rem: var tween = this.$attributes.$tween; if (tween) tween.stop(); if (options || !tween) tween = new Fx.Tween(this, property, options); this.$attributes.$tween = tween; tween.start(value); 
add: if (options) this.set('tween', options); this.get('tween', property).stop().start(value); 
context: 	tween: function(property, value, options){		var tween = this.$attributes.$tween;		if (tween) tween.stop();		if (options || !tween) tween = new Fx.Tween(this, property, options);		this.$attributes.$tween = tween;		tween.start(value);		return this;	},
meta: 7052	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/7052/cf9bd1d580fbe074c73fa62d56c87355403d8aac/Fx.Tween.js/clean/Source/Effects/Fx.Tween.js