function changePhoto(source, target) {
    if(window.document.getElementById(target+"Backer")){
        window.document.getElementById(target).src = source.src;
        $('#'+target+"Backer").fadeOut('slow', function() {
            window.document.getElementById(target+"Backer").src = source.src;
            $('#'+target+"Backer").fadeIn(1, function() {
                // Animation complete.
            });
        });
    }
    else{
        window.document.getElementById(target).src = source.src;
    }
}
jQuery(document).ready(function($) {
    $("a.external").live("click", function(event) {
        event.preventDefault();
        window.open(this.href); /* pop a new window  */
        return false; // return false to keep the actual link click from actuating
    }); 
});