// ナビゲーションロールオーバー
////////////////////////////////////////////////////////////////////////////////
function PreloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.ee_p) d.ee_p=new Array();
    var i,j=d.ee_p.length,a=PreloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.ee_p[j]=new Image; d.ee_p[j++].src=a[i];}}
}
function ReloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.ee_pgW=innerWidth; document.ee_pgH=innerHeight; onresize=ReloadPage; }}
  else if (innerWidth!=document.ee_pgW || innerHeight!=document.ee_pgH) location.reload();
}
ReloadPage(true);

function SwapImgRestore() { //v3.0
  var i,x,a=document.ee_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function FindObj(n, d) { //v4.0
  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=FindObj(n,d.layers[i].document);
  if(!x && document.getElementById) x=document.getElementById(n); return x;
}

function SwapImage() { //v3.0
  var i,j=0,x,a=SwapImage.arguments; document.ee_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=FindObj(a[i]))!=null){document.ee_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}


// ナビゲーション レイヤー設定
////////////////////////////////////////////////////////////////////////////////
function ShowHideLayers() { //v3.0
var i,p,v,obj,args=ShowHideLayers.arguments;
for (i=0; i<(args.length-2); i+=3) if ((obj=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; }
}