function form_checkFields() {
	d=document.form;
	if (d.nama.value=='') {alert('Anda belum mengisi nama!'); return false;}
	if (d.email.value=='') {alert('Anda belum mengisi email!'); return false;}
	if (
	    d.email.value!='' && (
	      d.email.value.indexOf(".") == -1 ||
	      d.email.value.indexOf("@") == -1
	    )
	) {alert('E-mail tidak valid!'); return false;}	
	if (d.telepon.value=='') {alert('Anda belum mengisi handphone!'); return false;}	
	if (d.bank.value=='0') {alert('Anda belum memilih bank!'); return false;}
	if (d.rekening.value=='') {alert('Anda belum mengisi nomor rekening!'); return false;}	
	if (d.situs.value=='0') {alert('Anda belum memilih permainan!'); return false;}
	return true;
	}
function form_periksaFields() {
	d=document.hubungi;
	if (d.nama.value=='') {alert('Anda belum mengisi nama!'); return false;}
	if (d.email.value=='') {alert('Anda belum mengisi email!'); return false;}
	if (
	    d.email.value!='' && (
	      d.email.value.indexOf(".") == -1 ||
	      d.email.value.indexOf("@") == -1
	    )
	) {alert('E-mail tidak valid!'); return false;}		
	if (d.pesan.value=='') {alert('Anda belum mengisi pesan!'); return false;}
	return true;
	}