/* Cookie handling */

function setCookie(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 getCookie(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 clearCookie(name) {
	createCookie(name,"",-1);
}

/* Menu handling */

function menuInit(id) {
    if (getCookie(id)) $(id).show();
    else $(id).hide();
}

function menuClick(id) {
    $(id).toggle();
    setCookie(id, $(id).visible() ? '1' : '', 3650);
}