function cantload() {

img = document.getElementById("clustrMapsImg");

img.onerror = null;

img.src = "http://clustrmaps.com/images/clustrmaps-back-soon.jpg";

document.getElementById("clustrMapsLink").href = "http://clustrmaps.com";

}

img = document.getElementById("clustrMapsImg");

img.onerror = cantload;