var cookieManager = {
	cookiesEnabled : function() {
		return navigator.cookieEnabled;
	},
	create : function(name, value, days) {
		if (!cookieManager.cookiesEnabled) {
			return;
		}
		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=/";
	},
	get : function(name) {
		if (!cookieManager.cookiesEnabled) {
			return null;
		}
		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;
	},
	erase : function(name) {
		cookieManager.create(name, "", -1);
	}
};