var rotate_delay = 10000; // delay in milliseconds (5000 = 5 secs)
current = 0;

function next() {
  if (document.slideform.slide[current+1]) {
    nextimage=document.slideform.slide[current+1].value.split("|");
    document.images.show.src = document.slideform.smpix.value+'/'+nextimage[1];
    document.slideform.slide.selectedIndex = ++current;
  }
  else first();
}

function previous() {
  if (current-1 >= 0) {
    previmage=document.slideform.slide[current-1].value.split("|");
    document.images.show.src = document.slideform.smpix.value+'/'+previmage[1];
    document.slideform.slide.selectedIndex = --current;
  }
  else last();
}

function first() {
  current = 0;
  firstimage=document.slideform.slide[0].value.split("|");
  document.images.show.src = document.slideform.smpix.value+'/'+firstimage[1];
  document.slideform.slide.selectedIndex = 0;
}

function last() {
  current = document.slideform.slide.length-1;
  lastimage=document.slideform.slide[current].value.split("|");
  document.images.show.src = document.slideform.smpix.value+'/'+lastimage[1];
  document.slideform.slide.selectedIndex = current;
}

// Not using...
function ap(text) {
  document.slideform.slidebutton.value = (text == "Stop") ? "Start" : "Stop";
  rotate();
}

function change() {
  current = document.slideform.slide.selectedIndex;
  pickedimage=document.slideform.slide[current].value.split("|");
  document.images.show.src = document.slideform.smpix.value+'/'+pickedimage[1];
}

// Not using...
function rotate() {
  if (document.slideform.slidebutton.value == "Stop") {
    current = (current == document.slideform.slide.length-1) ? 0 : current+1;
    document.images.show.src = document.slideform.smpix.value+'/'+document.slideform.slide[current].value;
    document.slideform.slide.selectedIndex = current;
    window.setTimeout("rotate()", rotate_delay);
  }
}

function ViewLarge() {
  lrgimage=document.slideform.slide[current].value.split("|");
  if (lrgimage[0]=="L") {
    wdth=660;
    hght=500;
  } else {
    wdth=500;
    hght=660;
  }
  options="resizable=1, scrollbars=1, toolbar=0, left=15, top=10, width=" + wdth + ", height=" + hght
  OpenWindow = window.open(document.slideform.lgpix.value+'/'+lrgimage[1], "remoteWin", options);
}