rem: var opacity; 
add: var opacity; 
context: Element.getOpacity = function(element){    var opacity;    if (opacity = Element.getStyle(element, 'opacity'))      return parseFloat(opacity);    if (opacity = (Element.getStyle(element, 'filter') || '').match(/alpha\(opacity=(.*)\)/))      if(opacity[1]) return parseFloat(opacity[1]) / 100;    return 1.0;  }
meta: 4973	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/4973/8a4fb45ee0b786c0e161966a0e39bf1fb97c0a2a/effects.js/clean/src/effects.js