img1on = new Image();
img1on.src="../global/images/d1_nof.gif";
img2on=new Image();
img2on.src="../global/images/d2_nof.gif";
img3on=new Image();
img3on.src="../global/images/d3_nof.gif";
img4on = new Image();
img4on.src="../global/images/d4_nof.gif";
img5on=new Image();
img5on.src="../global/images/d5_nof.gif";
img6on=new Image();
img6on.src="../global/images/d6_nof.gif";
img7on=new Image();
img7on.src="../global/images/dx_nof.gif";
img8on=new Image();
img8on.src="../global/images/da_nof.gif";
img9on=new Image();
img9on.src="../global/images/nof_im.gif";

img1off = new Image();
img1off.src="../global/images/1_non.gif";
img2off=new Image();
img2off.src="../global/images/2_non.gif";
img3off=new Image();
img3off.src="../global/images/3_non.gif";
img4off = new Image();
img4off.src="../global/images/4_non.gif";
img5off=new Image();
img5off.src="../global/images/5_non.gif";
img6off=new Image();
img6off.src="../global/images/6_non.gif";
img7off=new Image();
img7off.src="../global/images/x_non.gif";
img8off=new Image();
img8off.src="../global/images/a_non.gif";
img9off=new Image();
img9off.src="../global/images/non_im.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");
	}
}

function pop_gross(x) {
	window.open(x,"pop_gross","width=537,height=433,directories=no,location=no,menubar=no,scrollbars=yes,status=no,toolbar=no,resizable=no,left=50,top=103,screenx=50,screeny=103")
}

function pop_klein(x) {
	window.open(x,"pop_klein","width=335,height=442,directories=no,location=no,menubar=no,scrollbars=yes,status=no,toolbar=no,resizable=no,left=50,top=100,screenx=50,screeny=100")
}

function pop_web(x) {
	window.open(x,"pop_web","width=800,height=620,directories=yes,location=yes,menubar=yes,scrollbars=yes,status=yes,toolbar=yes,resizable=yes,left=0,top=0,screenx=0,screeny=0")
}