function getObject(which) {
	var obj;
	if (typeof(which) == "object") {
		obj = which;
	} else if (typeof(which) == "string") {
		obj = document.getElementById(which);
	} else {
		obj = null;
	}
	
	return obj;
}
function show(which) {
	var obj = getObject(which);
	if (obj) obj.style.visibility = "inherit";
}
function hide(which) {
	var obj = getObject(which);
	if (obj) obj.style.visibility = "hidden";
}
function toggleNavMenu(that,key) {
	var theMenu = that.parentNode.parentNode;
	if (theMenu.className.indexOf(' open') > -1) {
		theMenu.className = theMenu.className.substring(0,theMenu.className.indexOf(' open'));
		setMenuClosed(key);
	} else {
		theMenu.className = theMenu.className + ' open';
		setMenuOpen(key);
	}	
	return false;
}

function isMenuOpen(key) {
	if(key)
	{
		var qs_open = getCookie(TWIZZLER_COOKIE);
		if(jsQSGet(qs_open,key))
			return true;
	}
	
	return false;
}


function jsQSGet(qs,field) {

	if((!qs) || (!field))
		return '';

	var field_found = qs.indexOf('&' + field + '=');
	if(field_found>-1)
	{
		qs = qs.substring(field_found + field.length + 2);
		var value = qs.split("&");
		
		return qs = unescape(value[0]);
	}

	return '';
}

function setMenuOpen(key) {
	if(key)
	{
		var qs_open = getCookie(TWIZZLER_COOKIE);
		qs_open = jsQSSet(qs_open,key,'open');
		setCookie(TWIZZLER_COOKIE, qs_open, "", "/");
	}
}
function setMenuClosed(key) {
	if(key)
		var qs_open = getCookie(TWIZZLER_COOKIE);
		qs_open = jsQSSet(qs_open,key,'');
		setCookie(TWIZZLER_COOKIE, qs_open, "", "/");
}
function jsQSGet(qs,field) {

	if((!qs) || (!field))
		return '';

	var field_found = qs.indexOf('&' + field + '=');
	if(field_found>-1)
	{
		qs = qs.substring(field_found + field.length + 2);
		var value = qs.split("&");
		
		return qs = unescape(value[0]);
	}

	return '';
}
function jsQSSet(qs,field,value) {
	
	if(!field)
		return qs;

	var new_qs = '';

	var field_found = qs.indexOf('&' + field + '=');
	if(field_found>-1)
	{
		new_qs = qs.substring(0,field_found);
		qs = qs.substring(field_found + field.length + 2);
		var seperator_found = qs.indexOf('&');
		if(seperator_found>-1)
			new_qs = new_qs + qs.substring(seperator_found);
	}
	else
	{
		new_qs = qs;
	}

	if(value)
		new_qs = new_qs + '&' + field + '=' + escape(value);

	return new_qs;
}
function getExpDate(days, hours, minutes) {
	var expDate = new Date();
	if (typeof days == "number" && typeof hours == "number" && typeof minutes == "number") {
		expDate.setDate(expDate.getDate() + parseInt(days));
		expDate.setHours(expDate.getHours() + parseInt(hours));
		expDate.setMinutes(expDate.getMinutes() + parseInt(minutes));
		return expDate.toGMTString();
	}
}
function getCookieVal(offset) {
	var endstr = document.cookie.indexOf (";", offset);
	if (endstr == -1) {
		endstr = document.cookie.length;
	}
	return unescape(document.cookie.substring(offset, endstr));
}
function getCookie(name) {
	var arg = name + "=";
	var alen = arg.length;
	var clen = document.cookie.length;
	var i = 0;
	while (i < clen) {
		var j = i + alen;
		if (document.cookie.substring(i, j) == arg) {
			return getCookieVal(j);
		}
		i = document.cookie.indexOf(" ", i) + 1;
		if (i == 0) break; 
	}
	return "";
}
function setCookie(name, value, expires, path, domain, secure) {
	document.cookie = name + "=" + escape(value) +
		((expires) ? "; expires=" + expires : "") +
		((path) ? "; path=" + path : "") +
		((domain) ? "; domain=" + domain : "") +
		((secure) ? "; secure" : "");
}
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";
	}
}

var TWIZZLER_COOKIE = "FSTwizzler";