function UmfrageSend() {
	var send = null;
	for(i = 1; i < 5; i++){
		if(document.getElementById('antwort'+i)){
		if(document.getElementById('antwort'+i).checked){
			if(send!=null){send+="_"+i;}else{send=i;}
		}}
	}
	if(send!=null){
		DatenExport('umfrage',send,'3');
	}
}

function UmfrageRebuild() {
	fuc = document.getElementById('umfrage_f');
	if(fuc){
		fu = fuc.parentNode;
		fu.removeChild(fuc);
		delete fuc;
  	fui = document.createElement ('img');
  	fui.alt = 'Ergebnis der Umfrage';
  	fui.className = 'gruppe';
  	fui.id = 'umfrage_ergebnis';
	 	fui.name = 'umfrage_ergebnis';
  	fui.src = '/extras/img/umfrage/diagramm_3.png';
  	fu.appendChild(fui);
  	fuc = document.getElementById('umfrage_l');
		if(fuc){with(fuc.style){visibility = 'visible'; fuc.style.display = 'block';}}
	}
}