[Xitami] a bit off topic

[Johannes Prost]

Hi Jill,

found that info on the net too, and didn't liked the idea, because of Jscript and the way around 
it. 
But thank's for the input.

Johannes

Am 24 May 2004 um 13:56 hat Jill Douglas geschrieben:

> Johannes,
> 
> You can use a simple JScript code that disables the typical visitor from
> doing a 'right-click' to save images like this:
> 
> Paste this code into the HEAD of your HTML document
> 
> <HEAD>
> 
> <SCRIPT LANGUAGE="JavaScript1.1">
> 
> <!-- Begin
> function right(e) {
> if (navigator.appName == 'Netscape' &&
> (e.which == 3 || e.which == 2))
> return false;
> else if (navigator.appName == 'Microsoft Internet Explorer' &&
> (event.button == 2 || event.button == 3)) {
> alert("Sorry, you do not have permission to right click.");
> return false;
> }
> return true;
> }
> 
> document.onmousedown=right;
> document.onmouseup=right;
> if (document.layers) window.captureEvents(Event.MOUSEDOWN);
> if (document.layers) window.captureEvents(Event.MOUSEUP);
> window.onmousedown=right;
> window.onmouseup=right;
> //  End -->
> </script>
> </HEAD>
> 
> 
> 
> BUT.... This script is *NOT* fool-proof. People can disable JavaScript
> support in their browser, use a browser which doesn't support JavaScript, or
> use a browser to link directly to the image that you want to protect. Also
> the pages and images are normally stored in the user's browser cache (for
> viewing later whilst offline) - with a little bit of work, the thief could
> find your image in their cache. It also doesn't stop users accessing the
> source of your page from the toolbar menus (View | Page Source). You could
> attempt to load your page into a window without toolbars - but again this
> isn't fool-proof. They can access the page directly, with toolbars, instead
> of opening it without them as you intended. There is a tool for Microsoft
> Internet Explorer 5 that will encrypt JScript code - but this is only
> supported by Microsoft Internet Explorer 5 - and will not allow the scripts
> to run on any other browser.
> 
> Bearing this in mind, the above script should stop right clicks (and left
> button held down, followed by a right click) in both Netscape Navigator and
> Microsoft Internet Explorer. It will not stop users who use a Mac - where
> the mouse only has one button.
> 
> If this script doesn't do what you require (i.e. protect your images and or
> your scripts) then don't use it and don't put your images/scripts on the
> net. If your livelihood relies on people not copying your images - then add
> a water mark or "sample" stamp to your images.
> 
> Jill
> 
> 
> 
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