Disabling Right Clicks in your webpages

This function should be placed within <SCRIPT> Tag.

function rightClick(e)
{
var warning= "Right Click in this Webpage is not allowed";
if (document.all)
{
if (event.button == 2)
{
alert(warning);
return false;
}
}
if (document.layers)
{
if (e.which == 3)
{
alert(warning);
return false;
}
}
}
if (document.layers)
{
document.captureEvents(Event.MOUSEDOWN);
}
document.onmousedown=rightClick;