function click(evt) { if (navigator.appName.indexOf("Microsoft") != -1){ if (event.button==2) { alert(' Copyright © by Gerhard Zerbes. All rights reserved. The material on this site may not be copied, reproduced and may not be distributed, publicly performed, except with the prior express permission of Gerhard Zerbes '); return false }; }; if (navigator.appName.indexOf("Netscape") != -1) { if ( evt.which == 3 ) { alert(' Copyright © Gerhard Zerbes. All rights reserved. The material on this site may not be copied, reproduced and may not be distributed, publicly performed, except with the prior express permission of Gerhard Zerbes'); return false }; }; }; if (navigator.appName.indexOf("Netscape") != -1) { document.captureEvents( Event.MOUSEDOWN ) }; document.onmousedown = click;