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_nbGroup(event, grpName) { //v6.0
  var i,img,nbArr,args=MM_nbGroup.arguments;
  if (event == "init" && args.length > 2) {
    if ((img = MM_findObj(args[2])) != null && !img.MM_init) {
      img.MM_init = true; img.MM_up = args[3]; img.MM_dn = img.src;
      if ((nbArr = document[grpName]) == null) nbArr = document[grpName] = new Array();
      nbArr[nbArr.length] = img;
      for (i=4; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
        if (!img.MM_up) img.MM_up = img.src;
        img.src = img.MM_dn = args[i+1];
        nbArr[nbArr.length] = img;
    } }
  } else if (event == "over") {
    document.MM_nbOver = nbArr = new Array();
    for (i=1; i < args.length-1; i+=3) if ((img = MM_findObj(args[i])) != null) {
      if (!img.MM_up) img.MM_up = img.src;
      img.src = (img.MM_dn && args[i+2]) ? args[i+2] : ((args[i+1])? args[i+1] : img.MM_up);
      nbArr[nbArr.length] = img;
    }
  } else if (event == "out" ) {
    for (i=0; i < document.MM_nbOver.length; i++) {
      img = document.MM_nbOver[i]; img.src = (img.MM_dn) ? img.MM_dn : img.MM_up; }
  } else if (event == "down") {
    nbArr = document[grpName];
    if (nbArr)
      for (i=0; i < nbArr.length; i++) { img=nbArr[i]; img.src = img.MM_up; img.MM_dn = 0; }
    document[grpName] = nbArr = new Array();
    for (i=2; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
      if (!img.MM_up) img.MM_up = img.src;
      img.src = img.MM_dn = (args[i+1])? args[i+1] : img.MM_up;
      nbArr[nbArr.length] = img;
  } }
}

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

function surfto(form) {
        var myindex=menu_form.menu.selectedIndex
        if (menu_form.menu.options[myindex].value != "0") {
       	 location=menu_form.menu.options[myindex].value;}
}

function EMail(s){
  var a = false;
  var res = false;
  if(typeof(RegExp) == 'function')
    {
    var b = new RegExp('abc');
    if(b.test('abc') == true){a = true;}
    }

  if(a == true)
    {
    reg = new RegExp('^([a-zA-Z0-9\\-\\.\\_]+)'+
                     '(\\@)([a-zA-Z0-9\\-\\.]+)'+
                     '(\\.)([a-zA-Z]{2,4})$');
    res = (reg.test(s));
    }
  else
    {
    res = (s.search('@') >= 1 &&
           s.lastIndexOf('.') > s.search('@') &&
           s.lastIndexOf('.') >= s.length-5)
    }
  return(res);
}

function pruefen()
{
	if(document.Formular.Vorname.value == ""){
		alert("Bitte einen Vornamen eingeben!");
		document.Formular.Vorname.focus();
		return false;
	}
	if(document.Formular.Name.value == ""){
		alert("Bitte einen Nachnamen eingeben!");
		document.Formular.Name.focus();
		return false;
	}
	if(document.Formular.Strass_Hausnummer.value == ""){
		alert("Bitte eine Straße eingeben!");
		document.Formular.Strass_Hausnummer.focus();
		return false;
	}
	if(document.Formular.PLZ.value == ""){
		alert("Bitte eine Postleitzahl eingeben!");
		document.Formular.PLZ.focus();
		return false;
	}
	if(document.Formular.Ort.value == ""){
		alert("Bitte einen Ort eingeben!");
		document.Formular.Ort.focus();
		return false;
	}
	if(document.Formular.emailadresse.value){
		var rueckgabe;
		rueckgabe = EMail(document.Formular.emailadresse.value);

		if(rueckgabe==false){
			alert("Bitte eine korrekte E-Mailadresse eingeben!");
			document.Formular.emailadresse.focus();
			return false;
		}
	}
}

function suchfeld_loeschen(){
	document.schnellsuche.suchfeld.value = "";
}

function selectfeld_ausblenden(){
	if(navigator.userAgent.search(/MSIE 6.0/)>0){
		for (var i = 0; i < document.getElementsByTagName("select").length; i++) {
		document.getElementsByTagName("select")[i].style.visibility = "hidden";
		  }
	}
}
function selectfeld_einblenden(){
  for (var i = 0; i < document.getElementsByTagName("select").length; i++) {
	document.getElementsByTagName("select")[i].style.visibility = "visible";
  }
}