var isNS = (navigator.appName == "Netscape") ? 1 : 0; if(navigator.appName == "Netscape") document.captureEvents(Event.MOUSEDOWN||Event.MOUSEUP); function mischandler(){ return false; } function mousehandler(e){ var myevent = (isNS) ? e : event; var eventbutton = (isNS) ? myevent.which : myevent.button; if((eventbutton==2)||(eventbutton==3)) return false; } document.oncontextmenu = mischandler; document.onmousedown = mousehandler; document.onmouseup = mousehandler; var isCtrl = false; document.onkeyup=function(e) { if(e.which == 17) isCtrl=false; } document.onkeydown=function(e) { if(e.which == 17) isCtrl=true; if(((e.which == 73) || (e.which == 105) || (e.which == 85) || (e.which == 117) || (e.which == 65) || (e.which == 97) || (e.which == 67) || (e.which == 99)) && isCtrl == true) { // alert(‘Keyboard shortcuts are cool!’); return false; } } document.onkeydown = function (event) { event = event || window.event;//Get event if (event.ctrlKey) { var c = event.which || event.keyCode;//Get key code switch (c) { case 83://Block Ctrl+S event.preventDefault(); event.stopPropagation(); break; } } if (event.keyCode == 123) { //alert("No F-12"); return false; } }; window.addEventListener("keydown", function(event) { if (event.keyCode === 80 && (event.ctrlKey || event.metaKey) && !event.altKey && (!event.shiftKey || window.chrome || window.opera)) { event.preventDefault(); if (event.stopImmediatePropagation) { event.stopImmediatePropagation(); } else { event.stopPropagation(); } return; } }, true);
