// JavaScript Document
function dada ( form )
{
		
     if (form.nama.value == "") {
        alert( "Isi nama Anda" );
        form.nama.focus();
        return false ;
    }
	   if (form.alamat.value == "") {
        alert( "Isi alamat" );
        form.alamat.focus();
        return false ;
    }
	 if (form.pekerjaan.value == "") {
        alert( "Isi pekerjaan" );
        form.pekerjaan.focus();
        return false ;
    }
	
	if (form.telepon.value == "") {
        alert( "Isi No. telepon Rumah" );
        form.telepon.focus();
        return false ;
    }
	if (form.kantor.value == "") {
        alert( "Isi No. telepon Kantor" );
        form.kantor.focus();
        return false ;
    }
	if (form.hp.value == "") {
        alert( "Isi No. HP" );
        form.hp.focus();
        return false ;
    }
	
	 if (form.email.value == "" ||
      form.email.value.indexOf('@') == -1 ||
      form.email.value.indexOf('.') == -1 ||
      form.email.value.length<6) {
        alert( "Isi email Anda dengan benar" );
        form.email.focus();
        return false ;
    }
  return true ;
}