function modifKey(e)
{
  var modif='';
  if (event.altKey)
{
  modif+='[ Alt ] ';
}
  if (event.ctrlKey)
{
  modif+='[ Ctrl ] ';
}
  if (event.shiftKey)
{
  modif+='[ Shift ] ';
}
  getKey(e,modif);
}
  function getKey(e,modif)
{
  if (e.keyCode)
{
  keycode=e.keyCode;
}
else
{
  keycode=e.which;
}
  char=String.fromCharCode(keycode);
  xCode=char.charCodeAt(0);
  if (xCode == 13) //Enter key is pressed!!
{
  window.event.keyCode = 0;
}
else
{
  return true;
}
}