/* 表示位置固定
----------------------------------------------- */
window.onload = function() { positioning()}
window.onresize = function() { positioning()}

function positioning() {
	var nv = navigator.userAgent;
	var bt = document.getElementById("pageup");
	if (nv.match(new RegExp("MSIE 6", "i"))) { floatbt(); }
	else {
bt.style.position = "fixed";
bt.style.left = (document.body.offsetWidth / 2) + -680 + "px";
bt.style.top = "0px";
	}
	try{ tabCheck(); }
	catch(e){}
}
function floatbt() {
	var bt = document.getElementById("pageup");
	bt.style.position = "absolute";
	bt.style.left = (document.body.offsetWidth / 2) + -680 + "px";
	bt.style.top = "0px";
	setTimeout("floatbt()", 20);
}

/* page up
----------------------------------------------- */
function pageup() {
	var mode = (document.compatMode && document.compatMode=="CSS1Compat");
	if (mode) { posi = document.documentElement.scrollHeight; }
	else { posi = document.body.scrollHeight; }
	moveObje(posi);
}
function moveObje(position) {
	move = position / 10;
	point = parseInt(position - move);
	scrollTo(0,point);
	if (point > 0) { setTimeout("moveObje(point)",1); }
}