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];}}
}

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 openWindow(theURL,winName,features) {
  window.open(theURL,winName,features);
}



// _mac : true = macintosh, false = other os
_mac   = navigator.userAgent.toLowerCase().indexOf('mac')!=-1;
// _ie512 : true = MSIE 5.12(mac), false = others
_ie512 = navigator.userAgent.toLowerCase().indexOf('msie 5.12')!=-1;
// _kon : true = konqueror, false = others
_kon    = navigator.userAgent.toLowerCase().indexOf('konqueror')!=-1;
// _safari : true = safari, false = others
_safari = navigator.userAgent.toLowerCase().indexOf('safari')!=-1;
// _dom : kind of DOM.
//        IE4 = 1, IE5+ = 2, NN4 = 3, NN6+ = 4, others = 0
_dom = document.all?(document.getElementById?2:1):
                    (document.getElementById?4:
                    (document.layers?3:0));
function getWinYOffset(){
  if(_dom==4){
    return window.scrollY;
  }
  if(_dom==2 || _dom==1){
    if(navigator.appName == "Microsoft Internet Explorer" && document.compatMode == "CSS1Compat") {
       return document.body.parentNode.scrollTop;
    } else {
       return document.body.scrollTop;
    }
  }
  if(_dom==3){
    return window.pageYOffset;
  }
  return 0;
}
function getDivTop(div){
  if(_dom==4 || _dom==2){
    return div.offsetTop;
  }
  if(_dom==1){
    return div.style.pixelTop;
  }
  if(_dom==3){
    return div.top;
  }
  return 0;
}

var move2pos = 0;
var go2pos = 0;

function scrollerDown(pos) {
  var IE  = navigator.appName.indexOf("Microsoft Internet Explorer",0) != -1;
  if( IE ){
    obj1 = document.all('__pos_offset');
    obj2 = document.all(pos);
    if(obj1 != null){
      position = getDivTop(obj2) + getDivTop(obj1);
    }else{
      position = getDivTop(obj2);
    }
  } else {
    obj = document.getElementById(pos);
    position = getDivTop(obj);
  }
  movePositionDown(pos);
}
function movePositionDown(pos) {
  if(go2pos == 0){
    move2pos = position;
  }
  move2pos = Math.floor(move2pos * 0.8);
  go2pos = position - move2pos;
  if( go2pos < position ){
    window.scrollTo(0,go2pos);
    setTimeout("scrollerDown('"+pos+"')",30);
  } else {
    window.scrollTo(0,position);
    //変数初期化
    move2pos = 0;
    go2pos = 0;
  }
}
function scrollerUp() {
  position = getWinYOffset();
  movePositionUp();
}
function movePositionUp() {
  position = Math.floor(position*0.8);
  if( position > 0.1 ){
    window.scrollTo(0,position)
    setTimeout("scrollerUp()",12);
  } else {
    window.scrollTo(0,0);
  }
}