//ړIʒuւ̃XN[ia^OȂǂɎwj
function scroll(){
GO=setInterval("SC()",25); 
}

function SC(){
//DOCTYPE錾̗LAɂăXN[ʒu̎擾@قȂ
var scroll_y=document.body.scrollTop || document.documentElement.scrollTop;
SCY=-scroll_y/5
window.scrollBy(0,SCY)
if(Math.abs(SCY)<=1){
clearInterval(GO)
}
}