easyui tree 选中节点 取消选中节点

var selected = $('#orgTree').tree('getChecked');			    	
					for(var i=0;i<selected.length;i++){
						$('#orgTree').tree('uncheck',selected[i].target)													
					}
   				

				var ids =$("#brViewBranch").val().split(",");
				for(var i=0;i<ids.length;i++){
					var node = $('#orgTree').tree('find',ids[i]);
					$('#orgTree').tree('check',node.target)
				}