RobertWHurst · December 18, 2012 20:24
diff --git a/cookie.js b/cookie.js
 function cookie(key, value, domain, path, expires) {
  var cookies, cI, cookie;
 
 	if(typeof path === 'number') {
 		expires = path;
 		path = undefined;
 	}
 	if(typeof domain === 'number') {
 		expires = domain;
 		domain = undefined;
 		path = undefined;
 	}
 
 	domain = domain || '';
 	path = path || '';
 	expires = expires || '';
 
 	if(typeof key !== 'string') { throw new Error('Cannot get or set cookie. key must be a string'); }
 	if(typeof domain !== 'string') { throw new Error('Cannot get or set cookie. if given domain must be a string'); }
 	if(typeof path !== 'string') { throw new Error('Cannot get or set cookie. if given path must be a string'); }
 	if(expires && typeof expires !== 'number') { throw new Error('Cannot get or set cookie. if given expires must be a number'); }
 
 	//delete
 	if(value === false) {
 		document.cookie = escape(key) + '=; max-age=0';
 	}
 
 	//set
 	else if(typeof value !== 'undefined') {
 		domain && (domain = '; domain=' + domain);
 		path && (path = '; path=' + path);
 		expires && (expires = '; max-age=' + Math.round(expires / 1000));
 		document.cookie = escape(key) + '=' + escape(value) + domain + path + expires;
 	}
 
 	//get
 	else {
 		//check for a cookie and return it if it exists. If it does not then return false
 		if((new RegExp("(?:^|;\\s*)" + escape(key).replace(/[\-\.\+\*]/g, "\\$&") + "\\s*\\=")).test(document.cookie)) {
 			return unescape(document.cookie.replace(new RegExp("(?:^|.*;\\s*)" + escape(key).replace(/[\-\.\+\*]/g, "\\$&") + "\\s*\\=\\s*((?:[^;](?!;))*[^;]?).*"), "$1"));
 		} else {
 			return false;
 		}
 	}
 }