<script language=”javascript”>
function click() {
if (event.button==2) {
alert(‘Xin loi, chuot phai khong co tac dung!’)
}
}
document.onmousedown=click
</script>
do?n mã th? 2, không cho ch?n m?t do?n van b?n
<SCRIPT language=JavaScript1.2>
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
}
</SCRIPT>