/**********************************
	powerd by kkk 2007 09 01
	ENKEI window scroller Module

	http://ultraworks.jp/

**********************************/

function get_scroll(){
   return {
      x: document.body.scrollLeft || document.documentElement.scrollLeft,
      y: document.body.scrollTop  || document.documentElement.scrollTop
   };
}

function set_scroll(point){
	document.body.scrollLeft = document.documentElement.scrollLeft = point.x;
	document.body.scrollTop = document.documentElement.scrollTop = point.y;
}

function topslide(idName){
	var point = get_scroll();
	point.y -= point.y/20;
	set_scroll(point);
	timeout = window.setTimeout("topslide()",0.01*1000);
	if(point.y <= 0) clearTimeout(timeout);
}