We all know IE really sucks, no contest! I've been playing with Lightbox Gone Wild by Chris Campbell. He uses the technique from Lightbox JS by Lokesh Dhakar. This problem appears in Internet Explorer 6 when using the element .appendChild ( child ) method. The function looks like this: function addLightboxMarkup() { bod = document.getElementsByTagName('body')[0]; overlay = document.createElement('div'); overlay.id = 'overlay'; lb = document.createElement('div'); lb.id = 'lightbox'; lb.className = 'loading'; lb.innerHTML = '<div id="lbLoadMessage">'+'<p>Loading</p>'+'</div>'; bod.appendChild(overlay); bod.appendChild(lb); } If the function is loaded in the middle of the document (in DOM: document object), I get this error in Internet Explorer: Internet Explorer cannot open the Internet site http://localhost/site. Operation aborted This problem is probably d...