Prevent Image Copying - Prevent Right Click
   
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GraphicsAcademy.com  >  Tutorials  >  Prevent Image Copying  >  Chapter 1

How To Prevent Image Copying

Chapter 1: Prevent Right Click

Probably the most common way to prevent copying is to use a little JavaScript to prevent users right clicking on an image and doing Save As...
(If you're not familiar with JavaScript or just want to learn more, then get yourself a good JavaScript Tutorial).

Below is an example of such code (insert it in the <HEAD> section of your HTML pages). Unlike most code of this type (most people seem to get it wrong), this should code work with both with Netscape and Internet Explorer.

<SCRIPT LANGUAGE="JavaScript"><!--
var message = 'Please respect our Copyright.' ;
function clickie() {
if (document.all) {
alert(message);
return false; } }
function clickns(e) {
if (document.layers||(document.getElementById&&!document.all)) {
if (e.which==2 || e.which==3) {
alert(message);
return false; } } }
if (document.layers) {
document.captureEvents(Event.MOUSEDOWN);
document.onmousedown=clickns;
} else {
document.onmouseup=clickns;
document.oncontextmenu=clickie;
}
// --></SCRIPT>

This idea works reasonably well but it's not totally secure: users can get around it by (for example) disabling JavaScript.

Another issue with this script is that it can be kind of annoying:
  • The script displays a message if the user does try to right-click. Some webmasters might prefer to simply silently prevent right-clicks.

  • Users are forbidden to right-click anywhere on the web page. This stops "legitimate" right clicks (for example to open an image in a new browser window).
Of course, you can improve the script fix these annoyances... but you'll want to do so in a way that works with both Netscape and Internet Explorer... so if you prefer an easy life, you'll probably prefer to use Image Protection Rocket to generate the exact type of anti-right click script that you want.




  
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