var dataContainerLogElement;
function dataContainerLog(URL)
{
  if (typeof(dataContainerLogElement)=="undefined"
      || dataContainerLogElement==null)
    {
      dataContainerLogElement=document.createElement("img");
      dataContainerLogElement.id = "DataContainerLogImage";
      dataContainerLogElement.setAttribute("id","DataContainerLogImage");
      dataContainerLogElement.style.position = "absolute";
      dataContainerLogElement.width='1';
      dataContainerLogElement.height='1';
      document.getElementsByTagName("body")[0].appendChild(dataContainerLogElement);
    }
  dataContainerLogElement.src=URL;
}