function backToTop() {
	var x1 = x2 = x3 = 0;
	var y1 = y2 = y3 = 0;
	if (document.documentElement) {
		x1 = document.documentElement.scrollLeft || 0;
		y1 = document.documentElement.scrollTop || 0;
	}
	if (document.body) {
		x2 = document.body.scrollLeft || 0;
		y2 = document.body.scrollTop || 0;
	}
	x3 = window.scrollX || 0;
	y3 = window.scrollY || 0;
	var x = Math.max(x1, Math.max(x2, x3));
	var y = Math.max(y1, Math.max(y2, y3));
	window.scrollTo(Math.floor(x / 2), Math.floor(y / 2));
	if (x > 0 || y > 0) {
		window.setTimeout("backToTop()", 25);
	}
}

window.onload = function() {
	if (!document.getElementsByTagName)
		return;
	
	var a, i = 0;
	var isIE = (document.documentElement.getAttribute("style") == document.documentElement.style);
	if (isIE) {
		while ((a = document.getElementsByTagName("a")[i++])) {
			if ("#TOP" == a.getAttribute("href",2)) {
				a.onclick = function() { backToTop(); return false; }
			}
		}
	} else {
		while ((a = document.getElementsByTagName("a")[i++])) {
			if ("#TOP" == a.getAttribute("href")) {
				a.onclick = function() { backToTop(); return false; }
			}
		}
	}
}