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; }
}

function popupWindow( url, wid, hei )
{
    window.open(url,'new','width='+wid+',height='+hei +', top=0 left=200 toolbar=no,scrollbars=yes,menubar=no,status=no,directories=no');
}

// À̹ÌÁö Ŭ¸¯½Ã Á¡¼± ¾ø¾Ö±â
function bluring(){ 
if(event.srcElement.tagName=="A"||event.srcElement.tagName=="IMG") document.body.focus(); 
} 
document.onfocusin=bluring;