// returns the decoded value of a cookie
function getCookieVal(offset) {
	var endstr = document.cookie.indexOf(";", offset);
	if (endstr == -1)
		endstr = document.cookie.length;
	return unescape(document.cookie.substring(offset, endstr));
}

// returns the value of the specified cookie, or null
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 "";
}

// creates or updates a cookie - Iven added variable nSeconds
function setCookie(name, value, nSeconds) {
	var argv = setCookie.arguments;
	var argc = setCookie.arguments.length;
	var dtExpires = new Date((new Date()).getTime() + 1000 * nSeconds);
	document.cookie = name + "=" + escape(value) +"; expires=" + dtExpires.toGMTString()
}

// creates or updates a temporary cookie
function setCookieTemp(name, value) {
	var argv = setCookieTemp.arguments;
	var argc = setCookieTemp.arguments.length;
	document.cookie = name + "=" + escape(value)
}

// deletes a cookie
function deleteCookie(name) {
	var exp = new Date();
	exp.setTime(exp.getTime() - 1);
	var cval = getCookie(name);
	if (cval != null)
		document.cookie = name + "=" + cval + "; expires=" + exp.toGMTString();
}

function logOut() {
	deleteCookie('uname');
	window.location = "/prsol/pr.nsf?Logout"
}