rem: var f = function(el) { if (this.hasClass(el, className)) { return; } 
add: var f = function(el) { if (this.hasClass(el, className)) { return; } 
context:       addClass: function(el, className) {         var f = function(el) {            if (this.hasClass(el, className)) { return; } // already present            logger.log('addClass adding ' + className, 'info', 'Dom');            el['className'] = [el['className'], className].join(' ');         };         util.Dom.batch(el, f, util.Dom, true);      },
meta: 4707	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/4707/50c3492c4c3c825dbd3401e134a19ed46799c456/dom-debug.js/buggy/www/resources/yui/dom/dom-debug.js