function cookieCheck () {
	if (cookiesEnabled() == false) {
		alert ('You will need to enable cookies to use this page. Please enable cookies and reload.');
	}
}

function cookieCreate (name, value, expires, path, domain, secure) {
	if (name) {
		var details = name + '=' + escape(value);
		details += (expires ? '; expires=' + expires.toGMTString() : '');
		details += (path ? '; path=' + path : '');
		details += (domain ? '; domain=' + domain : '');
		details += (secure ? '; secure' : '');
		document.cookie = details;
	}
}

function cookieDelete (name) {
	var cookieExp = new Date();
	cookieExp.setMonth(-1);
	cookieCreate(name, '' , cookieExp);
}

function cookiePrep (name) {
	var cookieRegExp = new RegExp ('\\b' + name + '=([^;]*)');
	var cookieValue = document.cookie;
	cookieValue = cookieRegExp.exec(cookieValue);
	if (cookieValue != null) {
		cookieValue = cookieValue[1];
	}
	return cookieValue;
}

function cookieRead (name) {
	var cookieValue = cookiePrep(name);
	if (cookieValue != null) {
		cookieValue = unescape(cookieValue);
	}
	return cookieValue;
}

function linkBack (target) {
	var currentLoc	= top.location;
	cookieCreate('lockloc', currentLoc, null, '/');
	top.location = target;
}

function trackBack () {
	window.location = cookieRead('lockloc');
}