add: this.options.duration = ({slow: 750, fast: 250, normal: 500})[this.options.speed] || this.options.duration; 
context: 	initialize: function(element, options){		this.element = element;		this.setOptions(options);	},
meta: 9980	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/9980/db6144f9b2b79ac576255f44c16b0d259778bdee/Fx.js/buggy/Source/Effects/Fx.js