function divtoggle(element)
{
	var bild1 = "/bilder/pfeil_oben.gif";
	var bild2 = "/bilder/pfeil_unten.gif";

	if (document.getElementById('kat_'+element).style.display == "none")
	{
		document.getElementById('kat_'+element).style.display = "inline";
		document.getElementById('rub_'+element).innerHTML = '<img src="'+bild1+'" border="0" />';
	}
	else
	{
		document.getElementById('kat_'+element).style.display = "none";
		document.getElementById('rub_'+element).innerHTML = '<img src="'+bild2+'" border="0" />';
	}

	return false;
}