$(document).ready( function(){
    var doFBinit = true;
    $(".content").slideDown(1000, function(){
        if (document.body.id == "djphazer" && window.FB && doFBinit) {
            doFBinit = false;
            FB.init("4fa13ceb4f3b5e43bfe6b3d2bbe133d0");
        }
    });
});