function checkFormDataBusinessNews()
 {
 if(document.form.contentVorname.value == "")  
 	{
   alert("Please fill in your first name!");
   document.form.contentVorname.focus();
   return false;
  }
 if(document.form.contentNachname.value == "")  
 {
   alert("Please fill in your family name!");
   document.form.contentNachname.focus();
   return false;
  }
 if(document.form.contentEmail.value== "")
  {
   alert("Please fill in your email-adress!");
   document.form.contentEmail.focus();
   return false;
   }           
 if(document.form.contentEmail.value.indexOf("@") == -1)
  {
   alert("You filled in an unvalid e-mail address. Please try again.");
   document.form.contentEmail.focus();
   return false;
   }
 return true;
 }