<[[HTML]]> <HEAD> </HEAD> <script language="[[JavaScript]]" type="text/javascript"> <!-- function check(){ if(event.keyCode >= 112 && event.keyCode <= 123){ x=new Array("F1","F2","F3","F4","F5","F6","F7","F8","F9","F10","F11","F12"); y=event.keyCode-112; event.keyCode = null; event.returnValue = false; alert(x[y]+"が押下されました。"); return false; } } window.document.onkeydown = check; // --> </script> <BODY OnKeyDown="check(); return false"> テスト </BODY> </HTML>