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];}
}
//-->

////////ページトップへスクロール

function getScroll(){
var x, y ;
if( document.all !== void 0 ){
x = document.body.scrollLeft ;
y = document.body.scrollTop ;
}else if( document.layers !== void 0 ){
x = window.pageXOffset ;
y = window.pageYOffset ;
}else{
x = window.scrollX ;
y = window.scrollY ;
}
return { x : x, y : y };
}


var SCROLL ;

var divCountScroller = 25 ;

function scroller( x, y, edging, count ){

if( count === void 0 ){

count = 0;
SCROLL = getScroll();

}

if( count++ < divCountScroller ){

var c = count/divCountScroller ;

var nx = SCROLL.x+( x-SCROLL.x )*( c+edging/(100*Math.PI)*Math.sin( Math.PI*c ) );
var ny = SCROLL.y+( y-SCROLL.y )*( c+edging/(100*Math.PI)*Math.sin( Math.PI*c ) );

window.scrollTo( nx, ny )
;

setTimeout( "scroller("+x+","+y+","+edging+","+count+");", 30); //数字が小さいほど早い。
}

}
/////////////////////////////////////////////////////// 
<!--
function MM_callJS(jsStr) { //v2.0
  return eval(jsStr)
}
//-->