var alterIntroMovie;
function createIntroMovie() {
    var dialog = new dijit.Dialog({href:"intro_video.html"});
    dojo.connect(dialog, "hide", function() {
        alterIntroMovie.attr("content", "");
        alterIntroMovie.destroyRecursive(false);
        alterIntroMovie = createIntroMovie();
    });
    dojo.body().appendChild(dialog.domNode);
    return dialog;
}
dojo.addOnLoad(function(){
    alterIntroMovie = createIntroMovie();    
});