/* easytoggle.js, by Simon Willison */
addEvent(window, 'load', et_init); // À̺¥Æ® °¨½Ã
var et_toggleElements = [];

/* ÃʱâÈ­ */
function et_init() {
	var i, link, id, target, first;
	first = true;

	for (i = 0; (link = document.links[i]); i++) {
		if (/\btoggle\b/.exec(link.className)) {
			id = link.href.split('#')[1];
			target = document.getElementById(id);
			et_toggleElements[et_toggleElements.length] = target;
			if (first) {
				first = false;
			} else {
				target.style.display = 'none';
			}
			link.onclick = et_toggle;
		}
	}
}

// Åä±ÛÀÏ °æ¿ì µð½ºÇ÷¹ÀÌ º¯°æ
function et_toggle(e) {
	if (typeof e == 'undefined') {
		var e = window.event;
	}

	var source;

	if (typeof e.target != 'undefined') {
		source = e.target;
	} else if (typeof e.srcElement != 'undefined') {
		source = e.srcElement;
	} else {
	return true;
	}

	if (source.nodeType == 3) {
		source = source.parentNode;
	}

	var id = source.href.split('#')[1];
	var elem;

	for (var i = 0; (elem = et_toggleElements[i]); i++) {
		if (elem.id != id) {
			elem.style.display = 'none';
		} else {
			elem.style.display = 'block';
		}
	}
	return false;
}

/* ºê¶ó¿ìÀúº° À̺¥Æ® ó¸®*/
function addEvent(obj, evType, fn){
	if (obj.addEventListener) {
		obj.addEventListener(evType, fn, true);
		return true;
	} else if (obj.attachEvent) {
		var r = obj.attachEvent("on"+evType, fn);
		return r;
	} else {
		return false;
	}
}