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

}



function click() {

if (event.button==2) {

alert('Ban Quyen Thuoc NhipCauTraiTim')

}

}

document.onmousedown=click