var act = "";
boff = new Image (); 
boff.src = "../../../grafik/m1_off_2.gif";
bon = new Image (); 
bon.src = "../../../grafik/m1_on.gif";
		
function mover(imgName) 
{
	if (act != imgName)
		document [imgName].src = bon.src;
}

function mout(imgName) 
{
	if (act != imgName)
		document [imgName].src = boff.src;
}

function mclick(imgName) 
{
	if (act != "")
		document [act].src = boff.src;
	document [imgName].src = bon.src;
	act = imgName;
}