Disable right click with Javascript

Here is two javascript code, helps you to disable right click, on webpages with Javascript.

function NoRightClick() {
if (event.button == 2)
{
alert("This action is not possible")
}
}
document.onmousedown=NoRightClick;

Or you can simply use.

<body oncontextmenu="return(false);">

This second code works only in Microsoft Internet Explorer.

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