Hook F5

Removes functionality of F5 (refresh) on a an entire page. Useful with forms etc.

You can remove pretty much any keycode you so choose, but be careful. Users of a website aren't acustomed to having functionality changed/removed, so weigh the benefits with possible consequences.

//Yes. You did read right, no function.
if (document.all)
{
  //for IE browser
  document.onkeydown = function ()
  {
    if (event.keyCode == 116)
    {
      event.keyCode=0;
      return false;
    }
    return event.keyCode;
  }
}
else
{   //for FireFox/Netscape (others?)
  document.onkeypress = function (evt)
  {
    if(evt.keyCode == 116)
    { return false; }
    return evt.keyCode;
  }
}