var Cookie = {
	set: function(name, value, seconds){
		var expiry = '';
		if (seconds) {
			var d = new Date();
			d.setTime(d.getTime() + (seconds * 1000));
			expiry = '; expires=' + d.toGMTString();
		}
		document.cookie = name + "=" + value + expiry + "; 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;
	},
	unset: function(name){
		Cookie.set(name,'',-1);
	}
};