/*
 name - name of the cookie
 value - value of the cookie
 [expires] - expiration date of the cookie
 (defaults to end of current session)
 [path] - path for which the cookie is valid
 (defaults to path of calling document)
 [domain] - domain for which the cookie is valid
 (defaults to domain of calling document)
 [secure] - Boolean value indicating if the cookie transmission requires
 a secure transmission
 * an argument defaults when it is assigned null as a placeholder
 * a null placeholder is not required for trailing omitted arguments
 */
function setCookie(name, value, expires, path, domain, secure) {
	var curCookie = name + "=" + escape(value) +
	((expires) ? "; expires=" + expires.toGMTString() : "") +
	((path) ? "; path=" + path : "") +
	((domain) ? "; domain=" + domain : "") +
	((secure) ? "; secure" : "");
	document.cookie = curCookie;
};

/*
 name - name of the desired cookie
 return string containing value of specified cookie or null
 if cookie does not exist
 */
function getCookie(name) {
	var dc = document.cookie;
	var prefix = name + "=";
	var begin = dc.indexOf("; " + prefix);
	if (begin == -1) {
		begin = dc.indexOf(prefix);
		if (begin != 0) return null;
	} else
	begin += 2;
	var end = document.cookie.indexOf(";", begin);
	if (end == -1)
	end = dc.length;
	return unescape(dc.substring(begin + prefix.length, end));
};

/*
 name - name of the desired cookie
 return the number if any else 0
 */
function getIntCookie(name) {
	var cookieVal = getCookie(name);
	var cintVal = parseFloat(cookieVal);

	if (cintVal == 'NaN')
		return 0;

	return cintVal;
};

/*
 name - name of the cookie
 [path] - path of the cookie (must be same as path used to create cookie)
 [domain] - domain of the cookie (must be same as domain used to
 create cookie)
 path and domain default if assigned null or omitted if no explicit
 argument proceeds
 */
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";
	}
};

// date - any instance of the Date object
// * hand all instances of the Date object to this function for "repairs"
function fixDate(date) {
	var base = new Date(0);
	var skew = base.getTime();
	if (skew > 0)
	date.setTime(date.getTime() - skew);
};

function setTimeCookie(name, expires, path, domain, secure) {
	var d = new Date();
	var curCookie = name + "=" + escape(d.getTime()) +
	((expires) ? "; expires=" + expires.toGMTString() : "") +
	((path) ? "; path=" + path : "") +
	((domain) ? "; domain=" + domain : "") +
	((secure) ? "; secure" : "");
	document.cookie = curCookie;
};