How to Disable Right Click using JavaScript

Disable right click on your pages:

1. <script language="Javascript">  
2. function not_right_click() {  
3. var msg = 'not permission to right click';  
4. if (event.button == 2) {  
5. alert(msg);  
6. }  
7. }  
8. document.onmousedown=not_right_click;  
9. </script>