/**
  /##½ûֹѡȡ
  /##½ûÖ¹ÓÒ¼ü
**/
function disableselect(e){
return false}
function reEnable(){return true
}
//if IE4+
document.onselectstart=new Function ("return false")
//if NS6
if (window.sidebar){
document.onmousedown=disableselect
document.onclick=reEnable
}