[avdotion]

$(document).ready ( function(){

var score;
var prescore;
var sum;

$(".sub-insert").keyup(function() {
	if ($("#sub1").prop('checked')) {
		sum = sum + 1;
		prescore = prescore + ("#sub-insert-1");
	}
	if ($("#sub2").prop('checked')) {
		sum = sum + 1;
		prescore = prescore + ("#sub-insert-2");
	}
	if ($("#sub3").prop('checked')) {
		sum = sum + 1;
		prescore = prescore + ("#sub-insert-3");
	}
	if ($("#sub4").prop('checked')) {
		sum = sum + 1;
		prescore = prescore + ("#sub-insert-4");
	}

	score = prescore / sum;
    
});
});