01.<script language="JavaScript">
02.var isNS = (navigator.appName == "Netscape") ? 1 : 0;
03.
04.if(navigator.appName == "Netscape") document.captureEvents(Event.MOUSEDOWN||Event.MOUSEUP);
05.
06.function mischandler(){
07. return false;
08.}
09.
10.function mousehandler(e){
11. var myevent = (isNS) ? e : event;
12. var eventbutton = (isNS) ? myevent.which : myevent.button;
13. if((eventbutton==2)||(eventbutton==3)) return false;
14.}
15.document.oncontextmenu = mischandler;
16.document.onmousedown = mousehandler;
17.document.onmouseup = mousehandler;
18.
19.</script>
