keyboard, mouse block

keyMouseBlock.js

!function mouseKeyboardBlock() {
  document.oncontextmenu  = new Function('return false');
  document.onselectstart  = new Function('return false');
  document.ondragstart    = new Function('return false');
  document.ondragenter    = new Function('return false');
  document.ondragover     = new Function('return false');
  document.ondrop         = new Function('return false');
  document.onkeydown      = new Function('return false');
}();