function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

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 MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}


function popup(URL,Name,features) { 
  window.open(URL,Name,features);
}

function center_popup(url,name,w,h,scroll){
LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;
TopPosition = (screen.height) ? (screen.height-h)/2 : 0;
settings = 'height='+h+',width='+w+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll+',resizable='
win = window.open(url,name,settings)
if(win.window.focus){win.window.focus();}
}

  function chkFormular() {
  
  if (document.formular.email.value == "") {
    alert("Bitte deine E-Mail-Adresse eingeben!");
    document.formular.email.focus();
    return false;
  }
   else if (document.formular.email.value == "your@email.de") {
    alert("Bitte eine gültige E-Mail-Adresse eingeben!");
    document.formular.email.focus();
    return false;
  }
  else if (document.formular.email.value.indexOf("@") == -1) {
    alert("Deine E-Mail-Adresse ist ungültig!");
    document.formular.email.focus();
    return false;
  }

}

  function enchkFormular() {
  if (document.formular.email.value == "") {
    alert("Input-Field 'E-Mail' has not filled out!");
    document.formular.email.focus();
    return false;
  }
  
   if (document.formular.email.value == "your@email.de") {
    alert("Input-Field 'E-Mail' has not filled out correctly!");
    document.formular.email.focus();
    return false;
  }
  
  if (document.formular.email.value.indexOf("@") == -1) {
    alert("Input-Field 'E-Mail' has not filled out correctly");
    document.formular.email.focus();
    return false;
  }
}

function show(){
document.getElementById("initial").style.visibility = 'visible';
}

function close(){
document.getElementById("initial").style.visibility = 'hidden';
}