// １段目メニュー用画像
var mm = 
  new Array(
    new Array("/images/menu/to_menus_on00.gif"
      ,"/images/menu/to_menus_on00_01.gif"
      ,"/images/menu/to_menus_on00_02.gif"
      ,"/images/menu/to_menus_on00_03.gif"
      ,"/images/menu/to_menus_on00_04.gif"
      ,"/images/menu/to_menus_on00_05.gif"
      ,"/images/menu/to_myplan_on.gif"),
    new Array("/images/menu/to_myplan_over.gif"
      ,"/images/menu/menus_on01.gif"
      ,"/images/menu/menus_on01_02.gif"
      ,"/images/menu/menus_on01_03.gif"
      ,"/images/menu/menus_on01_04.gif"
      ,"/images/menu/menus_on01_05.gif"
      ,"/images/menu/to_myplan.gif"),
    new Array("/images/menu/to_myplan_over.gif"
      ,"/images/menu/menus_on02_01.gif"
      ,"/images/menu/menus_on02.gif"
      ,"/images/menu/menus_on02_03.gif"
      ,"/images/menu/menus_on02_04.gif"
      ,"/images/menu/menus_on02_05.gif"
      ,"/images/menu/to_myplan.gif"),
    new Array("/images/menu/to_myplan_over.gif"
      ,"/images/menu/menus_on03_01.gif"
      ,"/images/menu/menus_on03_02.gif"
      ,"/images/menu/menus_on03.gif"
      ,"/images/menu/menus_on03_04.gif"
      ,"/images/menu/menus_on03_05.gif"
      ,"/images/menu/to_myplan.gif"),
    new Array("/images/menu/to_myplan_over.gif"
      ,"/images/menu/menus_on04_01.gif"
      ,"/images/menu/menus_on04_02.gif"
      ,"/images/menu/menus_on04_03.gif"
      ,"/images/menu/menus_on04.gif"
      ,"/images/menu/menus_on04_05.gif"
      ,"/images/menu/to_myplan.gif"),
    new Array("/images/menu/to_myplan_over.gif"
      ,"/images/menu/menus_on05_01.gif"
      ,"/images/menu/menus_on05_02.gif"
      ,"/images/menu/menus_on05_03.gif"
      ,"/images/menu/menus_on05_04.gif"
      ,"/images/menu/menus_on05.gif"
      ,"/images/menu/to_myplan.gif"),
    new Array("/images/menu/to_myplan_over.gif"
      ,"/images/menu/menus_on01.gif"
      ,"/images/menu/menus_on02.gif"
      ,"/images/menu/menus_on03.gif"
      ,"/images/menu/menus_on04.gif"
      ,"/images/menu/menus_on05.gif"
      ,"/images/menu/to_myplan.gif")
  );
  
// 画像をキャッシュに投げ込む
var preloadFlag = false;
var head = 0;
function preloadImages(heada)
{
  for (i=0; i<=5; i++)
  {
    hwMenu = new Array();
    hwMenu[i] = new Image();
    hwMenu[i].src = mm[heada][i];
  }
  preloadFlag = true;
  head = heada;
  if ( heada == 0 )
    document.images["to_myplan"].src = mm[heada][6];
  if ( heada != 6 )
    document.images["menus_on"].src = mm[heada][heada];
}

// 画像を差し替える, arg[0]:画像ID, arg[1]:差し替える画像ファイル
function changeImages( target,num )
{
  if (document.images && (preloadFlag == true))
  {
    if ( target.length == 9 && head == 0)
      num = 6;
    if ( target.length == 9 && num == 1)
      num = 6;
    
    if ( target.length != 9 && num == 6 )
      document[target].src = "/images/menu/menu_clear.gif";
    else
      document[target].src = mm[head][num];
  }
}



function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

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];}
}