b1off = new Image();
b1off.src = "./navi/her1.gif";
b1on = new Image();
b1on.src = "./navi/her2.gif";

b2off = new Image();
b2off.src = "./navi/wr1.gif";
b2on = new Image();
b2on.src = "./navi/wr2.gif";

b3off = new Image();
b3off.src = "./navi/wrt1.gif";
b3on = new Image();
b3on.src = "./navi/wrt2.gif";

b4off = new Image();
b4off.src = "./navi/kipp1.gif";
b4on = new Image();
b4on.src = "./navi/kipp2.gif";

b5off = new Image();
b5off.src = "./navi/ein1.gif";
b5on = new Image();
b5on.src = "./navi/ein2.gif";

b6off = new Image();
b6off.src = "./navi/vor1.gif";
b6on = new Image();
b6on.src = "./navi/vor2.gif";

b7off = new Image();
b7off.src = "./navi/anw1.gif";
b7on = new Image();
b7on.src = "./navi/anw2.gif";

b8off = new Image();
b8off.src = "./navi/dbl1.gif";
b8on = new Image();
b8on.src = "./navi/dbl2.gif";

b9off = new Image();
b9off.src = "./navi/kon1.gif";
b9on = new Image();
b9on.src = "./navi/kon2.gif";

b10off = new Image();
b10off.src = "./navi/hom1.gif";
b10on = new Image();
b10on.src = "./navi/hom2.gif";

a=99;

function changeImg(imgNr,imgName)
{
	if(a!=imgNr)
	{
        	parent.frames[0].document.images[imgNr].src = imgName.src;
	}
}

function setPoint(imgNr,imgName)
{
	parent.frames[0].document.images[1].src = b1off.src;
	parent.frames[0].document.images[2].src = b2off.src;
	parent.frames[0].document.images[3].src = b3off.src;
	parent.frames[0].document.images[4].src = b4off.src;
	parent.frames[0].document.images[5].src = b5off.src;
	parent.frames[0].document.images[6].src = b6off.src;
	parent.frames[0].document.images[7].src = b7off.src;
	parent.frames[0].document.images[8].src = b8off.src;
	parent.frames[0].document.images[9].src = b9off.src;
	parent.frames[0].document.images[10].src = b10off.src;
	parent.frames[0].document.images[imgNr].src = imgName.src;
	a=imgNr;
}