script.aculo.us

In Firefox (not sure about IE) if an asynchronous event starts a sound (e.g. an alarm) the keyboard input will be grabbed by the Quicktime object from the whole browser.

Clicking again on the same input field you are typing doesn't help, the only way to get the input back in the browser is to click somewhere else and then again in the input field.

I've already tried (without success) to cache the last active element (window.document.activeElement) and recall focus() on it. Now I'm trying variants that includes caching of the activeElement and a delayed attempt of moving out and in the focus from it...

UPDATE:

Add what follows to Sound.play() to avoid the problem (does not always work, to be tested):

  play: function(url){
    // Cache the current active element for later restoring
    Sound._lastActiveElement = window.document.activeElement;

    // ...

    if (Prototype.Browser.Gecko) {
      // Blur the Quicktime object and focus the cached active element
      $$('body embed, body object').first().blur();
      Sound._lastActiveElement.focus();
      Sound._lastActiveElement = null;
    };
  },
  stop: function(url){
    // ...