var high = 0;

function rollover(welches,an)
{
	if ((document.layers) || (document.all))
	{	
		if (an) { document['rollover'+welches].src = eval("on" + an + ".src"); }
		else { if (high != an ) { document['rollover'+welches].src = eval("off" + an + ".src"); } }
	}
}

function rollover_merken(welches)
{
	if ((high != welches) && (high != 0)) { document['rollover' + high].src = eval("off" + high + ".src"); }
	high = welches;
}