function whatsNewMessage() {
	// get user-agent version for firefox browsers
	var exp = /(?:Firefox|GranParadiso|Minefield|BonEcho)\/([0-9.]+(?:[ab][^ ]+|))/;
	var matches = navigator.userAgent.match(exp);

	var firefox = null;

	if (matches !== null) {
		firefox = {};
		firefox.version = matches[1];

		// normalize versions for alphas and betas
		var beta = firefox.version.match(/([0-9.]+)[ab]/);
		if (beta === null) {
			firefox.major_version = parseInt(firefox.version.split('.')[0]);
			firefox.is_beta       = false;
		} else {
			var major_version = beta[1];
			major_version = parseInt(firefox.version.split('.')[0]);
			major_version--;
			firefox.major_version = major_version;
			firefox.is_beta       = true;
		}
	}

	if (firefox.version != userversion) {
    /* 
		document.getElementById('main-feature-title').innerHTML = message1 + firefox.version;
		document.getElementById('main-feature-contents').innerHTML = message2;
    */
		document.getElementById('main-feature').className = "olderversion";
		document.getElementById('main-feature-title').innerHTML = message1;
		document.getElementById('main-feature-contents').innerHTML = message2;
	}
}

// Surveys for 10% of people; Bug 449417
YAHOO.util.Event.onDOMReady( function hideSurvey() {
  var survey = document.getElementById('sec-survey');
  if (survey) {
    var rand = Math.random();
    if (rand < 0.10) {
      YAHOO.util.Dom.removeClass(survey, 'hide');
    }
  }
});