//메인메뉴 javascript:is=document.images;for(var i=0; i<is.length; i++){is[i].src='';};void(0);
var mainmenu;

function setmainmenu() {
	var onedepth=document.getElementById('onedepth').childNodes;
	var nowpage;

	this.init = function(num){
		var atag;
	
		for(var i=0; i < onedepth.length; i++) {
			if(onedepth[i].nodeType==1) {
				onedepth[i].onmouseover=function(){mainmenu.sub(this,true);};
				onedepth[i].onmouseout=function(){mainmenu.sub(this,false);};
				onedepth[i].onfocus=function(){mainmenu.sub(this,true);};
				onedepth[i].onblur=function(){mainmenu.sub(this,false);};
			}
		}

		if(num){
			nowpage=num;
			setnowpage(nowpage);
		}
	}

	var setnowpage = function(nowpage) {
		unsetnowpage();	
		for(var i = 0; i < onedepth.length; i++) {
			if(onedepth[i].nodeType == 1) {
				if(onedepth[i].className == "onedepth" + nowpage[0]) {
					mainmenu.sub(onedepth[i],true, true);
//					twodepth=onedepth[i].getElementsByTagName('a');

//					for(var j = 1; j < twodepth.length; j++) {
//						if(twodepth[j].id == nowpage[1]) {
//							twodepth[j].className = "on";
//						}
//					}
				}	
				
			}
		}
	}

	var unsetnowpage=function(){
		var innerimg,atags;
		for(var i=0; i<onedepth.length; i++){
			if(onedepth[i].nodeType==1){
				innerimg=onedepth[i].getElementsByTagName('img')[0];
				if(innerimg.src.indexOf('on.gif')!=-1) innerimg.src=innerimg.src.replace('on.gif','.gif');
				onedepth[i].getElementsByTagName('ul')[0].style.display='none';
				atags=onedepth[i].getElementsByTagName('ul')[0].getElementsByTagName('a');
				for(j=0; j<atags.length; j++){
					if(atags[j].className=='on') atags[j].className='';
				}
			}
		}
	}

	this.sub=function(onedepthobj,shownhide, flag){
		var Browser = new Object(); 
		
	
		var twodepthid=onedepthobj.className.replace('one','two');
		var twodepthobj=document.getElementById(twodepthid);
		var innerimg=onedepthobj.getElementsByTagName('img')[0];

		Browser.isIE = (navigator.userAgent.toLowerCase().indexOf("msie")!=-1);

		if(shownhide){
			unsetnowpage();
			mouseisover=true;
			twodepthobj.style.top=(document.getElementById('mainmenu').offsetTop+(Browser.isIE ? 73 : 36))+'px';

			if(flag == null) {
				twodepthobj.style.display='block';
			}

			if(innerimg.src.indexOf('on.gif')==-1) innerimg.src=innerimg.src.replace('.gif','on.gif');
		}else if(!shownhide){
			if(nowpage){
				if(onedepthobj.className.indexOf(nowpage[0])==-1){
					innerimg.src=innerimg.src.replace('on.gif','.gif');
					mouseisover=false;
					twodepthobj.style.display='none';
					setnowpagetimer();
				}else setnowpage(nowpage);
			}else unsetnowpage();
		}
	}

	var mouseisover=false;
	var setnowpagetime=0;
	var setnowpagetimer=function(){
		if(mouseisover){
			setnowpagetime=0;
		}else{
			if(setnowpagetime<1000){
				setnowpagetime+=100;
				setTimeout(setnowpagetimer,50);
			}else{
				setnowpagetime=0;
				setnowpage(nowpage);
			}
		}
	}
}

function setLeftMenu(aData) {
	if(aData[0] == null) {
		return ;
	}

	var nIndex = document.all ? 0 : 1;
	var aNodes = document.getElementById('submenu').childNodes[nIndex].childNodes;
	var strMenu = aData[0] + aData[1];
	for(var i = 0; i < aNodes.length; i++) {
		if(aNodes[i].nodeType == 1) {
			var aLink = aNodes[i].getElementsByTagName("a");
			var oUL = aNodes[i].getElementsByTagName("ul");
			var strData = aLink[0].id;
			
			if(oUL[0]!=null) {
				oUL[0].style.display = "none";
			}
			
			if(strData.indexOf(aData[0]) == 3) {
				aLink[0].className = "on";

				if(oUL != null && oUL.length > 0) {
					oUL[0].style.display = "block";
				} 
				
				for(var j = 1; j < aLink.length; j++) {
					if(aLink[j].id == "sub" + strMenu) {
						aLink[j].className = "subon";
						//break;
					} else {
						aLink[j].className = "sub";
					}
				}

				//break;
			}
		}
	}
}