// include instead to test

    var current_image = 0;
    
    function set_next_image()
    {
        theElement = document.getElementById("screen");
        theElement.setAttribute("src", video_frames[current_image] );
        current_image = (current_image+1) % video_frames.length ;
    }
       
    function init( video_frames )
    {
        setInterval( "set_next_image()", frame_time);
    }