var nowPos = 0;
var PosX = 0;
var num = 0;
var nowMove = 0;

function scrollingto(atPos, step){

	if (!document.getElementById) return;

	if(num == step + 1){
		nowMove = 0;
		nowPos = atPos;
		num=0;
		return;
	}
	if(nowMove==0){
		ratio = ((atPos - nowPos) * 751) / step;
		num = 0;
		nowMove = 1;
	}
	if(nowMove==1){
		PosX = nowPos * 751 + ratio * num;
		scrl.scroll(PosX,0);
		setTimeout("scrollingto("+atPos+","+step+")",10);
		num++;
	}
}