rem: return (-Math.cos(pos*Math.PI)/2) + 0.5; }, 
add: return (-Math.cos(pos*Math.PI)/2) + 0.5; }, 
context:   sinoidal: function(pos) {    return (-Math.cos(pos*Math.PI)/2) + 0.5;  },
meta: 9100	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/9100/2d4247a14ff4ce25ad80cbc65b787dfde7ddb16e/effects.js/buggy/typo3/contrib/scriptaculous/effects.js