function refreshCam() {

	if (document.getElementById('lightboxImage')) {

        var lightbox = document.getElementById('lightbox').style.display;
    	var webcam = document.getElementById('lightboxImage');

        if (lightbox != 'none' && webcam.src) {

          var rExp = /&id=.*/gi;
          var url = webcam.src.replace(rExp,'');

          url = url + "&id=" + Math.random()*9999;
          webcam.setAttribute('src',url);

        }

    }

    var timer = setTimeout('refreshCam()',5000);

    return true;

}

addLoadEvent(refreshCam);