function setRegBez(kreisverband){
	var selectRegBez=document.getElementById('RegBez');	
	var selectedRegBez=selectRegBez.options[selectRegBez.selectedIndex].value;
	if (selectedRegBez=='0'){
		HTML_AJAX.replace('divkreisverband','/ajax/kreisverband.php?RegBez='+selectedRegBez);
	}else{
		HTML_AJAX.replace('divkreisverband','/ajax/kreisverband.php?RegBez='+selectedRegBez+"&kreisverband="+kreisverband);
	}
}