function ejs_nodroit()
  {
  return(false);
  }

document.oncontextmenu = ejs_nodroit;


function ejs_nodroit()
  {
  return(false);
  }

document.oncontextmenu = ejs_nodroit;

 function ejs_nodroit() {
 alert('ممنوع أستخدام الزر الايمن'); return(false); }
document.oncontextmenu = ejs_nodroit;

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>
/*
Disable right click script II (on images)- By Dynamicdrive.com
For full source, Terms of service, and 100s DTHML scripts
Visit [url=http://[url=http://www.dynamicdrive.com]http//www.dynamicdrive.com%5B/url%5D]www.dynamicdrive.com]http://www.dynamicdrive.com[/url][/url]
*/
var clickmessage="Right click disabled no way !"
function disableclick(e) {
if (document.all) {
if (event.button==2||event.button==3) {
if (event.srcElement.tagName=="IMG"){
alert(clickmessage);
return false;
}
}
}
else if (document.layers) {
if (e.which == 3) {
alert(clickmessage);
return false;
}
}
else if (document.getElementById){
if (e.which==3&&e.target.tagName=="IMG"){
alert(clickmessage)
return false
}
}
}
function associateimages(){
for(i=0;i<document.images.length;i++)
document.images[i].onmousedown=disableclick;
}
if (document.all)
document.onmousedown=disableclick
else if (document.getElementById)
document.onmouseup=disableclick
else if (document.layers)
associateimages()
</script>