经典js

应用于所有需要只读控件

document.all.department.onbeforeactivate=function (){return false};
document.all.department.onfocus=function (){document.all.department.blur()};
document.all.department.onmouseover=function () {document.all.department.setCapture()} ;
document.all.department.onmouseout=function (){document.all.department.releaseCapture()};