[Resolvido] Bloqueia ctrl+c e ctrl+v

[andreia_sp 1]

<script language="javascript">

function BloqueiaComando(event) {
  var tecla = String.fromCharCode(event.keyCode).toLowerCase();

  if (event.ctrlKey && (tecla == "c" || tecla == "v")) {
  window.event ? event.returnValue = false : event.preventDefault();
 return false
  }
}
</script>


<input type="text" name="campo" onkeydown = "BloqueiaComando(event)">