// show or hidden answer
function sohAnswer(target) {
	var tag = $(target).getParent().getNext();
	if (tag.style.display == "none") {
		tag.style.display = "";
	} else {
		tag.style.display = "none";
		// hidden retuest
		$$('#' + tag.id + ' div.feedback')[0].style.display = "none";
	}
	return false;
}
// show or hidden request
function sohRequest(target) {
	var tag = $(target).getParent().getParent().getNext();
	tag.style.display = "";
}

function init() {
	var url = location.href;
	var paraString = url.substring(url.indexOf("#")+1,url.length);
	if (paraString.length != 0 && url.indexOf("#") > 0) {
		var paraString = paraString.substring(paraString.indexOf("_")+1,url.length);
		$('answer_' + paraString).style.display = "";
	}
}