// JavaScript Document



var up_timer



function getPosition(){

	yoko = document.body.scrollLeft || document.documentElement.scrollLeft;

	tate = document.body.scrollTop  || document.documentElement.scrollTop;



}



function pageup(x,y){

	if(up_timer) clearTimeout(up_timer);

	if(y >= 1){

		getPosition();

		var divisionY = (tate-(tate/5));

		var Y = Math.floor(divisionY);

		window.scrollTo(yoko,Y);

		up_timer = setTimeout("pageup("+yoko+","+Y+")",2);

	}else{

		window.scrollTo(yoko,0);

		clearTimeout(up_timer);

	}

}



function scrollup(){

		getPosition();

		pageup(yoko,tate)

}