function validate_form(commentform, jankenNumber) {
	/*
	var isChecked = false;
	for(var i = 0; i < commentform.janken.length; i++) {
		if(commentform.janken[i].checked) {
			isChecked = true;
			var answer = commentform.janken[i].value;
		}
	}
	if(!isChecked) {
		alert("You must choose an answer to the rock, paper, scissors question");
		return false;
	}
	var isCorrect = false;
	
	switch (jankenNumber) {
		case 0:
			isCorrect = (answer=="scissors");
			break;
		case 1:
			isCorrect = (answer=="paper");
			break;
		case 2:
			isCorrect = (answer=="rock");
			break;
		case 3:
			isCorrect = (answer=="rock");
			break;
		case 4:
			isCorrect = (answer=="scissors");
			break;
		case 5:
			isCorrect = (answer=="paper");
			break;
	}
	if(!isCorrect) {
		alert("Your answer to the rock, paper, scissors question is wrong");
		return false;
	} else {
		return true;
	}
	*/
}