var titleBuffer = '';

/* alert(jQuery.browser.version); */

function smartPosition(obj) {
	if ( jQuery.browser.msie && parseInt(jQuery.browser.version, 10) < 8 ) {
		return;
	}
	
	jQuery(window).scroll(function() {
		// Detect if content is being scroll offscreen.
		if ( (document.documentElement.scrollTop || document.body.scrollTop) >= jQuery(obj).offset().top) {
			jQuery('body').addClass('smartposition');
		} else {
			jQuery('body').removeClass('smartposition');
		}

		if (jQuery('#secondheadline').length > 0 && (document.documentElement.scrollTop || document.body.scrollTop) >= jQuery('#secondheadline').offset().top) {
		  jQuery('#firstheadline span').text(jQuery('#secondheadline span').text());
		} else {
		  jQuery('#firstheadline span').text(titleBuffer);
		}
	});
};

smartPosition('#content');

$(window).ready(function() {
  titleBuffer = jQuery('#firstheadline span').text();
  $('#firstheadline a.btt').click(
    function() {
      $('html, body').animate({scrollTop:0}, 'slow');
      return false;
    }
  );
});