/**
 * A top-bar for promotions and notifications.
 * @author Paul Annesley <paul@99designs.com>
 */
(function(){

	var COOKIE_NAME = 'promobar-mary',
		COOKIE_DAYS = 28;

	// adapted from http://www.quirksmode.org/js/cookies.html
	
	var Cookie = {
		set: function(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=/";
		},
		get: function(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;
		}
	};

	
	if (Cookie.get(COOKIE_NAME)) return;


 	
 	jQuery(document).ready(function(){  
 	jQuery("header").before("<div id='promobar'><div class='content'><div id='showfeeds'><a href='/mary/books/index.asp?utm_source=site&utm_medium=promobar&utm_campaign=index_promotion' target='_blank' style='color:#FFF;padding-left:30px;'>新书推荐: 玛丽专家主创 <<图解怀孕40周>> 正式出版啦!   </a></div></div><div class='actions'><a class='hide' href='#hide'>关闭</a></div></div>"); 
 	jQuery('#promobar .actions .hide').bind('click', function(){
	jQuery('#promobar').fadeOut("slow");
	Cookie.set(COOKIE_NAME, '1', COOKIE_DAYS);
	});
 
  });  
  
}());