var message = "";
         ///////////////////////////////////
         function clickIE() { if (document.all) { (message); return false; } }
         function clickNS(e) {
             if
(document.layers || (document.getElementById && !document.all)) {
                 if (e.which == 2 || e.which == 3) { (message); return false; } 
             } 
         }
         if (document.layers)
         { document.captureEvents(Event.MOUSEDOWN); document.onmousedown = clickNS; }
         else { document.onmouseup = clickNS; document.oncontextmenu = clickIE; }

         document.oncontextmenu = new Function("return false");