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) { //v3.0
  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); 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 chkFormular()
{
 if(document.Formular.name.value == "")
  {
   alert("Bitte Ihren Namen eingeben!");
   document.Formular.name.focus();
   return false;
  }
 
 if(document.Formular.strasse.value == "")
  {
   alert("Bitte Ihre Adresse eingeben!");
   document.Formular.strasse.focus();
   return false;
  }
 if(document.Formular.plz.value == "")
  {
   alert("Bitte PLZ eingeben!");
   document.Formular.plz.focus();
   return false;
  }
 if(document.Formular.ort.value == "")
  {
   alert("Bitte Ihren Wohnort eingeben!");
   document.Formular.ort.focus();
   return false;
  }
if ((document.Formular.submit_by.value.indexOf('@', 0) == -1) || 
(document.Formular.submit_by.value.indexOf('.', 0) == -1))
  {
   alert("Ihre E_Mail-Adresse fehlt oder ist falsch!");
   document.Formular.submit_by.focus();
   return false;
 }
 }


<!--
if(navigator.appName=="Netscape")
{
input_width=18;
input_widthplz=4;
input_widthort=13;
input_widthtfm=18;
input_widthbem=24;
input_widthanz=3;
}
else
{
input_width=32;
input_widthplz=5;
input_widthort=24;
input_widthtfm=32;
input_widthbem=40;
input_widthanz=3;

}
//-->