rem: if (!(element = $(element))) return; return Element.classNames(element).remove(className); 
add: element = $(element); if (!element) return; var newClassName = ''; var a = element.className.split(' '); for (var i = 0; i < a.length; i++) { if (a[i] != className) { if (i > 0) newClassName += ' '; newClassName += a[i]; } } element.className = newClassName; 
context:   removeClassName: function(element, className) {    if (!(element = $(element))) return;    return Element.classNames(element).remove(className);  },
meta: 3991	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/3991/57687341792749db94b850962ee7ed7f18e1087d/prototype.js/clean/manager/media/script/scriptaculous/prototype.js