cookieName="page_scroll"
expdays=365

function setCookie(name, value, expires, path, domain, secure){
	if (!expires) {expires = new Date()}
	document.cookie = name + "=" + escape(value) + 
	((expires == null) ? "" : "; expires=" + expires.toGMTString()) +
	((path == null) ? "" : "; path=" + path) +
	((domain == null) ? "" : "; domain=" + domain) +
	((secure == null) ? "" : "; secure")
}

function getCookie(name) {
	var arg = name + "=";
	var alen = arg.length;
	var clen = document.cookie.length;
	var i = 0;
	while (i < clen) {
		var j = i + alen;
		if (document.cookie.substring(i, j) == arg) {
			return getCookieVal(j);
		}

		i = document.cookie.indexOf(" ", i) + 1;
		if (i == 0) break;
	}
	return null
}

function getCookieVal(offset){
	var endstr = document.cookie.indexOf (";", offset);
	if (endstr == -1) {
		endstr = document.cookie.length;
	}
	return unescape(document.cookie.substring(offset, endstr));
}

function deleteCookie(name,path,domain){
	document.cookie = name + "=" +
	((path == null) ? "" : "; path=" + path) +
	((domain == null) ? "" : "; domain=" + domain) +
	"; expires=Thu, 01-Jan-00 00:00:01 GMT";
}

function saveScroll(){
	var expdate = new Date ();
	expdate.setTime (expdate.getTime() + (expdays*24*60*60*1000)); // expiry date

	var x = (document.pageXOffset?document.pageXOffset:document.body.scrollLeft);
	var y = (document.pageYOffset?document.pageYOffset:document.body.scrollTop);
	Data = x + "_" + y
	setCookie(cookieName,Data,expdate)
}

function loadScroll(){
	inf = getCookie(cookieName);
	if (!inf) {return}
	var ar = inf.split("_");
	if (ar.length == 2){
		window.scrollTo(parseInt(ar[0]), parseInt(ar[1]))
	}
}

// add onload="loadScroll()" onunload="saveScroll()" to the opening BODY tag