/* IE Flicker Bug */
try {document.execCommand('BackgroundImageCache', false, true);} catch(e) {}

/*-----------------------------------------------------------------*/
// »ó´Ü ž ¸Þ´º Ãâ·Â
/*-----------------------------------------------------------------*/
function initNavigation(seq) {
	var nav = document.getElementById("topnav");
	nav.menu = new Array();
	nav.current = null;
	nav.menuseq = 0;
	navLen = nav.childNodes.length;
	
	allA = nav.getElementsByTagName("a")
	allA.sm = nav.getElementsByTagName("div")
	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("_over.jpg", ".jpg");
						if (nav.current.sm)
							nav.current.sm.style.display = "none";
						nav.current = null;
					}
				}
			}, 500);
		}
	}//
	for(k = 0; k < allA.sm.length; k++) {
		allA.sm.item(k).onmouseover = allA.sm.item(k).onfocus = function () {
			nav.isOver = true;
		}
		allA.sm.item(k).onmouseout = allA.sm.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("_over.jpg", ".jpg");
						if (nav.current.sm)
							nav.current.sm.style.display = "none";
						nav.current = null;
					}
				}
			}, 500);
		}
	}// ·¹À̾ ¸¶¿ì½º¿À¹ö µÇ¾úÀ»¶§µµ ·¹À̾î È°¼ºÈ­

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

		navAnchor = navItem.getElementsByTagName("a").item(0);
		navAnchor.sm = navItem.getElementsByTagName("div").item(0);
		
		navAnchor.onmouseover = navAnchor.onfocus =  function () {
			if (nav.current) {
				menuImg = nav.current.childNodes.item(0);
				menuImg.src = menuImg.src.replace("_over.jpg", ".jpg");
				if (nav.current.sm)
					nav.current.sm.style.display = "none";
				nav.current = null;
			}
			if (nav.current != this) {
				menuImg = this.childNodes.item(0);
				menuImg.src = menuImg.src.replace(".jpg", "_over.jpg");
				if (this.sm)
					this.sm.style.display = "block";
				nav.current = this;
			}
			nav.isOver = true;
		}
		nav.menuseq++;
		nav.menu[nav.menuseq] = navAnchor;
	}
	if (nav.menu[seq])
		nav.menu[seq].onmouseover();
}

/*-----------------------------------------------------------------*/

/* Main TabMenu */
function initTabMenu(tabContainerID) {
	var tabContainer = document.getElementById(tabContainerID);
	var tabAnchor = tabContainer.getElementsByTagName("a");
	var i = 0;

	for(i=0; i<tabAnchor.length; i++) {
		if (tabAnchor.item(i).className == "tab")
			thismenu = tabAnchor.item(i);
		else
			continue;

		thismenu.container = tabContainer;
		thismenu.targetEl = document.getElementById(tabAnchor.item(i).href.split("#")[1]);
		thismenu.targetEl.style.display = "none";
		thismenu.imgEl = thismenu.getElementsByTagName("img").item(0);
		if (thismenu.imgEl) {
			thismenu.onmouseover = function () {
				//this.onclick();
			}
		}
		thismenu.onmouseover = thismenu.onfocus = tabMenuClick;
		
		if (!thismenu.container.first)
			thismenu.container.first = thismenu;
	}
	tabContainer.first.onmouseover();
}
function tabMenuClick() {
	currentmenu = this.container.current;
	if (currentmenu != this) {
		if (currentmenu) {
			currentmenu.targetEl.style.display = "none";
			if (currentmenu.imgEl) {
				currentmenu.imgEl.src = currentmenu.imgEl.src.replace("_over.jpg", ".jpg");
			} else {
				currentmenu.className = currentmenu.className.replace(" on", "");
			}
		}

		this.targetEl.style.display = "block";
		if (this.imgEl) {
			this.imgEl.src = this.imgEl.src.replace(".jpg", "_over.jpg");
		} else {
			this.className += " on";
		}
		this.container.current = this;
	}
	return false;
}

/* SelectMenu toggle(¾ð¾îº°»çÀÌÆ®) */
function sltToggle(type) {
	if(document.getElementById(type).style.display=="none") {
		document.getElementById(type).style.display = "";
		//document.getElementById(type+"_open").className = "close";
		document.getElementById(type+"_open").style.display = "none";
		document.getElementById(type+"_close").style.display = "";
	} else {
		document.getElementById(type).style.display = "none";
		//document.getElementById(type+"_open").className = "open";
		document.getElementById(type+"_open").style.display = "";
		document.getElementById(type+"_close").style.display = "none";
	}
}