function getexpirydate(nodays){
	var UTCstring;
	Today = new Date();
	nomilli=Date.parse(Today);
	Today.setTime(nomilli+nodays*24*60*60*1000);
	UTCstring = Today.toUTCString();
	return UTCstring;
}
function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}
function toggleMenu(menuID) {
	var x = readCookie('menuCookie');
	if(document.getElementById(menuID).style.display == 'none') {
		document.getElementById(menuID).style.display = 'inline';
		if(x) {
			var newMenuCookie = x + ',' + menuID;
		} else {
			var newMenuCookie = menuID;
		}
		cookiestring="menuCookie="+newMenuCookie+";EXPIRES="+getexpirydate('365')+"; path=/";
		document.cookie=cookiestring;
	} else {
		var menuCookie = x.split(',');
		for(i=0; i<menuCookie.length; i++) {
			if(menuCookie[i] != menuID) {
				if(newMenuCookie) {
					var newMenuCookie = newMenuCookie + ',' + menuCookie[i];
				} else {
					var newMenuCookie = menuCookie[i];
				}

			}

		}
		if(newMenuCookie == null) { var newMenuCookie = ''; }
		cookiestring="menuCookie="+newMenuCookie+";EXPIRES="+getexpirydate('365')+"; path=/";
		document.cookie=cookiestring;
		document.getElementById(menuID).style.display = 'none';
	}
}
function confirmDelete() {
	var agree=confirm("Er du sikker?");
	if (agree) {
		return true;
	} else {
		return false;
	}
}