rem: node.className = eregReplace('(^| )'+ className +'($| )', '', node.className); 
add:  node.className = eregReplace('(^|\\s+)'+ className +'($|\\s+)', ' ', node.className); 
context: function removeClass(node, className) {  if (!hasClass(node, className)) {    return false;  }  node.className = eregReplace('(^| )'+ className +'($| )', '', node.className);  return true;}
meta: 3097	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/3097/c3324b9a5049f0e8152fbc57e624a685621aa16c/drupal.js/buggy/misc/drupal.js