// layer
    function showPop(popName) { 
    	var pop = document.getElementById(popName);
    	if(popName == "tech_addition" || popName == "tech_addition2") document.form_filter.is_view.value = "block";
  //  	alert(document.form_filter.is_view.value);
    	pop.style.display="block";
    }
    function closePop(popName){
    	var pop = document.getElementById(popName);
    	if(popName == "tech_addition" || popName == "tech_addition2") document.form_filter.is_view.value = "none";
    	pop.style.display="none";
    }

/* lnb roll over */
function replaceLnb(replaceId,onOff1,onOff2){
	var element = document.getElementById(replaceId);
	var imgNodes = element.getElementsByTagName('img');
	for(var i=0;i < imgNodes.length;i++){
		for(var j=0;j < imgNodes.length;j++){
			if (j==onOff1 || j==onOff2) {
				document.getElementById("imgOn"+onOff1).src = document.getElementById("imgOn"+onOff1).src.replace("_.gif","_on.gif");
				if(onOff2 != 0)
				document.getElementById("imgOn"+onOff2).src = document.getElementById("imgOn"+onOff2).src.replace("_.gif","_on.gif");
			}
		}
		imgNodes[i].name = i;
		imgNodes[i].onmouseover = imgNodes[i].onfocus =function (){
			for(var k=0;k < imgNodes.length;k++){
				if (k==onOff1 || k==onOff2) {
					document.getElementById("imgOn"+onOff1).src = document.getElementById("imgOn"+onOff1).src.replace("_.gif","_on.gif");
					if(onOff2 != 0)
					document.getElementById("imgOn"+onOff2).src = document.getElementById("imgOn"+onOff2).src.replace("_.gif","_on.gif");
				}
				else {
					if(imgNodes[k].id == 'img_go1'||imgNodes[k].id == 'img_go2'){
					}else{
					imgNodes[k].src = imgNodes[k].src.replace("_on.gif","_.gif");
					}
				}
			}
			this.src = this.src.replace("_.gif","_on.gif");
		};
		imgNodes[i].onmouseout = imgNodes[i].onblur = function (){
			for(var l=0;l < imgNodes.length;l++){
				if (l==onOff1 || l==onOff2) {
					document.getElementById("imgOn"+onOff1).src = document.getElementById("imgOn"+onOff1).src.replace("_.gif","_on.gif");
					if(onOff2 != 0)
					document.getElementById("imgOn"+onOff2).src = document.getElementById("imgOn"+onOff2).src.replace("_.gif","_on.gif");
				}
				else {
					if(imgNodes[l].id == 'img_go1'||imgNodes[l].id == 'img_go2'){
					}else{
						imgNodes[l].src = imgNodes[l].src.replace("_on.gif","_.gif");
					}
				}
			}
		};
	}
}

/* tab menu & roll over */
function tabMenuAction(tabId){
	var element = document.getElementById(tabId);
	var imgNodes = element.getElementsByTagName('img');
	for(var i=0;i < imgNodes.length;i++){
		imgNodes[i].name = i;
		imgNodes[i].onmouseover = function (){
			for(var k=0;k < imgNodes.length;k++){
				imgNodes[k].src = imgNodes[k].src.replace("_on.gif",".gif");
			}
			this.src = this.src.replace(".gif","_on.gif");
		};
		imgNodes[i].onmouseout = function (){
			for(var l=0;l < imgNodes.length;l++){
				imgNodes[l].src = imgNodes[l].src.replace("_on.gif",".gif");
			}
		};
	}
}

// faq
function showAnswer(answerName){
    var answer = document.getElementById(answerName);
    if (answer.style.display == 'none') {
        answer.style.display = "block"
    }
	else {
		answer.style.display = "none"
	}
}

/* navigation */
function initNavigation(nid,seq) {
	nav = document.getElementById(nid);
	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;
		}
		
		/* ¸¶¿ì½º¾Æ¿ôÀ¸·Î ¿ø·¡ µª½º·Î µ¹¾Æ°¡´Â È¿°ú ÁÖ·Á¸é ÁÖ¼®ÇØÁ¦
		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();
}

/* layer */
function initLayers(nid1,seq1) {
	nav1 = document.getElementById(nid1);
	nav1.menu1 = new Array();
	nav1.current = null;
	nav1.menuseq1 = 0;
	navLen1 = nav1.childNodes.length;

	allA1 = nav1.getElementsByTagName("a")
	for(m = 0; m < allA1.length; m++) {
		allA1.item(m).onmouseover = allA1.item(m).onfocus = function () {
			nav1.isOver = true;
		}

		allA1.item(m).onmouseout = allA1.item(m).onblur = function () {
			nav1.isOver = false;
			setTimeout(function () {
				if (nav1.isOver == false) {
					if (nav1.menu1[seq1])
						nav1.menu1[seq1].onmouseover();
					else if(nav1.current) {
						if (nav1.current.submenu)
							nav1.current.submenu.style.display = "none";
						nav1.current = null;
					}
				}
			}, 500);
		}
	}

	for (n = 0; n < navLen1; n++) {
		navItem1 = nav1.childNodes.item(n);
		if (navItem1.tagName != "LI")
			continue;

		navAnchor1 = navItem1.getElementsByTagName("a").item(0);
		navAnchor1.submenu = navItem1.getElementsByTagName("ul").item(0);

		navAnchor1.onmouseover = navAnchor1.onfocus = function () {
			if (nav1.current) {
				if (nav1.current.submenu)
					nav1.current.submenu.style.display = "none";
				nav1.current = null;
			}
			if (nav1.current != this) {
				if (this.submenu)
					this.submenu.style.display = "block";
				nav1.current = this;
			}
			nav1.isOver = true;
		}
		nav1.menuseq1++;
		nav1.menu1[nav1.menuseq1] = navAnchor1;
	}
	if (nav1.menu1[seq1])
		nav1.menu1[seq1].onmouseover();
}



//links_go 
function linkTabOn2(num){
	if(num=="0"){
		document.getElementById('links_go1').style.display="block";
		document.getElementById('links_go2').style.display="none";
        document.getElementById("img_go1").src = "/images/img1/market/tab_left_01_on.gif";
        document.getElementById("img_go2").src = "/images/img1/market/tab_left_02.gif";
	}else{
		document.getElementById('links_go1').style.display="none";
		document.getElementById('links_go2').style.display="block";
        document.getElementById("img_go1").src = "/images/img1/market/tab_left_01.gif";
        document.getElementById("img_go2").src = "/images/img1/market/tab_left_02_on.gif";
	}
}