gistfile1.js

var TrollBot = {
	mod_hash: undefined,
	
	postComment: function(to_username, text) {
		if (!mod_hash) {
			// just wait a second
			setTimeout(this.postComment, 1000);
		} else {
			request.post( //.....blah blah blah
				);
		}
	},

	login: function(username, passwd) {
		request.post({url: 'http://www.reddit.com/api',
					  qs: {
						username: username,
					 	passwd: passwd,
					 	api_type: 'json'
					  }},
					  function (err, res, body) {
					  	this.mod_hash = body['data']['modhash']; // or whatever
					  });
	}
}