function open_online_umfrage() {
	MM_showHideLayers('layerad','','hide');
	mywin = window.open("http://www.espumisan.de/onlineumfrage.php", 'OnlineUmfrage', 'resizable,scrollbars,width=800,height=400,left=20,top=20');		
}

// banner
function MM_findObj(n, d) { //v4.0
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
	d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && document.getElementById) x=document.getElementById(n); return x;
}

function hideLayerAd() {
	document.getElementById("layerad").style.visibility = "hidden";
}

function MM_showHideLayers() { //v6.0
  var i,p,vMM_showHideLayers,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
	if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
	obj.visibility=v; }
}