<SCRIPT LANGUAGE=javascript> function click() { alert(''''禁止你的左键复制!'''') } function click1() { if (event.button==2) {alert(''''禁止右键点击~!'''') }} function CtrlKeyDown(){ if (event.ctrlKey) {alert(''''不当的拷贝将损害您的系统!'''') }} document.onkeydown=CtrlKeyDown; document.onselectstart=click; document.onmousedown=click1; </SCRIPT>