/* flash re write */
function IE_HtmlRewrite(objParent) {
	if (window.ActiveXObject && objParent) {
		objParent.innerHTML = objParent.innerHTML;
	}
}

/* Layer View */
function layer_view(layer_name) {
	var layerId = document.getElementById(layer_name);
	if (layerId.style.display == "") {
		layerId.style.display = "none";
	}
	else {
		layerId.style.display = "";
	}
}

/* LAYER  */
function layerShow(layerId) {
	document.getElementById(layerId).style.display = "block";
}
function layerHide(layerId) {
	document.getElementById(layerId).style.display = "none";
}


/* Roll Over
----------------------------------------------------------------------------------------------------------------------------*/
function menuOn(imgEl) {
	imgEl.src = imgEl.src.replace(".gif", "on.gif");
}
function menuOut(imgEl) {
	imgEl.src = imgEl.src.replace("on.gif", ".gif");
}

/* Tab Content (마우스오버)
----------------------------------------------------------------------------------------------------------------------------*/
var currentMenu;	// current shown menu (mouse over)
var focusMenu;	// current page menu
var menu = new Array();	// each menu array


function initNavigation(seq) {
	var menuseq = 0;
	nav = document.getElementById("topmenu");
	menuEl = nav.getElementsByTagName("li");

	for(i = 0; i < menuEl.length; i++) {
		if (menuEl.item(i).getElementsByTagName("li").length > 0) {
			menu[i] = menuEl.item(i);
			menu[i].onmouseover = function navigationOver() {
				hideSubmenu();
				currentMenu = this;
				showSubmenu();
			}
			menu[i].onmouseout = function navigationOut() {
				this.isMenuOver = false;
				//setTimeout("hideSubmenu()", 500);
			}
	
			menu[i].submenu = menu[i].getElementsByTagName("ul").item(0);
			if (menu[i].submenu) {
				menu[i].submenu.menu = menu[i];
				menu[i].submenu.onmouseover = subOver;
				menu[i].submenu.getElementsByTagName("li").item(0).className = "first";
			}
			
			menu[i].menuimg = menu[i].getElementsByTagName("img").item(0);
			menu[i].menuimg.style.position = "relative";
			menu[i].menuimg.style.zIndex = menuEl.length - i;
			menu[i].menuimg.menunum = menuEl.length;

			//menuseq++;
			//if (menuseq == seq) {
			if (menu[i].className.split("-")[2] == seq) {
				focusMenu = menu[i]
			}
		}
	}
	initFocus();
}
function initFocus() {		// current page menu focusing
	if (focusMenu) {
		currentMenu = focusMenu;
	} else {
		currentMenu = null;
	}
	showSubmenu();
}
function showSubmenu() {
	if (currentMenu && !currentMenu.isMenuOver) {
		menuimg = currentMenu.getElementsByTagName("img").item(0);
		menuimg.style.zIndex = parseInt(menuimg.style.zIndex) + menuimg.menunum;
		menuimg.src = menuimg.src.replace(".gif", "on.gif");

		if (currentMenu.submenu) {
			currentMenu.submenu.style.display = "block";
		}
		currentMenu.isMenuOver = true;

		if (focusMenu && currentMenu != focusMenu) {
			focusMenu.submenu.style.display = "none";
		}
	}
}
function hideSubmenu() {
	if (currentMenu && !currentMenu.isMenuOver) {
		menuimg = currentMenu.getElementsByTagName("img").item(0);
		menuimg.style.zIndex = parseInt(menuimg.style.zIndex) - menuimg.menunum;
		menuimg.src = menuimg.src.replace("on.gif", ".gif");

		if (currentMenu.submenu) {
			currentMenu.submenu.style.display = "none";
		}
		currentMenu.isMenuOver = false;

		if (focusMenu && currentMenu != focusMenu) {
			focusMenu.submenu.style.display = "block";
		}
		initFocus();
	}
}
function subOver() {
	this.menu.isMenuOver = true;
}

/* Tab Content (클릭)
----------------------------------------------------------------------------------------------------------------------------*/
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);
		thismenu.onclick = function tabMenuClick() {
			currentmenu = this.container.current;
			if (currentmenu == this)
				return;

			if (currentmenu) {
				currentmenu.targetEl.style.display = "none";
				if (currentmenu.imgEl) {
					currentmenu.imgEl.src = currentmenu.imgEl.src.replace("on.gif", ".gif");
				} else {
					currentmenu.className = currentmenu.className.replace("on", "");
				}
			}

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

			return false;
		};

		if (!thismenu.container.first)
			thismenu.container.first = thismenu;
	}
	if (tabContainer.first)
		tabContainer.first.onclick();
}

/* Tab Content (롤오버)
----------------------------------------------------------------------------------------------------------------------------*/
function initTab(menuContainerID) {
	
	var tabAnchor = document.getElementById(menuContainerID).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.menuContainer = document.getElementById(menuContainerID);
		thismenu.targetEl = document.getElementById(thismenu.href.split("#")[1]);
		thismenu.targetEl.style.display = "none";
		if (thismenu.getElementsByTagName("img").item(0)) {
			thismenu.getElementsByTagName("img").item(0).onmouseover = function () {
				this.src = this.src.replace(".gif", "on.gif");
			}
			thismenu.getElementsByTagName("img").item(0).onmouseout = function () {
				this.src = this.src.replace("on.gif", ".gif");
			}
		}

		thismenu.onclick = tabMenuClick;
		
		if (!thismenu.menuContainer.first) {
			thismenu.menuContainer.first = thismenu;
		}
	}
	document.getElementById(menuContainerID).first.onclick();
}
function tabMenuClick() {
	currentmenu = this.menuContainer.current;

	if (currentmenu != this) {
		if (currentmenu) {
			currentmenu.targetEl.style.display = "none";
			if (currentmenu.getElementsByTagName("img").item(0)) {
				currentmenu.getElementsByTagName("img").item(0).onmouseover = function () {
					this.src = this.src.replace(".gif", "on.gif");
				}
				currentmenu.getElementsByTagName("img").item(0).onmouseout = function () {
					this.src = this.src.replace("on.gif", ".gif");
				}
				currentmenu.getElementsByTagName("img").item(0).onmouseout();
			}
			currentmenu.className = currentmenu.className.replace(" on", "");
		}

		this.targetEl.style.display = "block";
		if (this.getElementsByTagName("img").item(0)) {
			this.getElementsByTagName("img").item(0).onmouseout();
			this.getElementsByTagName("img").item(0).onmouseover();
			this.getElementsByTagName("img").item(0).onmouseover = null;
			this.getElementsByTagName("img").item(0).onmouseout = null;
		}
		if (this) {
			this.className += " on";
		}
		this.menuContainer.current = this;
	}
	return false;
}