function disableRightClick( e )
{
 var evt = e || window.event;

 if( (evt.button && evt.button == 2) || ( evt.which && evt.which & 2) )
 {
  alert("U tried to copy with the right mouse button, something from our blog / page.\n\nWe have blocked this, sure there are plenty of ways to get around this, but it's easier to ask us via email. ");
 }

}
document.onmousedown = disableRightClick;