// 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) {
  name = name.replace(/\s/g, "_");
	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) {
  name = name.replace(/\s/g, "_");
	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 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";
	}
}

function show(foo,f) {
	$(foo).style.display = "block";
	if (f) { setCookie(foo, "o"); }
}

function hide(foo,f) {
	$(foo).style.display = "none";
	if (f) { setCookie(foo, "c"); }
}

function toggle_menu(foo) {
	if ($(foo).style.display == "none") {
		show(foo);

		setCookie(foo, "o");
			
	} else {
		if ($(foo).style.display == "block") {
			hide(foo,1);
		} else {
			show(foo,1);
		}
	}
	
//	moveSpacers();
}

//
// Set client offset (in minutes) to a cookie to avoid server-side DST issues
// Added 7/25/03 by Jeremy Jongsma (jjongsma@tickchat.com)
//
var expires = new Date();
var offset = -(expires.getTimezoneOffset() * 60);
expires.setFullYear(expires.getFullYear() + 1);
setCookie("tz_offset", offset, expires, "/");
