function check_input(form) {

	pass	= true;

	if (form.no_ktp.value == "") {
		pass	= false;
		msg	= "Nomor Identitas/KTP/SIM";
		form.no_ktp.focus();
	}
	else if (form.nama.value == "") {
		pass	= false;
		msg	= "Nama Lengkap Calon Peserta";
		form.nama.focus();
	}

	else if (form.alamat.value == "") {
		pass	= false;
		msg	= "Alamat Surat";
		form.alamat.focus();
	}
	else if (form.kota_alamat.value == "") {
		pass	= false;
		msg	= "Kota";
		form.kota_alamat.focus();
	}
	else if (form.tempat_lahir.value == "") {
		pass	= false;
		msg	= "Kab/Kodya - Tempat Lahir";
		form.tempat_lahir.focus();
	}
	else if (form.thn_lahir.value == "") {
		pass	= false;
		msg	= "Tahun Lahir";
		form.thn_lahir.focus();
	}	
	else if (form.asal_sekolah.value == "") {
		pass	= false;
		msg	= "Nama SMU Asal";
		form.asal_sekolah.focus();
	}
	else if (form.kota_sekolah.value == "") {
		pass	= false;
		msg	= "Kota Tempat Sekolah";
		form.kota_sekolah.focus();
	}
//	else if (form.jnem.value == "") {
//		pass	= false;
//		msg	= "Jumlah NEM";
//		form.jnem.focus();
//	}
	else if (form.nama_ayah.value == "") {
		pass	= false;
		msg	= "Nama Ayah";
		form.nama_ayah.focus();
	}
	else if (form.nama_ibu.value == "") {
		pass	= false;
		msg	= "Nama Ibu";
		form.nama_ibu.focus();
	}
	else if (form.alamat_ortu.value == "") {
		pass	= false;
		msg	= "Alamat Orangtua";
		form.alamat_ortu.focus();
	}
	else if (form.nama_bank.value == "") {
		pass	= false;
		msg	= "Biaya seleksi disetorkan melalui Bank";
		form.nama_bank.focus();
	}
	else if (form.thn_setor.value == "") {
		pass	= false;
		msg	= "Tahun Penyetoran";
		form.thn_setor.focus();
	}
	else if (form.no_slip.value == "") {
		pass	= false;
		msg	= "No Slip Setoran Bank";
		form.no_slip.focus();
	}
	else if (form.nama_penyetor.value == "") {
		pass	= false;
		msg	= "Nama Penyetor";
		form.nama_penyetor.focus();
	}
	else if (form.alamat_penyetor.value == "") {
		pass	= false;
		msg	= "Alamat Penyetor";
		form.alamat_penyetor.focus();
	}
	else if (form.info.value == "") {
		pass	= false;
		msg	= "Pertama kali mendapat informasi tentang ITHB dari";
		form.info.focus();
	}
	

	if (pass) {
		form.submit();
	}
	else {
		alert("Anda belum mengisi data: " + msg + " dengan benar");	
	}
	
	return (pass);
}

function isEmail(str) {
	if ((str == "") || (str.indexOf('@', 0) == -1) || (str.indexOf('.') == -1)) {
		return false
	}
	else {
		return true
	}
}