rem: this.options.duration = Fx.Durations[this.options.duration] || this.options.duration; 
add: this.options.duration = parseInt(Fx.Durations[this.options.duration] || this.options.duration); 
context: 	initialize: function(options){		this.setOptions(options);		this.options.duration = Fx.Durations[this.options.duration] || this.options.duration;	},
meta: 9980	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/9980/b9271ab02f2d7a26b7ca3213ee0a945e55c0c6ab/Fx.js/buggy/Source/Fx/Fx.js