Effect.DelayedChain = Class.create();
Object.extend(Effect.DelayedChain.prototype, {
    initialize: function(effect, elements, options, timeout){
        this.elements = elements;
        this.effect = effect;
        this.timeout = timeout || 100;
        this.options = Object.extend({}, options || {});

        this.afterFinish = this.options.afterFinish || Prototype.emptyFunction;
        this.options.afterFinish = Prototype.emptyFunction;
        setTimeout(this.action.bind(this),1);
    },
    action: function() {
        if(this.elements.length){ 
            new Effect[this.effect](this.elements.shift(), this.options);
            setTimeout(this.action.bind(this), this.timeout);
        } else {
            if(this.afterFinish) this.afterFinish();
        }
    }
});

Effect.Chain = Class.create();
Object.extend(Effect.Chain.prototype, {
    initialize: function(effect, elements, options){
        this.elements = elements || [];
        this.effect = effect;
        this.options = options || {};
        this.afterFinish = this.options.afterFinish || Prototype.emptyFunction;
        this.options.afterFinish = this.nextEffect.bind(this);
        setTimeout(this.nextEffect.bind(this), 1);
    },
    nextEffect: function(){
        if(this.elements.length)
			new Effect[this.effect](this.elements.shift(), this.options);
		else
            this.afterFinish();
    }
});