<!--
function appear(spanobj) {
  spanobj.style.display = "";
}
function disappear(spanobj) {
  spanobj.style.display = "none";
}

function reverse(spanobj,spanobj2) {
  if (spanobj.className == "reveal") { spanobj.className = "hide";document.images[spanobj2].src = "graphics/menuarrow_down.gif"; }
  else if (spanobj.className == "hide") { spanobj.className = "reveal";document.images[spanobj2].src = "graphics/menuarrow.gif"; }
}
//-->