<head>
<script language="javascript" type="text/javascript">
document.oncontextmenu=function(){return false;}//屏蔽右键菜单
document.onpaste=function(){return false;}//屏蔽粘贴
document.oncopy=function(){return false;}//屏蔽复制
document.oncut=function(){return false;}//屏蔽剪切
document.onselectstart=function(){return false;}//屏蔽选择
function a()
{
alert("123123");
}
</script>
</head>
<html>
<div>
asdfadfasdfasdf
<br/>
ddddddddddd
<br/>
123132132132132132132132123
</div>
<a href="#" onclick="a()">aaa</a>
</html>