//¼îÇÏÀ̵å 
function _jsShowHide(obj,action){
	obj.style.display = action;
}

function _jsShowHideYN(obj){
	var value = (obj.style.display=="none") ? false : true ;
	return value;
}



//¹è¿­¼îÇÏÀ̵å
function _jsShowHideArray(id , num){
	var num , tr = document.all[id] , len = tr.length;

	if (len == null)	{
		(_jsShowHideYN(tr)) ? _jsShowHide(tr,"none") : _jsShowHide(tr,"block")
	}
	else{
		for ( i = 0; i < len ; i++){
			if (i == num){
				(_jsShowHideYN(tr[num])) ? _jsShowHide(tr[num],"none") : _jsShowHide(tr[num],"block")
//				if (tb[num].style.display=="none"){ tb[num].style.display=""; } else { tb[h].style.display="none"; }
			}
			else{
				_jsShowHide(tr[i],"none");
			}
		}
	}
}

//¹è¿­¼îÇÏÀ̵å
function _jsShowHideArray2(id , num, menuID){
	var num , tr = document.all[id] , len = tr.length, category=document.all[menuID], len2=category.length;

	if (len == null)	{
		(_jsShowHideYN(tr)) ? _jsShowHide(tr,"none") : _jsShowHide(tr,"block")
	}
	else{
		for ( j = 0; j < len2 ; j++){
			category[j].style.textDecoration="none";
		}

		for ( i = 0; i < len ; i++){
			if (i == num){
				_jsShowHide(tr[num],"block");
				category[num].style.textDecoration="Underline";
			}
			else{
				_jsShowHide(tr[i],"none");
			}
		}
	}
}



//DESIGN¿¡ ÇÊ¿äÇÑ ½ºÅ©¸³Æ®
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];}
}