<script language="JavaScript">
//锁鼠标右键和键盘CONTEXTMENU键
function click(e) {
if (document.all) {
if (event.button==2||event.button==3) {
oncontextmenu='return false';
}
}
}
document.onmousedown=click;
document.oncontextmenu = new Function("return false;")
</script>
