$(document).ready(function(){
        $(".flickr_gallery .flickr_thumb a").fancybox({
             'zoomSpeedIn':  500,
             'zoomSpeedOut':  500,
             'overlayShow':  true,
             'hideOnContentClick': true
        });


        $(".rollover").hover(
        function(){
             if($(this).attr("src").indexOf("-active") == -1) {
                  var newSrc = $(this).attr("src").replace(".jpg","-sepia.jpg#hover");
                  $(this).attr("src",newSrc);
             }
        },
        function(){
             if($(this).attr("src").indexOf("-sepia.jpg#hover") != -1) {
                  var oldSrc = $(this).attr("src").replace("-sepia.jpg#hover",".jpg");
                  $(this).attr("src",oldSrc);
             }
        });
      });