function show(id)
{
	if (document.getElementById)
	{
		//document.getElementById(id).style.display="block";
		document.getElementById(id).style.visibility="visible";
	} 
	else if (document.all) 
	{
		//document.all[id].style.display="block";
		document.all[id].style.visibility="visible";
	} 
	else if (document.layers)
	{
		//document.layers[id].display="block";
		document.layers[id].visibility="visible";
	}
}


function hide(id)
{
	if (document.getElementById)
	{
		//document.getElementById(id).style.display="none";
		document.getElementById(id).style.visibility="hidden";
	}
	else if (document.all)
	{
		//document.all[id].style.display="none";
		document.all[id].style.visibility="hidden"
	}
	else if (document.layers)
	{
		//document.layers[id].display="none";
		document.layers[id].visibility="hidden"
	}
}


function aktivbild(bild, name)
{
	window.document.images[name].src=bild;
}

function inaktivbild(bild, name)
{
	window.document.images[name].src=bild;
}