var dhtml = 'nicht' ;

if (document.layers) dhtml = "NN";
if (document.getElementById) dhtml = "IE";  // bei nn5 und ie5


function mover(object, farbe, div)
	{
		if (dhtml == 'IE')
			{
				eval('document.getElementById(object).style.backgroundColor = "' + farbe + '"') ;
			}
	}

function mout(object, farbe, div)
	{
		if (dhtml == 'IE')
			{
				eval('document.getElementById(object).style.backgroundColor = "' + farbe + '"') ;
			}
	}

function mover_navi(object)
	{
		if (dhtml == 'IE')
			{
				var pic = "arrow" + object.slice(object.length-2);
				mover_pic(pic);
			}
	}

function mout_navi(object)
	{
		if (dhtml == 'IE')
			{
				var pic = "arrow" + object.slice(object.length-2);
				mout_pic(pic);
			}
	}

function mover_pic(imgName)
{
	imgOn = eval(imgName + "on.src");

	if(dhtml == "NN")
		document[imgName].src = imgOn;
	else
		document.images[imgName].src = imgOn;
}

function mout_pic(imgName)
{
	imgOff = eval(imgName + "off.src");
   	if(dhtml == "NN")
		document[imgName].src = imgOff;
	else
		document.images[imgName].src = imgOff;
}

function mover_pic_index(imgName, linkname)
{
	imgOn = eval(imgName + "on.src");

	if(dhtml == "NN")
		document[imgName + linkname].src = imgOn;
	else
		document.images[imgName + linkname].src = imgOn;
}

function mout_pic_index(imgName, linkname)
{
	imgOff = eval(imgName + "off.src");

   	if(dhtml == "NN")
		document[imgName + linkname].src = imgOff;
	else
		document.images[imgName + linkname].src = imgOff;
}

function map_mover_pic(map,imgName)
{
	imgOn = eval(imgName + "on.src");

	if(dhtml == "NN")
		document[map].src = imgOn;
	else
		document.images[map].src = imgOn;
}

function map_mout_pic(map,imgName)
{
	imgOff = eval(imgName + "off.src");
   	if(dhtml == "NN")
		document[map].src = imgOff;
	else
		document.images[map].src = imgOff;
}

function change_pic(img_obj_name,imgsrc)

	{
		if(dhtml == "NN")
			document[img_obj_name].src = imgsrc;
		else
			document.images[img_obj_name].src = imgsrc;
			
	}