// Bill Dortch's cookie functions


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


function fixCookieDate(date) {
	var base = new Date(0);
	var skew = base.getTime();
	if (skew > 0) { date.setTime (date.getTime() - skew) }
}


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 setCookie(name,value,expires,path,domain,secure) {
	document.cookie = name + "=" + escape (value) + ((expires) ? "; expires=" + expires.toGMTString() : "") + ((path) ? "; path=" + path : "") + ((domain) ? "; domain=" + domain : "") + ((secure) ? "; secure" : "");
}


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";
	}
}