function chkFormular()
  {
   if(document.Formular.name.value == "")
    {
     alert("Please insert your name!");
     document.Formular.name.focus();
     return false;
    }
	else if (document.Formular.name.value.charAt(0) == " "){
   alert('You just put blanks in the name field. Please insert your name!');
    document.Formular.name.focus();
	return false;
   }
	 if(document.Formular.vorname.value == "")
    {
     alert("Please insert your first name!");
     document.Formular.vorname.focus();
     return false;
    }
	else if (document.Formular.vorname.value.charAt(0) == " "){
   alert('You just put blanks in the field first name. Please insert your first name!');
    document.Formular.vorname.focus();
	return false;
	}
  
 
 
   if(document.Formular.adresse.value == "")
    {
     alert("Please insert your address!");
     document.Formular.adresse.focus();
     return false;
    }
   	 else if (document.Formular.adresse.value.charAt(0) == " "){
   alert('You just put blanks in the field!');
    document.Formular.adresse.focus();
	return false; 
  }
 if(document.Formular.plz.value == "")
    {
     alert("Please insert your Post code!");
     document.Formular.plz.focus();
     return false;
    } 
	   else if (document.Formular.plz.value.charAt(0) == " "){
   alert('You just put blanks in the field!');
    document.Formular.plz.focus();
	return false; 
  }
   if(document.Formular.ort.value == "")
    {
     alert("Please insert the name of your town");
     document.Formular.ort.focus();
     return false;
    } 
	   else if (document.Formular.ort.value.charAt(0) == " "){
   alert('You just put blanks in the field!!');
    document.Formular.ort.focus();
	return false; 
  }
  if(document.Formular.tel.value == "")
    {
     alert("Please insert your teephone number!");
     document.Formular.tel.focus();
     return false;
    }
	 var chkZ = 1;
  for(i=0;i<document.Formular.tel.value.length;++i)
     if(document.Formular.tel.value.charAt(i) < "0"
     || document.Formular.tel.value.charAt(i) > "9")
       chkZ = -1;
   if(chkZ == -1)
   {
     alert(" Please do not use blanks!");
     document.Formular.tel.focus();
     return false;
    }

  
 
 

  if(document.Formular.MailFrom.value == "")
    {
     alert("Please insert your e-mail address!");
     document.Formular.MailFrom.focus();
     return false;
    }
if (document.Formular.MailFrom.value.charAt(0) == " "){
   alert('You have used a blank at the beginning of you e-mail address. Please change it!');
    document.Formular.MailFrom.focus();
	return false;
   }
   else if (document.Formular.MailFrom.value.charAt(document.Formular.MailFrom.value.length-1) == " "){
   alert('You have used one or more blanks at the end of your e-mail address. Please change it');
    document.Formular.MailFrom.focus();return false;
   }
   else if (document.Formular.MailFrom.value.indexOf(" ") !=-1){
   alert('You have used blanks in your e-mail address. Please change it');
   document.Formular.MailFrom.focus();return false;
   }
   if(document.Formular.MailFrom.value.indexOf('@') <1)
    {
     alert(" No e-mail address!");
     document.Formular.MailFrom.focus();
     return false;
	 }
	 else 
	 posAffe=document.Formular.MailFrom.value.indexOf("@");
	 {
	 posPunkt=document.Formular.MailFrom.value.indexOf(".",posAffe+2);
	    if(posPunkt==-1){
		alert(" A point is  missing!");
		 document.Formular.MailFrom.focus();
         return false;
		}
		laenge=document.Formular.MailFrom.value.length;
	        if(posPunkt!=laenge-4 && posPunkt!=laenge-3){
			alert ("Top-level_Domain have 2 oder 3 Characters!");
			 document.Formular.MailFrom.focus();
             return false;
			}
	 }
  if(document.Formular.sonstig.value == "")
    {
     alert("Please insert Your questions and wishes");
     document.Formular.sonstig.focus();
     return false;
    }  
	else if (document.Formular.sonstig.value.charAt(0) == " "){
   alert('You just put blanks in the field!');
    document.Formular.sonstig.focus();
	return false; 
	}	
	
  }