if (opacity = (Element.getStyle(element, 'filter') || '').match(/alpha\(opacity=(.*)\)/)) 
if (opacity = (element.getStyle('filter') || '').match(/alpha\(opacity=(.*)\)/)) 
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;  }
6445	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/6445/81ea0800bc8ad92d491743716cd489cad7333723/effects.js/clean/vendor/rails/actionpack/lib/action_view/helpers/javascripts/effects.js