window.onload = initAll;

function initAll() {
	var allQuestions = document.getElementsByTagName("a");
	for (i=0; i<allQuestions.length; i++) {
		if (allQuestions[i].className.indexOf("Q") >-1) {
			allQuestions[i].onclick = toggleAnswer;
			
		}
	}
}

function toggleAnswer() {
	var startAnswerNo = this.href.lastIndexOf("#")+1;
	var stopAnswerNo = this.href.length;
	var thisAnswerNo = this.href.substring(startAnswerNo, stopAnswerNo);
	var thisAnswer = document.getElementById(thisAnswerNo).style;
	thisAnswer.display = (thisAnswer.display == "block") ? "none" : "block";
	return false;
}