var base = new Date(0)
var dateAdjustment = base.getTime()

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

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 DeleteCookie (name,path,domain) {
	if (GetCookie(name)) {
		document.cookie = name + "=" +
		((path) ? "; path=" + path : "") +
		((domain) ? "; domain=" + domain : "") +
		"; expires=Thu, 01-Jan-70 00:00:01 GMT";
		}
	}

function saveCookie(cookieName, cookieValue)
{
        	
        	var expDate = new Date()
        	var dateInSecs = expDate.getTime()
        	var oneYearFromNow = (52 * 7 * 24 * 60 * 60 * 1000) + dateInSecs - (2 * dateAdjustment)
        	expDate.setTime(oneYearFromNow);        
                var expParam = "; expires=" + expDate.toGMTString()
                document.cookie = escape(cookieName) + "=" + escape(cookieValue) + expParam
}