//링크의 포커스를 없앤다
function bluring(){ 
if(event.srcElement.tagName=="A"||event.srcElement.tagName=="IMG") document.body.focus(); 
} 
document.onfocusin=bluring;


//롤오버 이미지
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];}
}


//테이블 열고 닫기
    var old_menu = '';
    var old_cell = '';
    function menuclick( submenu ,cellbar){
        if( old_menu != submenu ) {
            if( old_menu !='' ) {
                old_menu.style.display = 'none';
            }
                submenu.style.display = 'block';
                old_menu = submenu;
                old_cell = cellbar;
    } 
            else {
                submenu.style.display = 'none';
                old_menu = '';
                old_cell = '';
            }
    }


//상단 메뉴 레이어 띄우기
function layer() { //v2.0
  var i, visStr, args, theObj,br;
  args = layer.arguments;
  for (i=0; i<(args.length-1); i+=2) {
    visStr   = args[i+1];
    if (navigator.appName == 'Netscape' && document.layers != null) {
      theObj = eval('document.layers[\''+args[i]+'\']');
      if (theObj) theObj.visibility = visStr;
    } 
    else if (document.all != null) { //IE
      if (visStr == 'show') visStr = 'visible'; //convert vals
      if (visStr == 'hide') visStr = 'hidden';
      theObj = eval('document.all[\''+args[i]+'\']');
      if (theObj) theObj.style.visibility = visStr;
    } 
  }
return false;
}
function view(a) {
  if (a==1) {
  	layer('menu1','show','menu2','hide','menu3','hide','menu4','hide','menu5','hide',
		  'sub1','show','sub2','hide','sub3','hide','sub4','hide','sub5','hide');
  }
  if (a==2) {
  	layer('menu1','hide','menu2','show','menu3','hide','menu4','hide','menu5','hide',
		  'sub1','hide','sub2','show','sub3','hide','sub4','hide','sub5','hide');
  }
  if (a==3) {
  	layer('menu1','hide','menu2','hide','menu3','show','menu4','hide','menu5','hide',
		  'sub1','hide','sub2','hide','sub3','show','sub4','hide','sub5','hide');
  }
  if (a==4) {
  	layer('menu1','hide','menu2','hide','menu3','hide','menu4','show','menu5','hide',
		  'sub1','hide','sub2','hide','sub3','hide','sub4','show','sub5','hide');
  }
  if (a==5) {
  	layer('menu1','hide','menu2','hide','menu3','hide','menu4','hide','menu5','show',
		  'sub1','hide','sub2','hide','sub3','hide','sub4','hide','sub5','show');
  }
  if (a==6) {
  	layer('menu1','hide','menu2','hide','menu3','hide','menu4','hide','menu5','hide',
		  'sub1','hide','sub2','hide','sub3','hide','sub4','hide','sub5','hide');
  }
}

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];}
}