// ブラウザ判別
LCB_version = 3.1;
// _mac : true = macintosh, false = other os
mac   =navigator.userAgent.toLowerCase().indexOf('mac')!=-1;
// _ie512 : true = MSIE 5.12(mac), false = others
ie512 =navigator.userAgent.toLowerCase().indexOf('msie 5.12')!=-1;
// _kon : true = konqueror, false = others
kon   =navigator.userAgent.toLowerCase().indexOf('konqueror')!=-1;
// _safari : true = safari, false = others
safari=navigator.userAgent.toLowerCase().indexOf('safari')!=-1;
// _dom : kind of DOM.
//        IE4 = 1, IE5+ = 2, NN4 = 3, NN6+ = 4, others = 0
dom = document.all?(document.getElementById?2:1):
                    (document.getElementById?4:
                    (document.layers?3:0));
//createLayerNo = 0;                    // layer no.

function getWinYOffset(){
	if(dom==4)            return window.scrollY;
  //if(dom==2 || dom==1) return document.body.scrollTop;
	if(dom==2 || dom==1) return (document.compatMode == "CSS1Compat")?
                document.documentElement.scrollTop: document.body.scrollTop;
  if(dom==3)            return window.pageYOffset;
  return 0;
}

//一度のスクロールで進む量
offset = 60;

//スクロールスピード（間隔）
speed = 5;

y = i = 0;
function scroll() {
	//slide_wid = 
	slide_wid = getWinYOffset();
	//alert(slide_wid);
	//else { y -= slide_wid; mode = 2; }
	//if (y >= max_width) { mode = 0; y = 0; }
	//else if (y < 0) { mode = 0; y = max_width - slide_wid; }
	//if (mode) slide();
	slide();
}

function slide() {
   self.scrollBy(0,-offset);
   //else if (mode == 2) self.scrollBy(0,-offset);
 	 if (++i < slide_wid / offset) setTimeout('slide()',speed);
   else i = 0;
}