Fordi

(function () {
	var sayHi = function (token) {
			if (!token.progress) token.progress = {};
			token.progress.saidHi = (token.progress.saidHi||0) + 1;
			//true == simply proceed; false == reject workflow
			return true;
		},
		shakeIt = function (token, next) {
			token.progress.shook = (token.progress.shook||0) + 1;
			next('right');

dsc

(function(){

/**
 * Function.asyncChain( fn, [...] ) -> Function
 * 
 * Takes any number of callback functions and returns a scheduler function 
 * which manages the chain. Each supplied callback to should take one 
 * argument, the scheduler, to execute with no arguments when it completes.
 * 
 * Example: