return elements.map(function(e){ return new track.effect(e, Object.extend({ sync:true }, track.options)) }); 
return elements.map(function(e){ return new effect(e, Object.extend({ sync:true }, options)) }); 
        return elements.map(function(e){ return new track.effect(e, Object.extend({ sync:true }, track.options)) });
4999	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/4999/0c67d2a1c175fa312f232b827bd1c26b95eac0e1/effects.js/buggy/wp-includes/js/scriptaculous/effects.js