// © 2004 CodeLifter.com
function nrcIE() {
 if (document.all) {
  return false;
 }
}
function nrcNS(e) {
 if(document.layers||(document.getElementById&&!document.all)) {
  if (e.which==2||e.which==3) {
   return false;
  }
 }
}
if (document.layers) {
 document.captureEvents(Event.MOUSEDOWN);
 document.onmousedown=nrcNS;
} else {
 document.onmouseup=nrcNS;
 document.oncontextmenu=nrcIE;
}
document.oncontextmenu=new Function("return false");