// Jawaban
function check() {
	// menginput jawaban peserta
	jawaban_peserta = new Array(10);
	for (var i=0 ; i<4; i++) {
		if (document.tes_form.soal1[i].checked) {// ngecek jawaban soal 1
			jawaban_peserta[0] = document.tes_form.soal1[i].value;			
		}
		if (document.tes_form.soal2[i].checked) {// ngecek jawaban soal2 dst...
			jawaban_peserta[1] = document.tes_form.soal2[i].value;			
		}
		if (document.tes_form.soal3[i].checked) {// ngecek jawaban soal2 dst...
			jawaban_peserta[2] = document.tes_form.soal3[i].value;			
		}
		if (document.tes_form.soal4[i].checked) {// ngecek jawaban soal2 dst...
			jawaban_peserta[3] = document.tes_form.soal4[i].value;			
		}
		if (document.tes_form.soal5[i].checked) {// ngecek jawaban soal2 dst...
			jawaban_peserta[4] = document.tes_form.soal5[i].value;			
		}
		if (document.tes_form.soal6[i].checked) {// ngecek jawaban soal2 dst...
			jawaban_peserta[5] = document.tes_form.soal6[i].value;			
		}
		if (document.tes_form.soal7[i].checked) {// ngecek jawaban soal2 dst...
			jawaban_peserta[6] = document.tes_form.soal7[i].value;			
		}
		if (document.tes_form.soal8[i].checked) {// ngecek jawaban soal2 dst...
			jawaban_peserta[7] = document.tes_form.soal8[i].value;			
		}
		if (document.tes_form.soal9[i].checked) {// ngecek jawaban soal2 dst...
			jawaban_peserta[8] = document.tes_form.soal9[i].value;			
		}
		if (document.tes_form.soal10[i].checked) {// ngecek jawaban soal2 dst...
			jawaban_peserta[9] = document.tes_form.soal10[i].value;			
		}
				
	}	
	
	// jawaban soal
	jawaban_soal = new Array("D","A","C","B","D","B","B","C","B","D");
	for (var i = 0 ; i<1 ; i++) { //mengkoversi ke string
		jawaban_soal[i];
	}
	
	// proses penilaian
	poin = new Array(10);
	for (var i = 0 ; i <= 10 ; i++) {
		if (jawaban_peserta[i] == undefined) { // jika tidak dijawab
			poin[i] = 0;
		}
		else if (jawaban_peserta[i] == jawaban_soal[i]) { // jika jawaban benar
			poin[i] = 4; 
		}
		else { // jika jawaban salah
			poin[i] = -1;
		}
	}
		
	total_poin = poin[0]+poin[1]+poin[2]+poin[3]+poin[4]+poin[5]+poin[6]+poin[7]+poin[8]+poin[9];
	nilai = total_poin; //nilai maksimal = 100 (skala 100)
	alert("Nilai Anda = "+nilai);
	
}