    function setPng24(obj) { 
        obj.width=obj.height=1; 
        obj.className=obj.className.replace(/\bpng24\b/i,''); 
        obj.style.filter = 
        "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+ obj.src +"',sizingMethod='image');" 
        obj.src=''; 
        return ''; 
    } 



function bluring(){ 
if(event.srcElement.tagName=="A"||event.srcElement.tagName=="IMG") document.body.focus(); 
} 

document.onfocusin=bluring; 

function MM_openBrWindow(theURL,winName,features){
	window.open(theURL,winName,features);
}

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_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_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];}
}

//lay
function MM_showHideLayers() { //v9.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) 
  with (document) if (getElementById && ((obj=getElementById(args[i]))!=null)) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}

//input
var n=false;
function Change (target,type) 
{  
       if ( target.value == target.defaultValue && type==0) target.value = ''; 
       if ( !target.value && type==1) target.value = target.defaultValue; 
} 


//ÀÌ¹ÌÁö »õÃ¢ 
var win1Open = null 


function displayImage(picName, windowName, windowWidth, windowHeight){ 
return window.open(picName,windowName,"toolbar=no,scrollbars=no,resizable=no,width=" + (parseInt(windowWidth)+20) + ",height=" + (parseInt(windowHeight)+15)) 
} 

function winClose(){ 
if(win1Open != null) win1Open.close() 
} 

function doNothing(){} 

function displayImage(picName, windowName, windowWidth, windowHeight){ 
var winHandle = window.open("" ,windowName,"toolbar=no,scrollbars=no,resizable=no,width=" + windowWidth + ",height=" + windowHeight) 
if(winHandle != null){ 
var htmlString = "<html><head><title>Picture</title></head>" 
htmlString += "<body leftmargin=0 topmargin=0 marginwidth=0 marginheight=0>" 
htmlString += "<a href=javascript:window.close()><img src=" + picName + " border=0 alt=Ã¢´Ý±â></a>" 
htmlString += "</body></html>" 
winHandle.document.open() 
winHandle.document.write(htmlString) 
winHandle.document.close() 
} 
if(winHandle != null) winHandle.focus() 
return winHandle 
} 


// tab menu
function ChangeLayer(str) 
{ 
	var table_num = "10";//div °¹¼öÁöÁ¤ 

	for(i=1; i<=table_num; i++){ 

		str1 = eval("document.all.tab" + i ); 

		if(i == str){ 
		str1.style.display = "block"; 
		//ChangeIMG(i, div_num) 
		}else{ 
			str1.style.display = "none"; 
		} 

	} 
} 


var old_menu = '';
function menuclick(submenu) {
    if( old_menu != submenu ) {
    if( old_menu !='' ) {
        document.getElementById(old_menu).style.display = 'none';
	}
    document.getElementById(submenu).style.display = '';
	old_menu = submenu;
    } else {
        document.getElementById(submenu).style.display = 'none';
        old_menu = '';
    }
}




