select转移工具箱

select转移工具箱(3)                         transferIndex --;
                    }
                }
            }
            //没有设置移动到顶端标志
            else
            {
                if(oSelect.options[selIndex].selected)
                {
                    if(selIndex > 0)
                    {
                        if(!oSelect.options[selIndex - 1].selected)
                            oSelect.options[selIndex].swapNode(oSelect.options[selIndex - 1]);
                    }
                }
            }
        }
    }
    //如果是单选--------------------------------------------------------------------