function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}


// sub ¸Þ´º³» ÁÂÃø À̹ÌÁö ±³È¯
function swapLeftIMG(a,b){	// a : sub ¸Þ´º , b : section ¸Þ´º
	var path;

	switch(a){
		case "1" : { path="company";break; }
		case "2" : { path="management";break; }
		case "3" : { path="product";break; }
		case "4" : { path="business";break; }
		case "5" : { path="public";break; }
		case "6" : { path="intranet";break; }
		case "7" : { path="customer";break; }
	}

	var f = eval("document.all.left"+b);
	
	if(f){
		f.src="../images/"+path+"/btn_menu_0"+b+"_over.gif";		
	}
//	alert(f.src);
}

// sub ¸Þ´ºÅ »ó´Ü À̹ÌÁö ±³È¯
function swapTopIMG(a){
	var f = eval("document.all.top"+a);
	var img;

	if(a.substring(0,1)=="2"){
		img="history";
	}else{
		img="emintro";
	}

	if(f){
		f.src="../images/company/"+img+"/btn_top_"+a+"_over.gif";
//		alert(f.src);
	}
}

function jsBoard(Url){
	window.open(Url,'','width=1,height=1,scrollbars=yes');
}

var isFlag = false;
var viewLeftMenu = null;

// sub ÁÂÃø ¸Þ´º º¸À̱â/¼û±â±â
function displayLeftMenu(objMenu){	
	if (isFlag){viewDisplayFlag(viewLeftMenu);}
	isFlag=true; viewLeftMenu=objMenu;viewDisplayFlag(viewLeftMenu);
}

function viewDisplayFlag(objectName){
	if (objectName.style.display == "none")
		objectName.style.display = "block";
	else
		objectName.style.display = "none";
}