Java Script không cho click chuột phải

function clickIE()
{
if (document.all) {(message);return false;}}

function clickNS(e)
{
if (document.layers||(document.getElementById&&!document.all))
{
if (e.which==2||e.which==3) {(message);return false;}
}
}
if (document.layers)
{
document.captureEvents(Event.MOUSEDOWN);document.o nmousedown=clickNS;
}
else
{
document.onmouseup=clickNS;document.oncontextmenu= clickIE;
}

document.oncontextmenu=new Function("return false")



chống copy text
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