document.onkeydown = keypressed; document.oncontextmenu = rightclick; function keypressed() { if((event.ctrlKey==true && (event.keyCode>=65 && event.keyCode<=90)) || (event.keyCode>=112 && event.keyCode<=123)) { event.keyCode = 0; event.cancelBubble = true; event.returnValue = false; } } function rightclick() { return false; } function send() { papersheet.l_sendAnswer(30); }