// Modified from Bill Dortch's Cookie Functions (hidaho.com) 
// (found in JavaScript Bible)
function lrnSetCookie(name, value, days, path, domain, secure) {
	var expires, date;
	if (typeof days == 'number') {
		date = new Date();
		date.setTime(date.getTime() + (days * 24 * 60 * 60 * 1000));
		expires = date.toGMTString();
	}
	document.cookie = name + '=' + escape(value) +
		((expires) ? '; expires=' + expires : '') +
		((path) ? '; path=' + path : '') +
		((domain) ? '; domain=' + domain : '') +
		((secure) ? '; secure' : '');
}

// Modified from Jesse Chisholm or Scott Andrew Lepera ?
// (found at both www.dansteinman.com/dynapi/ and www.scottandrew.com/junkyard/js/)
function lrnGetCookie(name) {
	var nameq = name + '=';
	var c_ar = document.cookie.split(';');
	for (var i=0; i < c_ar.length; i++) {
		var c = c_ar[i];
		while (c.charAt(0) == ' ') c = c.substring(1, c.length);
		if (c.indexOf(nameq) == 0) return unescape(c.substring(nameq.length, c.length));
	}
	return null;
}

// from Bill Dortch's Cookie Functions (hidaho.com) 
function lrnDeleteCookie(name, path, domain) {
	if (lrnGetCookie(name)) {
		document.cookie = name + '=' +
			((path) ? '; path=' + path : '') +
			((domain) ? '; domain=' + domain : '') +
			'; expires=Thu, 01-Jan-70 00:00:01 GMT';
	}
}