/*
Ž¥ŽÚŽ¡Ž¼Ž¥Ž¸Ž¤ŽÎŽ¥ŽÈŽ¥ŽÃŽ¥Ž×Ž¤ŽØŽ¥Ž¹Ž¥Ž¯Ž¥ú£Ž¼Ž¥ö¦Ž·Ž¤ŽÆŽ°ŽÜŽÆŽ°
(c)Sapphirus.Biz

HREFŽ¤ŽËŽ¡ŽÖ#TOPŽ¡Ž×Ž¡ŽÊŽÂîÌŽ¸Ž»€€Ž¦Ž¾Ž®ŽÊŽ¸Ž»€€ŽÎŽ¶ðÌŽÌŽ¤ŽÏŽÌŽµŽ¤Ž·Ž¡ŽËŽ¤Ž¬Ž¤Ž¢Ž¤ö§ô§€€Ž¯Ž¤ò
Ž¥Ž¯Ž¥ô§ŽÃŽ¥Ž¯Ž¤Ž·Ž¤Ž¿Ž¾ø»î£Ž¢Ž¥Ž¹Ž¥Ž¯Ž¥ú£Ž¼Ž¥ö¦Ž·Ž¤ŽÆŽ¥ŽÚŽ¡Ž¼Ž¥Ž¸Ž¤ŽÎŽ°øÊŽÖŽ¾ê¦ŽËŽ°ŽÜŽÆŽ°Ž¤Ž·Ž¤ŽÞŽ¤Ž¹Ž¡Ž£
Ex.) <a href="#TOP">PAGE TOP</a>
*/
function setGoTop() {
	var aTagList = document.getElementsByTagName('a');
	for (var i = 0; i < aTagList.length; i++) {
		if (aTagList[i].href.match(/#top/i)) {
			aTagList[i].onclick = goPageTop;
		}
	}
}
var goTopMove = 20; // Ž²ŽÃŽÂŽ®ŽÅŽÙŽ¡ŽÊ0:ŽÄ轎ߎ¡ŽÁŽÂ­Ž¤Ž¤Ž¤ŽÛŽ¤ŽÉŽÃŽÙŽ¤Ž¯Ž¤ŽÊŽ¤ö£ŽË
var goTopPosi;
function goPageTop() { // Žµ€€Ž¥Ž¼ðÈŽÀŽ¤ŽÈŽ¼ŽÂŽ¹ŽÔ
	var yPos = document.body.scrollTop || document.documentElement.scrollTop;
	mObj(yPos);
	return false;
}
function mObj(y, s) { // Ž¾ê¦ŽËŽ²ŽÃŽÂŽ®Ž°ŽÜŽÆŽ°
	if (s) goTopMove = s;
	goTopPosi = parseInt(y - y * 2 / goTopMove);
	scrollTo(0, goTopPosi);
	if (goTopPosi > 0) setTimeout('mObj(goTopPosi, goTopMove)', 1);
}
if (window.addEventListener) window.addEventListener('load', setGoTop, false);
if (window.attachEvent) window.attachEvent('onload', setGoTop);