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];}
}


/************ ページのトップへ ****************/
function WinDisIE(){
	//ウィンドウの高さを測る
	var Ypix = document.body.scrollTop;
	return Ypix;
}

function WinDisNN(){
	Ypix = window.pageYOffset;
	return Ypix;
}


function PageUp() {

	/*ウィンドウの高さを測る
	Ypix = WinDis();*/
	

if (navigator.appName.charAt(0) == "N") {
	Ypix = WinDisNN();
} else {
	Ypix = WinDisIE();
}

	var disY = (Ypix-(Ypix/10));
	disY = Math.floor(disY);
	if(disY > 0){
		//ウィンドウをスクロール
		window.scrollTo(0 , disY);
		//実行
		setTimeout("PageUp()" , 10);
		//クリア
		clearTimeout();
	} else {
		//クリア
		clearTimeout();
	}
}


/************ ページダウンへ ****************/

speed=1;   //移動スピード
//-------------------------
stop_point=0;
sc_int=0;
function page_start(target_point){
    stop_point= 0;

end_point=document.body.scrollHeight-document.body.clientHeight;
for (i in document.anchors) {
    if(target_point && document.anchors[i].name==target_point)
          stop_point=document.anchors[i].offsetTop;
    
}

stop_point = stop_point + 220;

if(stop_point > end_point)
          stop_point=end_point;
doc_sctop = document.body.scrollTop;

if(document.all){
  if(doc_sctop > stop_point)
        page_up();
  else
        page_doun();
  return false;
  }else
  return true;

}
function page_up(){

if(doc_sctop <= stop_point)return;
  if(doc_sctop > (250+stop_point))
     sc_int=50;
  else
     sc_int = (doc_sctop-stop_point)/5;
doc_sctop -= sc_int;
  if(sc_int < 1)
     doc_sctop=stop_point;
scroll(0,doc_sctop);
if(doc_sctop > stop_point)
   setTimeout("page_up()",speed);
}

function page_doun(){

if(doc_sctop >= stop_point)return;
  if(doc_sctop < (stop_point-250))
     sc_int=50;
  else
     sc_int = (stop_point-doc_sctop)/5;
doc_sctop += sc_int;
  if(sc_int < 1)
     doc_sctop=stop_point;
scroll(0,doc_sctop);
if(doc_sctop < stop_point)
   setTimeout("page_doun()",speed);
}

/*himajin.moo.jp*/