/* 메뉴 롤오버시 이미지 교체 */
function menuOver() {
	var s = this.src;
	s = s.replace("_on.gif", "_off.gif");
	this.src = s.replace("_off.gif", "_on.gif");
}

function menuOut() {
	this.src = this.src.replace("_on.gif", "_off.gif");
}

function initImgEffect(ImgEls,SelImg) {
	
	MenuImg = document.getElementById(ImgEls).getElementsByTagName("img");
	MenuImgLen = MenuImg.length;

	for (i=0; i<MenuImgLen; i++) {
		MenuImg.item(i).onmouseover = menuOver;
		MenuImg.item(i).onmouseout = menuOut;
		if (i == SelImg) {
			MenuImg.item(i).onmouseover();
			MenuImg.item(i).onmouseover = null;
			MenuImg.item(i).onmouseout = null;
		}
	}
}

/* 탑 네비게이션 */
function initTopMenu(el,depth1) {
	topMenuOut(el.getElementsByTagName("img").item(0));
	if(el.id == "top-menu" + depth1) {
		topMenuOver(el.getElementsByTagName("img").item(0));
	}
}
function topMenuOver(img) {
	img.src = img.src.replace("_off.gif", "_on.gif");
}
function topMenuOut(img) {
	img.src = img.src.replace("_on.gif", "_off.gif");
}

function selectTopmenuByMenuId() {
	var depth1 = this.id.substring("top-menu-head".length,this.id.length);
	var menuId = "sub-menu" + depth1;		
	var selectDepth1 = "top-" + depth1 + "-1";
	var topnav = document.getElementById("lnb");
	if(!topnav) return;
	var topEl = topnav.getElementsByTagName("ul");
	for(i = 0 ; i < topEl.length ; i++){
		if(topEl[i].id.substring(0,12) == "top-sub-menu") {
			topEl[i].style.display = "none";
		}
	}
	var topEl2 = topnav.getElementsByTagName("li");
	for(i = 0 , seq = 1; i < topEl2.length ; i++){
		if(topEl2[i].id.substring(0,8) == "top-menu") {
			initTopMenu(topEl2[i],depth1);
		}
	}
	
	var nav = document.getElementById("top-" + menuId);
	if(!nav) return;
	nav.style.display = "block";
	menuEl = nav.getElementsByTagName("li");
	for(i = 0; i < menuEl.length; i++) {
		var imgEl = menuEl.item(i).getElementsByTagName("img")
		if(imgEl != null && imgEl.length>0) {
			imgEl.item(0).onmouseover = menuOver;
			imgEl.item(0).onmouseout = menuOut;
			imgEl.item(0).onfocus = menuOver;
			imgEl.item(0).onblur = menuOut;
		}
	}
}

function initTopmenuByMenuId(depth1, depth2, depth3, depth4, menuId) {
	var selectDepth1 = "top-" + depth1 + "-" + depth2;
	var selectDepth2 = "top-" + depth1 + "-" + depth2 + "-" + depth3;
	var selectDepth3 = "top-" + depth1 + "-" + depth2 + "-" + depth3 + "-" + depth4;
	var topnav = document.getElementById("lnb");
	if(!topnav) return;
	var topEl = topnav.getElementsByTagName("ul");
	for(var i = 0 ; i < topEl.length ; i++){
		if(topEl[i].id.substring(0,12) == "top-sub-menu") {
			topEl[i].style.display = "none";
		}
	}
	
	var topEl2 = topnav.getElementsByTagName("a");

	for(i = 0, seq = 0 ; i < topEl2.length ; i++){
		if(topEl2[i].id.substring(0,13) == "top-menu-head") {
			topEl2[i].onmouseover =  selectTopmenuByMenuId;
			topEl2[i].onfocus = selectTopmenuByMenuId;
			if ( topEl2[i].id.substring(13) == depth1) {
				topEl2[i].onmouseover();
			}
			seq++;
		}
	}
	
