rem: return; 
add: return false; 
context: 	function addTreeElements(nodes, rootUl, styleClassName, selectedGroups) {		if (nodes == null) {			return;		}				for (var i = 0; i < nodes.length; i++) {			var liElement = document.createElement('li');			liElement.setAttribute('id', nodes[i].uniqueId + 'li');			var groupName = document.createElement('span');			groupName.setAttribute('id', nodes[i].uniqueId);			if (styleClassName != null) {				groupName.setAttribute('class', styleClassName);			}			if (isGroupSelected(selectedGroups, nodes[i].uniqueId)) {				groupName.style.fontWeight = 'bold';			}			else {				groupName.style.fontWeight = 'normal';			}			var text = document.createTextNode(nodes[i].name);			groupName.appendChild(text);			liElement.appendChild(groupName);						if (nodes[i].hasChildren == true) {				var ulElement = document.createElement('ul');				ulElement = addTreeElements(nodes[i].children, ulElement, styleClassName, selectedGroups);				ulElement.setAttribute('class', 'tree_drag_drop');				liElement.appendChild(ulElement);			}			rootUl.appendChild(liElement);		}		return rootUl;	}
meta: 5875	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/5875/f3a5cd8bcb8f556375ab8bfbf7d28f52a4e772ba/groupTree.js/clean/resources/javascript/groupTree.js