/* Layer Popup - Login, Find ID, Find Password */
function layer_open(obj) {
	if(obj == "login"){
		document.getElementById("pw_find").style.display = "none";
		document.getElementById("id_find").style.display = "none";
	}
	if(obj == "pw_find"){
		document.getElementById("login").style.display = "none";
		document.getElementById("id_find").style.display = "none";
	}
	if(obj == "id_find"){
		document.getElementById("pw_find").style.display = "none";
		document.getElementById("login").style.display = "none";
	}
	document.getElementById(obj).style.display = "";
}
function layer_close(obj) {
	document.getElementById(obj).style.display = "none";
}

/* Current Page Menu Open */
function current_page_open(num) {
	var menu_group = document.getElementById("menu_wrap").getElementsByTagName("h2");
	var submenu_group = document.getElementById("menu_wrap").getElementsByTagName("ol");
	for (i=0 ; i < menu_group.length ; i++ )
	{
		if ( (i+1) == num)
		{
			menu_group[i].className = "";
			submenu_group[i].style.display = "";
		} 
		else {
			menu_group[i].className = "close";
			submenu_group[i].style.display = "none";
			var plus = menu_group[i].getElementsByTagName("img");
			plus[1].setAttribute("src", plus[1].src.replace("_minus.gif","_plus.gif"));
			plus[1].setAttribute("alt", plus[1].alt.replace("메뉴 접기","메뉴 펼치기"));
		}
	}
}

/* Left Menu On/Off */
function left_menu(obj) {
	var menu_group = document.getElementById("menu_wrap").getElementsByTagName("h2");
	var submenu_group = document.getElementById("menu_wrap").getElementsByTagName("ol");
	var img_group = document.getElementById("menu_wrap").getElementsByTagName("img");
	if ( obj == "open" ) /* 모든메뉴 펼치기 */
	{
		for (i=0 ; i < menu_group.length ; i++ )
		{
			menu_group[i].className = "";
			submenu_group[i].style.display = "";
			for (j=0 ; j < img_group.length ; j++ )
			{
				img_group[j].setAttribute("src", img_group[j].src.replace("_plus.gif","_minus.gif"));
				img_group[j].setAttribute("alt", img_group[j].alt.replace("메뉴 펼치기","메뉴 접기"));
			}
		}
	} else if ( obj == "close" )	{ /* 모든메뉴 접기 */
		for (i=0 ; i < menu_group.length ; i++ )
		{
			menu_group[i].className = "close";
			submenu_group[i].style.display = "none";
			for (j=0 ; j < img_group.length ; j++ )
			{
				img_group[j].setAttribute("src", img_group[j].src.replace("_minus.gif","_plus.gif"));
				img_group[j].setAttribute("alt", img_group[j].alt.replace("메뉴 접기","메뉴 펼치기"));
			}
		}
	} else {
		obj = obj - 1;
		var click_link = menu_group[obj].getElementsByTagName("a");
		var click_img = click_link[0].getElementsByTagName("img");
		if ( menu_group[obj].className == "close" )
		{
			menu_group[obj].className = "";
			submenu_group[obj].style.display = "";
			click_img[0].setAttribute("src", click_img[0].src.replace("_plus.gif","_minus.gif"));
			click_img[0].setAttribute("alt", click_img[0].alt.replace("메뉴 펼치기","메뉴 접기"));
		} else {
			menu_group[obj].className = "close";
			submenu_group[obj].style.display = "none";
			click_img[0].setAttribute("src", click_img[0].src.replace("_minus.gif","_plus.gif"));
			click_img[0].setAttribute("alt", click_img[0].alt.replace("메뉴 접기","메뉴 펼치기"));
		}
	}
}

/* Main Gallery images Over Style */
function gallery_img_over(obj) {
	obj.className ="gallery_img over";
	obj.onmouseout = function() {
		this.className = "gallery_img";
	}
}


/* Table List Over */
function list_over(obj) { 
	var list_row = obj.getElementsByTagName("tr");
	for (i=1; i<list_row.length; i++) {
		list_row[i].onmouseover = function() {
			this.className = 'over';
		}
		list_row[i].onmouseout = function() {
			this.className = '';
		}
	}
}