<!-- 
// please keep these lines on when you copy the source 
// made by: Nicolas - http://www.javascript-page.com 

var mymessage = "www.lechoppedespapilles.fr ©"; 

if (document.layers){ document.captureEvents(Event.MOUSEDOWN); 
} 

function rtclickcheck(keyp){ 

  if (document.layers && keyp.which != 1) { alert(mymessage); 
    return false; 
  } 


  if (document.all && event.button != 1) { alert(mymessage); 
    return false; 
  } 
} 

document.onmousedown = rtclickcheck 
//-->