function chkFormular()
      {
       if(document.Formular.Name.value == "")
        {
         alert("Please enter your name");
         document.Formular.Name.focus();
         return false;
        }
        if(document.Formular.Strasse.value == "")
        {
         alert("Please enter your street and number");
         document.Formular.Strasse.focus();
         return false;
        }
       if(document.Formular.Ort.value == "")
        {
         alert("Please entre your place");
         document.Formular.Ort.focus();
         return false;
        }
       if(document.Formular.Telefon.value == "")
        {
         alert("lease enter your phone number");
         document.Formular.Telefon.focus();
         return false;
        }
       if(document.Formular.email.value == "")
        {
         alert("Please enter your Email address");
         document.Formular.email.focus();
         return false;
        }
       if(document.Formular.email.value.indexOf('@') == -1)
        {
         alert("Not a valid Email address!");
         document.Formular.email.focus();
         return false;
        }
      }