function displayImage(a){
                var img = a.getElementsByTagName("img")[0];
                var alignment = a.parentNode.style.textAlign;
                var colour = a.getAttribute("title");
                var mainimage = document.getElementById("mainimage");
                var mainimagelink = mainimage.getElementsByTagName("a")[0];
                var mainimageimg = mainimage.getElementsByTagName("img")[0];
                var mainimageh1 = mainimage.getElementsByTagName("h1")[0];
                var src = img.getAttribute("src").replace("/small/","/big/");

                var smallimages = document.getElementById("smallimages");

                for(var x=0;x<smallimages.getElementsByTagName("a").length;x++){
                    anc = smallimages.getElementsByTagName("a")[x];
                    anc.className = "smallimage";
                }

                a.className = "smallimage active";

                mainimagelink.setAttribute("href",src);
                if(a.getAttribute("rel") == "true") mainimagelink.setAttribute("href",src.replace("/big/","/orig/"));
                mainimageimg.setAttribute("src", src);
                mainimage.style.textAlign = alignment;
                mainimageh1.innerHTML = colour;
            }