var Cookies = {};

Cookies.set = function(name, value) {
	var argv = arguments;
	var argc = arguments.length;
	var expires = (argc > 2) ? argv[2] : null;
	var path = (argc > 3) ? argv[3] : '/';
	var domain = (argc > 4) ? argv[4] : null;
	var secure = (argc > 5) ? argv[5] : false;
	document.cookie = name + "=" + encodeURIComponent(value)
			+ ((expires == null) ? "" : ("; expires=" + expires.toGMTString()))
			+ ((path == null) ? "" : ("; path=" + path))
			+ ((domain == null) ? "" : ("; domain=" + domain))
			+ ((secure == true) ? "; secure" : "");
};

Cookies.get = function(name) {
	// alert(document.cookie);
	var arg = name + "=";
	var alen = arg.length;
	var clen = document.cookie.length;
	var i = 0;
	var j = 0;
	while (i < clen) {
		j = i + alen;
		if (document.cookie.substring(i, j) == arg)
			return Cookies.getCookieVal(j);
		i = document.cookie.indexOf(" ", i) + 1;
		if (i == 0)
			break;
	}
	return null;
};

Cookies.clear = function(name) {
	if (Cookies.get(name)) {
		var expdate = new Date();
		expdate.setTime(expdate.getTime() - (86400 * 1000 * 1));
		Cookies.set(name, "", expdate);
	}
};

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