// Application specific Javascript functions

  function checkForm(f)
  {
    //  alert ("Here in checkForm");
    //  alert ("Name=" + f.name);

    /*   To test the chosen option in a Select statement:
              var opt=f.selectname.selectedIndex;
              var field=f.selectname.options[opt].text;
              (Can use value instead of text if the option statements have a value clause)
    */
    if (f.buttonPressed.value=="Cancel") {return true;}
    if (f.buttonPressed.value=="Delete")
    {
      if (confirm("Are you really sure you want to delete this record?"))
      {return true;}
      else {return false;}
    }
    var errMsg="";
    var confirmMessage ="";
    switch (f.name)
    {
      case "contactForm":
        if (empty (f.contactName.value))
        {
           if (errMsg=="")  {f.contactName.focus();}
           errMsg+="Please enter your Name\n";
        }

        /*
        if (empty (f.company.value))
        {
           if (errMsg=="")  {f.company.focus();}
           errMsg+="Please enter your Company Name\n";
        }


        // if (empty (f.address1.value) && empty (f.address2.value) && empty (f.address3.value))
        if (empty (f.address1.value))
        {
           if (errMsg=="")  {f.address1.focus();}
           errMsg+="Please enter your Address\n";
        }

        if (empty (f.postcode.value))
        {
           if (errMsg=="")  {f.postcode.focus();}
           errMsg+="Please enter your Postcode\n";
        }
        */
        if (empty (f.phone.value) && empty (f.email.value))
        {
           if (errMsg=="")  {f.phone.focus();}
           errMsg+="Please enter either your Telephone number or Email Address\n";
        }
        else
        {
          if (!empty (f.email.value) && !checkEmail (f.email.value))
          {
            if (errMsg=="")  {f.email.focus();}
            errMsg+="That Email address is not valid\n";
          }
        }
        /*
        if (empty (f.comments.value))
        {
           if (errMsg=="")  {f.comments.focus();}
           errMsg+="Please enter details of your Enquiry\n";
        }

        if (empty (f.spare01.value))
        {
           if (errMsg=="")  {f.spare01.focus();}
           errMsg+="Please enter your spare01\n";
        }

        if (empty (f.spare02.value))
        {
           if (errMsg=="")  {f.spare02.focus();}
           errMsg+="Please enter your spare02\n";
        }

        if (empty (f.spare03.value))
        {
           if (errMsg=="")  {f.spare03.focus();}
           errMsg+="Please enter your spare03\n";
        }

        if (empty (f.spare04.value))
        {
           if (errMsg=="")  {f.spare04.focus();}
           errMsg+="Please enter your spare04\n";
        }

        if (empty (f.spare05.value))
        {
           if (errMsg=="")  {f.spare05.focus();}
           errMsg+="Please enter your spare05\n";
        }

        if (empty (f.spare06.value))
        {
           if (errMsg=="")  {f.spare06.focus();}
           errMsg+="Please enter your spare06\n";
        }

        if (empty (f.spare07.value))
        {
           if (errMsg=="")  {f.spare07.focus();}
           errMsg+="Please enter your spare07\n";
        }

        if (empty (f.spare08.value))
        {
           if (errMsg=="")  {f.spare08.focus();}
           errMsg+="Please enter your spare08\n";
        }

        if (empty (f.spare09.value))
        {
           if (errMsg=="")  {f.spare09.focus();}
           errMsg+="Please enter your spare09\n";
        }

        if (empty (f.spare10.value))
        {
           if (errMsg=="")  {f.spare10.focus();}
           errMsg+="Please enter your spare10\n";
        }

        if (empty (f.spare11.value))
        {
           if (errMsg=="")  {f.spare11.focus();}
           errMsg+="Please enter your spare11\n";
        }

        if (empty (f.spare12.value))
        {
           if (errMsg=="")  {f.spare12.focus();}
           errMsg+="Please enter your spare12\n";
        }

        if (empty (f.spare13.value))
        {
           if (errMsg=="")  {f.spare13.focus();}
           errMsg+="Please enter your spare13\n";
        }

        if (empty (f.spare14.value))
        {
           if (errMsg=="")  {f.spare14.focus();}
           errMsg+="Please enter your spare14\n";
        }

        */
      break;


      default:
      return true;
    }

    if (errMsg!="")
    {
      alert(errMsg);
      return false;
    }
    else
    {
       if (confirmMessage!="")
       {
         if (confirm(confirmMessage)) {return true;}
         else {return false;}
       }
       else {return true;}
    }
  }