function menuMouseOver(idx){
	var objImage;
	var objLayer;

	for(var i=1 ; i<=8 ; i++){
		try{objImage = document.getElementById("gnbImage"+i);}catch(err){objImage=null;}
		try{objLayer = document.getElementById("gnb"+i+"01");}catch(err){objLayer=null;}
		
		
		if(i == idx){
			if(objImage){objImage.src = objImage.src.replace(i+".gif", i+"_on.gif");}
			if(objLayer){objLayer.style.display = "block";}
		}else{
			if(objImage){objImage.src = objImage.src.replace(i+"_on.gif", i+".gif");}
			if(objLayer){objLayer.style.display = "none";}
		}
	}
}

function menuSelType(gnbMenuCode)
{
	var idx = 1;
	switch(gnbMenuCode)
	{
		case 102 : 
			idx = 2;
			break;
		case 103 : 
			idx = 3;
			break;
		case 104 : 
			idx = 4;
			break;
		case 105 : 
			idx = 5;
			break;
		case 106 : 
			idx = 6;
			break;
		case 107 : 
			idx = 7;
			break;
		case 108 : 
			idx = 8;
			break;
	}
	
	var objImage;
	var objLayer;
	for(var i=1 ; i<=8 ; i++){
		try{objImage = document.getElementById("gnbImage"+i);}catch(err){objImage=null;}
		try{objLayer = document.getElementById("gnb"+i+"01");}catch(err){objLayer=null;}
		
		
		if(i == idx){
			if(objImage){objImage.src = objImage.src.replace(i+".gif", i+"_on.gif");}
			if(objLayer){objLayer.style.display = "block";}
		}else{
			if(objImage){objImage.src = objImage.src.replace(i+"_on.gif", i+".gif");}
			if(objLayer){objLayer.style.display = "none";}
		}
	}
}

function initNavigation(seq) {
	var 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) {			
						if( seq != 0)
						this.current.parentNode.className = this.current.parentNode.className.replace(" over","");						
						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) {		
				if( seq !=0)
				nav.current.parentNode.className = nav.current.parentNode.className.replace(" over","");			
				if (nav.current.submenu)				
					nav.current.submenu.style.display = "none";
				nav.current = null;
			}
			
			if (nav.current != this) {
				if( seq !=0)
		this.submenu.parentNode.className +=" over";			
				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();
}



function iniGnbtNav()
{
	
}