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;
  } 
}

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;
  } 
}

var defaultId = "";
function menu_out()
{
	try{
		MenuH01.style.display = "none";
		MenuH02.style.display = "none";
		MenuH03.style.display = "none";
		MenuH04.style.display = "none";
		MenuH05.style.display = "none";
		MenuH06.style.display = "none";
		MenuH07.style.display = "none";
		MenuH08.style.display = "none";
		MenuH09.style.display = "none";
		MenuH10.style.display = "none";
		eval(defaultId + ".style.display = ''");
	}catch(e){}
}

function menu_load(defaultMenu)
{
	defaultId = defaultMenu;
	menu_out();
}

function menu_over(arg)
{
	MenuH01.style.display = "none";
	MenuH02.style.display = "none";
	MenuH03.style.display = "none";
	MenuH04.style.display = "none";
	MenuH05.style.display = "none";
	MenuH06.style.display = "none";
	MenuH07.style.display = "none";
	MenuH08.style.display = "none";
	MenuH09.style.display = "none";
	MenuH10.style.display = "none";
	
	eval(arg + ".style.display = ''");
}

function div_over(divId,defaultImg,changeImg)
{
	Div01.style.display = "none";
	Div02.style.display = "none";
	Div03.style.display = "none";
	Div04.style.display = "none";
	eval(divId + ".style.display = ''");
	Img01.src = "images/anniu_01_b.gif";
	Img02.src = "images/anniu_02_b.gif";
	Img03.src = "images/anniu_03_b.gif";
	Img04.src = "images/anniu_04_b.gif";
	eval(defaultImg + ".src = '" + changeImg + "'");
}
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];}
}

function MM_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}