//Element ID 불러오기 
function dEI(elementID){
	return document.getElementById(elementID);
}

function goUrl(id) { 
window.open(document.getElementById(id).value); 
return false; 
} 

// 이미지 롤오버
function imgRollover(imgBoxID){
	var MenuCounts = dEI(imgBoxID).getElementsByTagName("img");
	for (i=0;i<MenuCounts.length;i++) {
		var numImg=MenuCounts.item(i);
		var ImgCheck = numImg.src.substring(numImg.src.length-7,numImg.src.length);
		if (ImgCheck!="_on.gif") {
				
				numImg.onmouseover = function () {
					this.src = this.src.replace(".gif", "_on.gif");
				}
				numImg.onmouseout = function () {
					this.src = this.src.replace("_on.gif", ".gif");
				}
		}
	}
}

// Top Menu
function initNavigation(seq) {
	nav = document.getElementById("topmenu");
	nav.menu = new Array();
	nav.current = null;
	nav.menuseq = 0;
	navLen = nav.childNodes.length;
	
	allA = nav.getElementsByTagName("a")
	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", ".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(".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();
}

// faq
function initToggle(id){
		var containerEI=dEI("faq").getElementsByTagName("dt");
		for (i=0;i<containerEI.length;i++) {
			var bxf = containerEI.item(i);
			var bxa = dEI("faq").getElementsByTagName("dd").item(i);
			if (i==id) {
			bxf.className="on";
			bxa.style.display="block";
		}else{
			bxf.className="";
			bxa.style.display="none";
		}
	}
}

// Popup Zone Script Start

	var popupItemCount;
	var popupZoneVal    = 0;
	var popupZoneTmpVal = 0;
	var popupZoneArea;
	var popupZoneButton;
	var autocontrolvar;

	function startPopupZone()
	{
		for(i=1;i<=popupItemCount;i++)
		{
			if(popupZoneTmpVal!=1)
			{
				popupZoneVal = popupZoneTmpVal;
				popupZoneTmpVal = 1;
			}

			if(popupZoneVal == popupItemCount+1)	popupZoneVal = 1;
			if(popupZoneVal==0) popupZoneVal = 1;

			id1 = popupZoneArea + i;
			id2 = popupZoneButton + i;

			if(popupZoneVal==i)
			{
				document.getElementById(id1).setAttribute('src',"../images/bpml/main_num"+i+"on.gif");
				document.getElementById(id2).style.display	= "";
			}
			else
			{
				document.getElementById(id1).setAttribute('src',"../images/bpml/main_num"+i+".gif");
				document.getElementById(id2).style.display	= "none";
			}
		}

		popupZoneVal = popupZoneVal + 1;
		autocontrolvar=setTimeout("startPopupZone()",4000);
	}

	function popupZoneStop(chk)
	{
		if(chk)	clearTimeout(autocontrolvar);
		else
		{
			clearTimeout(autocontrolvar);
			startPopupZone();
		}
	}

	function popupZoneMove(num)
	{
		for(i=1;i<=popupItemCount;i++)
		{
			id1 = popupZoneArea+i
			id2 = popupZoneButton+i

			if(num==i)
			{
				document.getElementById(id1).setAttribute('src',"../images/bpml/main_num"+i+"on.gif");
				document.getElementById(id2).style.display	= "";
			}
			else
			{
				document.getElementById(id1).setAttribute('src',"../images/bpml/main_num"+i+".gif");
				document.getElementById(id2).style.display	= "none";
			}
		}

		popupZoneVal = num;
		popupZoneTmpVal = num;
		popupZoneStop(1);
	}


	function popupZoneShow(type)
	{
		if(type)
		{
			document.getElementById("spot_1").style.display = "none";
			document.getElementById("spot_2").style.display = "";
		}
		else
		{
			document.getElementById("spot_1").style.display = "";
			document.getElementById("spot_2").style.display = "none";
		}
	}

	function setPopupZoneInt(cnt,popupArea,popupButton)
	{
		popupItemCount = cnt;
		popupZoneArea = popupArea;
		popupZoneButton = popupButton;
	}

// Popup Zone Script End

// Move Site
function submitOpenSite1(formEl)
{
	var errorMessage	= null;
	var objFocus			= null;
	var state				= false;

	if (formEl.link1.value.length != 0 )
	{
		// 첫번째 바로가기 이벤트 발생시킴
		if(formEl.link1.value.length != 0) window.open(formEl.link1.value, '_blank', '');
		state = false;
	}

	return state;
}

function goMap(n){
	for(i=1; i<8; i++){
		if (i == n){
		document.getElementById("map_lib"+i).style.display ="block";
		}
		else if (i != n) {
		document.getElementById("map_lib"+i).style.display ="none";
		}
	}
}

function showLayer(layerid) {
	layer = document.getElementById(layerid);
	layer.style.display="block";
}


function hideLayer(layerid) {
	layer=document.getElementById(layerid);
	layer.style.display="none";
}