function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

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 eraseCookie(name) {
	createCookie(name,"",-1);
}

function navbarState() {
				 var navbarstat = readCookie('navbar');
				 var usag = navigator.userAgent.toLowerCase();
				 
				 elem1 = document.getElementById("menu");
				 elem2 = document.getElementById("open");
				 
				 if (usag.indexOf('msie') != -1) {
						elem1.style.display = "none";
						elem2.style.display = "none";
						} else {
							if (navbarstat) {
								 if (navbarstat == "visible") {
								 elem1.style.display = "";
								 elem2.style.display = "none";
								 } else if (navbarstat == "minimized") {
								 elem1.style.display = "none";
								 elem2.style.display = "";
								 } else if (navbarstat == "closed") {
								 elem1.style.display = "none";
								 elem2.style.display = "none";
								 } else {
								 elem1.style.display = "";
								 elem2.style.display = "none";
								 }
					 		 }
						 }
}