function disableRightClick( evnt ) { if(navigator.appName.substring(0,9) == "Microsoft") { if ( event.button==2 ){ alert("Copyright © LA CANICA AZUL 1977-2008"); return false; } } else if(navigator.appName.substring(0,8) == "Netscape"){ if ( evnt.which==3 ){ alert("Copyright © LA CANICA AZUL 1977-2008"); return false; } } } if (document.layers) { document.captureEvents(Event.MOUSEDOWN) } document.onmousedown = disableRightClick;