var styleUrlCached = null;
function GetStyleUrl() {
  if (null == styleUrlCached) {
    var ns;
    styleUrlCached = '';
    ns = document.getElementsByTagName('link');
    for (var i = 0; i < ns.length; i++) {
      var l = ns[i];
      if (l.href && /style\.css(\?.*)?$/.test(l.href)){
        return styleUrlCached = l.href.replace(/style\.css(\?.*)?$/,'');
	  }
    }
    
	ns = document.getElementsByTagName('style');
	for (var i = 0; i < ns.length; i++) {
      var matches = new RegExp('import\\s+"([^"]+\\/)style\\.css"').exec(ns[i].innerHTML);
      if (null != matches && matches.length > 0)
        return styleUrlCached = matches[1];
    }
  }
  return styleUrlCached;
}

function slideSwitch() {
    var $active = $('#slideshow DIV.active');

    if ( $active.length == 0 ) $active = $('#slideshow DIV:last');

    // use this to pull the divs in the order they appear in the markup
    var $next =  $active.next().length ? $active.next()
        : $('#slideshow DIV:first');

    // uncomment below to pull the divs randomly
    // var $sibs  = $active.siblings();
    // var rndNum = Math.floor(Math.random() * $sibs.length );
    // var $next  = $( $sibs[ rndNum ] );


    $active.addClass('last-active');

    $next.css({opacity: 0.0})
        .addClass('active')
        .animate({opacity: 1.0}, 1000, function() {
            $active.removeClass('active last-active');
        });
}

$(function() {
    setInterval( "slideSwitch()", 5000 );
});
