// scroll
function sctop(l){
		var yP = document.body.scrollTop || document.documentElement.scrollTop;
		sc_top(l,yP);
}
	
function sc_top(l,y){
	y = y + (l - y)*.08;	// sokudo
	window.scroll(0,y);
	if (((l - y) <= .5)&&((l - y) >= -.5))
	{					
		y = l;
	}else{
		setTimeout("sc_top("+l+","+y+")",1);
	}
}