this.timer = this.step.periodical(Math.round(1000/this.options.fps), this); 
this.timer = this.step.periodical(Math.round(1000 / this.options.fps), this); 
	start: function(from, to){		if (!this.options.wait) this.stop();		else if (this.timer) return this;		this.from = from;		this.to = to;		this.time = $time();		this.timer = this.step.periodical(Math.round(1000/this.options.fps), this);		this.fireEvent('onStart', this.element);		return this;	},
7087	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/7087/7d2be10b3af4ab12969bb1bf312d807abdba985b/Fx.Base.js/clean/Effects/Fx.Base.js