function clearPassword(){
         if (document.formMaker.passwordField.value=="-----") {
             document.formMaker.passwordField.value = "";
             document.formMaker.password1Field.value = "";
         }
}

function fillPassword(){
         if (document.formMaker.passwordField.value=="") {
             document.formMaker.passwordField.value = "-----";
             document.formMaker.password1Field.value = "-----";
         }
}

function validEmail(email){
         var valid = true;
         if (email.length<5) {
             alert("Alamat email tidak boleh kosong!");
             valid = false;
         }
         else {
               var emailPat = /([0-9a-z])@([0-9a-z]).([0-9a-z])/;
               var matchArray = email.match(emailPat);
               if (matchArray == null) {
                   alert("Penulisan email salah!");
                   valid = false;
               }
         }
         return valid;
}

function validateInput(){
         var email = document.formMaker.emailpelangganField;
         var nama = document.formMaker.namapelangganField;
         var alamat = document.formMaker.alamatpelangganField;
         var kota = document.formMaker.kotapelangganField;
         var password = document.formMaker.passwordField;
         var password1 = document.formMaker.password1Field;
         if (!validEmail(email.value)){
             email.focus();
             return false;
         }
         else if (password.value.length<5){
              alert("Panjang Password harus antara 5-15 huruf!");
              password.focus();
              return false;
         }
         else if (password1.value!=password.value){
              alert("Password anda tidak sama dengan pengulangannya!");
              password1.focus();
              return false;
         }
         else if (nama.value.length<2)
         {
              alert("Nama harus diisi dengan minimal 2 karakter!");
              nama.focus();
              return false;
         }
         else if (alamat.value.length<2)
         {
              alert("Alamat harus diisi!");
              alamat.focus();
              return false;
         }
         else if (kota.value.length<2)
         {
              alert("Kota harus diisi!");
              kota.focus();
              return false;
         }
         else
         {
              return true;
         }
}