/*****************************************************************************
* 오른쪽 이동메뉴 : RMenu
*****************************************************************************/

function initMoving(target, position, topLimit, btmLimit) {
	if (!target)
		return false;

	var obj = target;
	obj.initTop = position;

	obj.topLimit = topLimit;
	obj.bottomLimit = document.documentElement.scrollHeight - btmLimit;

	obj.style.position = "absolute";
	obj.top = obj.initTop;
	obj.left = obj.initLeft;

	if (typeof(window.pageYOffset) == "number") {
		obj.getTop = function() {
			return window.pageYOffset;
		}
	} else if (typeof(document.documentElement.scrollTop) == "number") {
		obj.getTop = function() {
			return document.documentElement.scrollTop;
		}
	} else {
		obj.getTop = function() {
			return 0;
		}
	}

	if (self.innerHeight) {
		obj.getHeight = function() {
			return self.innerHeight;
		}
	} else if(document.documentElement.clientHeight) {
		obj.getHeight = function() {
			return document.documentElement.clientHeight;
		}
	} else {
		obj.getHeight = function() {
			return 500;
		}
	}

	obj.move = setInterval(function() {
		if (obj.initTop > 0) {
			pos = obj.getTop() + obj.initTop;
		} else {
			pos = obj.getTop() + obj.getHeight() + obj.initTop;
			//pos = obj.getTop() + obj.getHeight() / 2 - 15;
		}

		if (pos > obj.bottomLimit)
			pos = obj.bottomLimit;
		if (pos < obj.topLimit)
			pos = obj.topLimit;

		interval = obj.top - pos;
		obj.top = obj.top - interval / 3;
		obj.style.top = obj.top + "px";
	}, 30)
}

/*****************************************************************************
* 이미지 롤오버 함수
*****************************************************************************/

function imgChg(obj){
	var img = null;
	var imgName = null;
	
	// A 객체에서 IMG객체를 추출
	// 접근성을 위해 오버 이미지의 컨트롤은 A에서 이벤트를 걸어 처리되도록 함.
	if(obj != null){
		for(i=0; i<obj.childNodes.length; i++){
			if(obj.childNodes[i].nodeName == "IMG" || obj.childNodes[i].nodeName == "INPUT" ){
				img = obj.childNodes[i];
			}
		}
	}

	if(img != null){
		imgName = img.src;
		if(imgName.indexOf("_on") > -1){
			img.src = imgName.replace(/_on\.gif/g, "_off.gif");
		}else{
			img.src = imgName.replace(/_off\.gif/g, "_on.gif");
		}
	}
}

/*****************************************************************************
* 왼쪽메뉴 : LMenu
*****************************************************************************/

var SubMenuArray = Array("LMenu1");

function LMenu(obj, id){
	// 이미지 오버
	imgChg(obj);
	// LMenu 레이어 Display
	for(i=0; i<SubMenuArray.length; i++){
		
		if(SubMenuArray[i] == id){
			eval("document.getElementById('"+id+"')").style.display = "block";
		}else{
			document.getElementById(SubMenuArray[i]).style.display = "none";
		}
	}
}

/*****************************************************************************
*  상단메뉴 : UMenu
*****************************************************************************/

function initNavigation(seq) {
	nav = document.getElementById("UMenu");
	nav.menu = new Array();
	nav.current = null;
	nav.menuseq = 0;
	navLen = nav.childNodes.length;
	
	/* allA = nav.getElementsByTagName("IMG")
	for(k = 0; k < allA.length; k++) {
		allA.item(k).onmouseover = allA.item(k).onfocus = function () {
			nav.isOver = true;
		}
		allA.item(k).onmouseout = allA.item(k).onblur = function () {
			nav.isOver = false;
			setTimeout(function () {
				if (nav.isOver == false) {
					if (nav.menu[seq])
						nav.menu[seq].onmouseover();
					else if(nav.current) {
						menuImg = nav.current.childNodes.item(0);
						menuImg.src = menuImg.src.replace("_on.gif", ".gif");
						if (nav.current.submenu)
							nav.current.submenu.style.display = "none";
						nav.current = null;
					}
				}
			}, 500);
		}
	}*/

	for (i = 0; i < navLen; i++) {
		navItem = nav.childNodes.item(i);
		if (navItem.tagName != "LI")
			continue;

		navAnchor = navItem.getElementsByTagName("A").item(0);
		navAnchor.submenu = navItem.getElementsByTagName("UL").item(0);
		
		navAnchor.onmouseover = navAnchor.onfocus = function () {
			if (nav.current) {
				menuImg = nav.current.childNodes.item(0);
				menuImg.src = menuImg.src.replace("_on.gif", "_off.gif");
				if (nav.current.submenu)
					nav.current.submenu.style.display = "none";
				nav.current = null;
			}
			if (nav.current != this) {
				menuImg = this.childNodes.item(0);
				menuImg.src = menuImg.src.replace("_off.gif", "_on.gif");
				if (this.submenu)
					this.submenu.style.display = "block";
				nav.current = this;
			}
			nav.isOver = true;
		}
		nav.menuseq++;
		nav.menu[nav.menuseq] = navAnchor;
	}
	if (nav.menu[seq])
		nav.menu[seq].onmouseover();
}

// Adjust Layout
window.onload = function() {
	window.setInterval(function() {
		bodyEl = document.getElementById("body");
		subEl = document.getElementById("sub");
		if (!bodyEl || !subEl)
			return;
		if (bodyEl.offsetHeight < subEl.offsetHeight +  25) {
			bodyEl.style.height = subEl.offsetHeight + "px";
		}
	}, 200);
}

function initBoardList() {
	boardPager = document.getElementById("board-pager");
	if (boardPager)
		boardPager.getElementsByTagName("li").item(2).style.borderStyle = "none";
}
function initBoardViewPhoto() {
	imageContainer = document.getElementById("attach-photo");
	if (imageContainer) {
		imgEl = imageContainer.getElementsByTagName("img");
		for (i = 0; i < imgEl.length; i++) {
			if (imageContainer.offsetWidth < imgEl.item(i).offsetWidth) {
				imgEl.item(i).style.width = imageContainer.offsetWidth;
			}
		}
	}
}