//無(wú)模式的提示框
function modelessAlert(Msg)
{
window.showModelessDialog("javascript:alert(\""+escape(Msg)+"\");window.close();","","status:no;resizable:no;help:no;dialogHeight:height:30px;dialogHeight:40px;");
}
//屏蔽按鍵
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<noscript><meta http-equiv="refresh" content="0;url=about:noscript"></noscript>
<title>屏蔽鼠標右鍵、Ctrl+N、Shift+F10、Alt+F4、F11、F5刷新、退格鍵</title>
</head>
<body>
<script language="Javascript"><!--
//屏蔽鼠標右鍵、Ctrl+N、Shift+F10、F11、F5刷新、退格鍵
//Author: meizz(梅花雨) 2002-6-18
function document.oncontextmenu(){event.returnValue=false;}//屏蔽鼠標右鍵
function window.onhelp(){return false} //屏蔽F1幫助
function document.onkeydown()
{
if ((window.event.altKey)&&
((window.event.keyCode==37)|| //屏蔽 Alt+ 方向鍵 ←
(window.event.keyCode==39))) //屏蔽 Alt+ 方向鍵 →
{
alert("不準你使用ALT+方向鍵前進(jìn)或后退網(wǎng)頁(yè)！");
event.returnValue=false;
}
/* 注：這還不是真正地屏蔽 Alt+ 方向鍵，
因為 Alt+ 方向鍵彈出警告框時(shí)，按住 Alt 鍵不放，
用鼠標點(diǎn)掉警告框，這種屏蔽方法就失效了。以后若
有哪位高手有真正屏蔽 Alt 鍵的方法，請告知。*/
if ((event.keyCode==8) || //屏蔽退格刪除鍵
(event.keyCode==116)|| //屏蔽 F5 刷新鍵
(event.ctrlKey && event.keyCode==82)){ //Ctrl + R
event.keyCode=0;
event.returnValue=false;
}
if (event.keyCode==122){event.keyCode=0;event.returnValue=false;} //屏蔽F11
if (event.ctrlKey && event.keyCode==78) event.returnValue=false; //屏蔽 Ctrl+n
if (event.shiftKey && event.keyCode==121)event.returnValue=false; //屏蔽 shift+F10
if (window.event.srcElement.tagName == "A" && window.event.shiftKey)
window.event.returnValue = false; //屏蔽 shift 加鼠標左鍵新開(kāi)一網(wǎng)頁(yè)
if ((window.event.altKey)&&(window.event.keyCode==115)) //屏蔽Alt+F4
{
window.showModelessDialog("about:blank","","dialogWidth:1px;dialogheight:1px");
return false;
}
}
</script>
屏蔽鼠標右鍵、Ctrl+N、Shift+F10、Alt+F4、F11、F5刷新、退格鍵
</body>
</html>
//屏蔽打印
<style>
@media print{
* {display:none}
}
</style>
