function MM_findObj(n, d) { //v4.01
  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 && d.getElementById) x=d.getElementById(n); return x;
}

function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function MM_chkForm() {
	formatmail = /^\w[\w|\.|\-]+@\w[\w|\.|\-]+\.[a-zA-Z]{2,4}$/;
	fehler = "";
	if (document.formular.nachname.value == "") {
		fehler = fehler + "- Name\n";
 	}
	if (document.formular.adresse.value == "") {
		fehler = fehler + "- Adresse\n";
	}
	if (document.formular.plz.value == "" || isNaN(document.formular.plz.value)) {
		fehler = fehler + "- Postleitzahl\n";
	}
	if (document.formular.ort.value == "") {
		fehler = fehler + "- Ort\n";
	}
	if (!formatmail.test(document.formular.email.value)) {
		fehler = fehler + "- E-Mail-Adresse\n";
	}
	if (fehler) {
		alert('Bitte folgende Felder korrigieren oder ergänzen:\n'+fehler);
		document.formular.nachname.focus();
	}
	document.MM_returnValue = (fehler == '');
}