 true;
    	}

      quad.material.uniforms.t.value = Math.sin( new Date().getTime() * 0.001 );
      quad.material.uniforms.t.needsUpdate = true;
      renderer.render(scene, camera);

      requestAnimationFrame(render);
    }

    // When the user clicks one of the images/webcam icon, change the background
    $('#texture-options a').each(function() {
      $(this).click(function() {
        var texture_path = $(this).find('img').first().attr('src');
        if(texture_path) {
          setTexture(textur