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];}
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}
<!-------------- Top Menu Script ------------------------>
function TopSubMenuChange(key) 
{
	if (key == 1) 
	{
		document.getElementById("intro").style.display = "block";
		document.getElementById("news").style.display = "none";
		document.getElementById("research").style.display = "none";
		document.getElementById("edu").style.display = "none";
		document.getElementById("ability").style.display = "none";
		document.getElementById("library").style.display = "none";		
		document.getElementById("join").style.display = "none";	
	}
	else if(key==2)
	{
		document.getElementById("intro").style.display = "none";
		document.getElementById("news").style.display = "block";
		document.getElementById("research").style.display = "none";
		document.getElementById("edu").style.display = "none";
		document.getElementById("ability").style.display = "none";
		document.getElementById("library").style.display = "none";		
		document.getElementById("join").style.display = "none";			
	}
	else if(key==3)
	{
		document.getElementById("intro").style.display = "none";
		document.getElementById("news").style.display = "none";
		document.getElementById("research").style.display = "block";
		document.getElementById("edu").style.display = "none";
		document.getElementById("ability").style.display = "none";
		document.getElementById("library").style.display = "none";		
		document.getElementById("join").style.display = "none";			
	}
	else if(key==4)
	{
		document.getElementById("intro").style.display = "none";
		document.getElementById("news").style.display = "none";
		document.getElementById("research").style.display = "none";
		document.getElementById("edu").style.display = "block";
		document.getElementById("ability").style.display = "none";
		document.getElementById("library").style.display = "none";		
		document.getElementById("join").style.display = "none";			
	}
	else if(key==5)
	{
		document.getElementById("intro").style.display = "none";
		document.getElementById("news").style.display = "none";
		document.getElementById("research").style.display = "none";
		document.getElementById("edu").style.display = "none";
		document.getElementById("ability").style.display = "block";
		document.getElementById("library").style.display = "none";		
		document.getElementById("join").style.display = "none";			
	}
	else if(key==6)
	{
		document.getElementById("intro").style.display = "none";
		document.getElementById("news").style.display = "none";
		document.getElementById("research").style.display = "none";
		document.getElementById("edu").style.display = "none";
		document.getElementById("ability").style.display = "none";
		document.getElementById("library").style.display = "block";		
		document.getElementById("join").style.display = "none";			
	}
	else if(key==7)
	{
		document.getElementById("intro").style.display = "none";
		document.getElementById("news").style.display = "none";
		document.getElementById("research").style.display = "none";
		document.getElementById("edu").style.display = "none";
		document.getElementById("ability").style.display = "none";
		document.getElementById("library").style.display = "none";		
		document.getElementById("join").style.display = "block";			
	}
	//TopSubMenu(key);
}
function TopSubMenu(key)
{
	for(i=1; i<8; i++)
	{
		if(key==i)
		{
			document.getElementById("TopSubMenu"+i).style.display = "block";
		}
		else
		{
			document.getElementById("TopSubMenu"+i).style.display = "none";
		}
	}	
}
<!------------------ Top Menu Script -------------------------->


// iframe 자동증가 스크립트  iframe게시판 사용시 필수 
var iiframeids=["ifrm"] // iframe 에 사용할 ID 를 지정 해 주세요
var iiframehide="yes"
function resizeCaller() 
{
	
	var dyniframe=new Array();
	for (i=0; i<iiframeids.length; i++) 
	{
		if (document.getElementById) 
		{            	
			resizeIframe(iiframeids[i]);                
		}
		if ((document.all || document.getElementById) && iiframehide=="no") 
		{
			var tempobj=document.all? document.all[iiframeids[i]] : document.getElementById(iiframeids[i]);
			tempobj.style.display="block";
		}
	}
}

function resizeIframe(frameid) 
{    
	var currentfr=document.getElementById(frameid);
	var pacurrentfr=parent.document.getElementById(frameid);
	var scrollHeight  = 500;
	if (currentfr && !window.opera) 
	{    

		currentfr.style.display="block";
		if (currentfr.contentDocument && currentfr.contentDocument.body.offsetHeight) 
		{ 
			//ns6 syntax
			currentfr.height = currentfr.contentDocument.body.offsetHeight; 
			if(pacurrentfr != null) 
			pacurrentfr.height = currentfr.contentDocument.body.offsetHeight; 
		} 
		else if (currentfr.Document && currentfr.Document.body.scrollHeight) 
		{ 

			//ie5+ syntax
			//currentfr.height = currentfr.Document.body.scrollHeight;
			if (currentfr.Document.body.scrollHeight > scrollHeight)
			{
				scrollHeight = currentfr.Document.body.scrollHeight ;
			}
			 currentfr.height = scrollHeight;			 
			if(pacurrentfr != null) 
			{			

			//pacurrentfr.height = currentfr.Document.body.scrollHeight;

			  pacurrentfr.height = scrollHeight ;
			}			
		}
		if (currentfr.addEventListener) 
		{
			currentfr.addEventListener("load", readjustIframe, false);
		} 
		else if (currentfr.attachEvent) 
		{
			currentfr.detachEvent("onload", readjustIframe)  // THIS ONE
			currentfr.attachEvent("onload", readjustIframe);
		}
	}       
}

function readjustIframe(loadevt) 
{
	var crossevt=(window.event)? event : loadevt;
	var iframeroot=(crossevt.currentTarget)? crossevt.currentTarget : crossevt.srcElement;
	if (iframeroot) 
	{
		resizeIframe(iframeroot.id);
	}
}

function loadintoIframe(iframeid, url) 
{
	if (document.getElementById) 
	{
		document.getElementById(iframeid).src=url;
	}
}

if (window.addEventListener) 
{
	window.addEventListener("load", resizeCaller, false);
} 
else if (window.attachEvent) 
{
	window.attachEvent("onload", resizeCaller);
} 
else 
{
	window.onload=resizeCaller;
}


<!-- Last Generated Date :: [2011-06-07 22:03:38 185] -->