function na_restore_img_src(name, nsdoc)
{
  var img = eval((navigator.appName.indexOf('Netscape', 0) != -1) ? nsdoc+'.'+name : 'document.all.'+name);
  if (name == '')
    return;
  if (img && img.altsrc) {
    img.src    = img.altsrc;
    img.altsrc = null;
  } 
}

function na_preload_img()
{ 
  var img_list = na_preload_img.arguments;
  if (document.preloadlist == null) 
    document.preloadlist = new Array();
  var top = document.preloadlist.length;
  for (var i=0; i < img_list.length; i++) {
    document.preloadlist[top+i]     = new Image;
    document.preloadlist[top+i].src = img_list[i+1];
  } 
}

function na_change_img_src(name, nsdoc, rpath, preload)
{ 
  var img = eval((navigator.appName.indexOf('Netscape', 0) != -1) ? nsdoc+'.'+name : 'document.all.'+name);
  if (name == '')
    return;
  if (img) {
    img.altsrc = img.src;
    img.src    = rpath;
  } 
}

//------------------ ¿©±âºÎÅÍ ÁÂÃø ¸Þ´º·¹À̾î -----------------------------------------------------------------------------

window.onerror = null;
 var bName = navigator.appName;
 var bVer = parseInt(navigator.appVersion);
 var NS4 = (bName == "Netscape" && bVer >= 4);
 var IE4 = (bName == "Microsoft Internet Explorer" && bVer >= 4);
 var NS3 = (bName == "Netscape" && bVer < 4);
 var IE3 = (bName == "Microsoft Internet Explorer" && bVer < 4);
 var menuActive = 0
 var menuOn = 0
 var onLayer
 var timeOn = null
 var loaded = 0


// LAYER SWITCHING CODE
if (NS4 || IE4) {
	if (navigator.appName == "Netscape") {
		layerStyleRef="layer.";
		layerRef="document.layers";
		styleSwitch="";
	}
	else{
		layerStyleRef="layer.style.";
		layerRef="document.all";
		styleSwitch=".style";
	}
}

 
function layershow(){
   var i, visStr, args, theObj;
   args = layershow.arguments;
   
   for (i=0; i<(args.length-2); i+=3) {
      visStr   = args[i+2];
  
      if (navigator.appName == 'Netscape' && document.layers != null) {
          theObj = eval(args[i]);
          if (theObj) theObj.visibility = visStr;
      } else if (document.all != null) {
          if (visStr == 'show') visStr = 'visible';
          if (visStr == 'hide') visStr = 'hidden';
          theObj = eval(args[i+1]);
          if (theObj) theObj.style.visibility = visStr;
      }
   }
}
                    
//---- SHOW MENU --------------------------------------------------------------
function showLayer(layerName){
	if (NS4 || IE4) {
		if (timeOn != null) {
			clearTimeout(timeOn)
			hideLayer(onLayer)
		}
		if (NS4 || IE4) {
			eval(layerRef+'["'+layerName+'"]'+styleSwitch+'.visibility="visible"');
		}
		onLayer = layerName;
	}
}

//---- HIDE MENU --------------------------------------------------------------
function hideLayer(layerName){
	if (menuActive == 0) {
		if (NS4 || IE4) {
			eval(layerRef+'["'+layerName+'"]'+styleSwitch+'.visibility="hidden"');
		}
	}
}

//---- TIMER FOR BUTTON MOUSE OUT ---------------------------------------------
function btnTimer() {
	menuActive=0
	timeOn = setTimeout("btnOut()",500)
}

//---- BUTTON MOUSE OUT -------------------------------------------------------
function btnOut(layerName) {
	menuActive=0
	if (menuActive == 0) {
		hideLayer(onLayer)
	}
}

//---- MENU MOUSE OVER --------------------------------------------------------
function menuOver(itemName) {
	clearTimeout(timeOn)
	menuActive = 1
}

//---- MENU MOUSE OUT ---------------------------------------------------------
function menuOut(itemName) {
	menuActive = 0 
	timeOn = setTimeout("hideLayer(onLayer)", 400)
}

//---- °¶·¯¸® º¸±â ------------------------------------------------------------
function gallery_view(part) {
	var w = 650;
	var h = 550;
	var winl = (screen.width - w) / 2; 
	var wint = (screen.height - h) / 2;
	var url = "/gallery/slide.php?part="+part;	
	window.open(url,"gallery","top="+wint+", left="+winl+" ,width="+w+", height="+h+"");
}

function movie_view(part,url) {
	var w = 700;
	var h = 550;
	var winl = (screen.width - w) / 2; 
	var wint = (screen.height - h) / 2;
	var url = "/gallery/movie_frame.html?part="+part+"&url="+url;	
	window.open(url,"movie","top="+wint+", left="+winl+" ,width="+w+", height="+h+"");	
}

function gallery_write(part,num) {
	var url = "/gallery/write.php?part="+part+"&num="+num;	
	var w = 650;
	var h = 650;
	var winl = (screen.width - w) / 2; 
	var wint = (screen.height - h) / 2;
	window.open(url,"gallery","top="+wint+", left="+winl+" ,width="+w+", height="+h+", scrollbars=yes,resizable=yes");
}