rem: var items = getElementsByClass('idx_dir',obj,'a') 
add: var items = getElementsByClass('idx_dir',obj,'a'); 
context:     treeattach: function(obj){        if(!obj) return;        var items = getElementsByClass('idx_dir',obj,'a')        for(var i=0; i<items.length; i++){            var elem = items[i];            // attach action to make the link clickable by AJAX            addEvent(elem,'click',function(event){ return index.toggle(event,this); });        }    },
meta: 2254	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/2254/a7e8a98c6cb8ee464ea4d30c0c46b69ed53eebf0/index.js/clean/lib/scripts/index.js