/* -------------ロールオーバー------------- */

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];}}
    MM_preloadShow();
}

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];}
}

/* -------------スクロール------------- */

var scrollStep = 1;
function scrollToTop() {
   if(navigator.appName == "Microsoft Internet Explorer" && document.compatMode == "CSS1Compat"){
      var ScrollPs = document.body.parentNode.scrollTop;
   }else{
      var ScrollPs = document.body.scrollTop;
   }
   if(scrollStep < 50 && ScrollPs) {
      ScrollPs = (ScrollPs > 2) ? Math.ceil(ScrollPs*.2) : 1;
      scrollStep++;
      scrollBy(0,-ScrollPs);
      setTimeout("scrollToTop()",10);
   }else{
      scrollTo(0,0);
      scrollStep = 1;
   }
}


/* -------------ページ開閉------------- */

/* ブラウザ判別 */
var ie=document.all ? 1 : 0;
var ns6=document.getElementById&&!document.all ? 1 : 0;
var opera=window.opera ? 1 : 0;

/* 子メニューの表示・非表示切替 */
function openFolder(childObj, parentObj){
  var child="";
  var parent="";
  var sw="img/close_btn.gif"; /* フォルダ表示時のアイコン画像 */
  var hd="img/open_btn.gif"; /* フォルダ非表示時のアイコン画像 */
  if(ie || ns6 || opera){
    child=ns6 ? document.getElementById(childObj).style : document.all(childObj).style;
    parent=ns6 ? document.getElementById(parentObj) : document.all(parentObj);
    if (child.display=="none"){
      child.display="block";
      parent.src=sw;
    }else{
      child.display="none";
      parent.src=hd;
    }
  }
}


/* -------------別ウィンドウ------------- */

function disp(url){
  window.open(url, "window_name", "width=820,height=850,scrollbars=yes,resizable=yes"); 
}


/* -------------小カテゴリー隠し------------- */

function showHide(targetID) {
  if(document.getElementById(targetID)){
    if( document.getElementById(targetID).style.display == "none") {
      document.getElementById(targetID).style.display = "block";
      document.cookie =targetID+"=on;path=/";
    }else{
      document.getElementById(targetID).style.display = "none";
      document.cookie =targetID+"=off;path=/";
    }
  }
}

function MM_preloadShow(){
  ckarray = document.cookie.split("; ");
  var i = 0;
  while(ckarray[i]){
    ckdata = ckarray[i].split("=");
    if("on" == ckdata[1]){
      if(document.getElementById(ckdata[0])){
        document.getElementById(ckdata[0]).style.display = "block";
      }
    }
    i++;
  }
}