Try it:
<html>
<head>
test
</head>
<body>
<Script language="javascript">
function changeKyoninka()
{
alert("ddd");
}
document.onclick = changeKyoninka;
</script>
</body>
</html>
<html>
<head>
test
</head>
<body>
<Script language="javascript">
function changeKyoninka()
{
alert("ddd");
}
document.onclick = changeKyoninka;
</script>
</body>
</html>
能够兼容IE和NETSCAPE.
if (event.button==1)鼠标左键
if (event.button==2)鼠标右键
</script>