var score = 0;

function vraag(x,y) {			
						
	for (i = 0; i < 15; i++) {
		
		document.getElementById('vraag_' + i).style.display = "none";
	
	}
	
	document.getElementById('vraag_' + x).style.display = "block";	
				
	if (document.getElementById('man').checked) {								
			 		
			if (y == 'A') { score += 1; }
			if (y == 'B') { score += 3; }
			if (y == 'C') { score -= 5; }
			if (y == 'X') { score += 0; }						
	
	}
	
	if (document.getElementById('vrouw').checked) {
		
		
			if (y == 'A') { score += 1; }
			if (y == 'B') { score += 3; }
			if (y == 'C') { score -= 5; }
			if (y == 'X') { score += 0; }
		
	
	}	
	
	if (x == 13) {
				
		document.forms['nieuwsbrief'].elements['score'].value = score;		
	
	}
	
	if (x == 14) {
			
		document.getElementById('eindscore').innerHTML = score;
		
	
	}	
				
}