function Toggle(item) {
  obj=document.getElementById("d" + item);
  visible = (obj.style.display != "none")
  akey=document.getElementById("a" + item);
  imgkey=document.getElementById("i" + item);
  if (visible) {
    obj.style.display="none";
    imgkey.src="arrowrt.gif";
  } else {
    obj.style.display="block";
    imgkey.src="arrowdn.gif";
  }
}
function Expand() {
  divs=document.getElementsByTagName("DIV");
  for (i=1;i<=divs.length;i++) {
    divs["d"+i].style.display="block";
    imgkey=document.getElementById("i" + i);
    imgkey.src="arrowdn.gif";
  }
}
function Collapse() {
  divs=document.getElementsByTagName("DIV");
  for (i=1;i<=divs.length;i++) {
    divs["d"+i].style.display="none";
    imgkey=document.getElementById("i" + i);
    imgkey.src="arrowrt.gif";
  }
}