	var nav = document.getElementById("top-" + menuId);
	if(!nav) return;
	nav.style.display = "block";
	menuEl = nav.getElementsByTagName("li");
	for(i = 0; i < menuEl.length; i++) {
		var menuElItm = menuEl.item(i);
		var imgEl = menuElItm.getElementsByTagName("img");
		if(imgEl == null || imgEl.length == 0)  {
			var aEl = menuElItm.getElementsByTagName("a");
			var itm = aEl.item(0);
			if (menuElItm.id == selectDepth1 || menuElItm.id == selectDepth2  || menuElItm.id == selectDepth3  ) {
				itm.className = "on";
			}
		} else {
			var itm = imgEl.item(0);
			if (menuElItm.id == selectDepth1 || menuElItm.id == selectDepth2  || menuElItm.id == selectDepth3  ) {
				itm.src = itm.src.replace("_off.gif", "_on.gif");
				itm.onmouseover = null;
				itm.onmouseout = null;
				itm.onfocus = null;
				itm.onblur = null;
			}
			else {
				itm.onmouseover = menuOver;
				itm.onmouseout = menuOut;
				itm.onfocus = menuOver;
				itm.onblur = menuOut;
			}
		}
	}
}


/* 왼쪽 네비게이션 */
function initSubmenuByMenuId(depth1, depth2, depth3,depth4, menuId) {
	selectDepth1 = "menu" + depth1 + "-" + depth2;
	selectDepth2 = "menu" + depth1 + "-" + depth2 + "-" + depth3;
	selectDepth3 = "menu" + depth1 + "-" + depth2 + "-" + depth3 + "-" + depth4;
	
	nav = document.getElementById(menuId);
	if(!nav) return;
	menuEl = nav.getElementsByTagName("li");	
	
	for(i = 0; i < menuEl.length; i++) {
		if (menuEl.item(i).id == selectDepth1 || menuEl.item(i).id == selectDepth2  || menuEl.item(i).id == selectDepth3  ) {
			var im = menuEl.item(i).getElementsByTagName("img");
			if(im && im.length > 0 ) {
				im.item(0).src = im.item(0).src.replace("_off.gif", "_on.gif");
			}
			else {
				var anc = menuEl.item(i).getElementsByTagName("a");
				if(anc && anc.length > 0) {
					anc.item(0).className = "on";
					if(menuEl.item(i).id == selectDepth3) {
						anc.item(0).className += " leaf";
					}
				}
			}
		} else {
			var im = menuEl.item(i).getElementsByTagName("img");
			if( im == null || im.length == 0)  continue;
			im.item(0).onmouseover = menuOver;
			im.item(0).onmouseout = menuOut;
			im.item(0).onfocus = menuOver;
			im.item(0).onblur = menuOut;
			if (menuEl.item(i).getElementsByTagName("ul").item(0)) {
				menuEl.item(i).getElementsByTagName("ul").item(0).style.display = "none";
			}
		}
	}	
	menuId = "menu" + depth1;
	initTopmenuByMenuId(depth1,depth2,depth3,depth4,menuId);
}


/*플래시 활성화*/
function Flash_Active(swf, width, height, id, wmode, flashvars) {
	var contents = new String();
	if (navigator.appName.indexOf("Microsoft") != -1) 	{
		contents += '<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" ';
		contents += 'codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=version=8,0,0,0" ';
		contents += 'id="' + id + '" width="' + width + '" height="' + height + '">';
		contents += '<param name="movie" value="' + swf + '"/>';

			if(flashvars != null) {contents += '<param name="flashvars" value="' + flashvars + '"/>'};
		contents += '<param name="quality" value="best"/>';
		
			if (typeof(wmode) == "undefined") {
			contents += '<param name="wmode" value="transparent">';
			} else {
			contents += '<param name="wmode" value="' + wmode + '">';
			}		
		
		contents += '<param name="allowScriptAccess" value="sameDomain"/>';
		contents += '</object>';
		} else {
		contents += '<embed src="' + swf + '" ';
		contents += 'quality="best" ';
		contents += 'width="' + width + '" ';
		contents += 'height="' + height + '" ';
		contents += 'id="' + id + '" ';
	
			if (typeof(wmode) == "undefined") {
			contents += ' wmode="transparent" ';
			} else {
			contents += ' wmode="' + wmode + '" ';
			}
		
		contents += 'allowScriptAccess="sameDomain" ';
			if(flashvars != null) {contents += 'flashvars="' + flashvars + '" '};
		contents += 'type="application/x-shockwave-flash" ';
		contents += 'pluginspage="http://www.macromedia.com/go/getflashplayer">';
		contents += '</embed>';
	}

	document.write(contents);
}