var i = 0;
var ignore = 0;
var fraframe = "fra_main";

// Create function to load image
function loadPage() {
 updateLinks();
}

// Create link function to switch image backward
function prev(){
  if(i > 0){
    i--;
  } else {
    i = document.selector.dest.options.length - 1;
   }
    setSelected(i);

}

// Create link function to switch image forward
function next(){
  if(i < document.selector.dest.options.length - 1){
    i++;
   } else {
    i = 0;
   }
  setSelected(i);

  
}

function leapto(form) {
  if(ignore) return;
  i = form.dest.selectedIndex; 
  parent.frames[fraframe].location.href = form.dest.options[i].value;
   updateLinks();
}

function setSelected(l) {
   parent.frames[fraframe].location.href = document.selector.dest.options[l].value;
   ignore = 1;
   document.selector.dest.selectedIndex = l;
   ignore = 0;
   updateLinks();
}


function loadIndex(l) {
   i = l;
   parent.frames[fraframe].location.href = document.selector.dest.options[i].value;
   document.selector.dest.selectedIndex = i;
 updateLinks();
}

function updateLinks() {
  var prev = i - 1, next = i + 1;

  if( i == 0 ) prev = document.selector.dest.options.length - 1;
  if( i == document.selector.dest.options.length - 1 ) next = 0;

  document.getElementById('prev').innerHTML = '«« ' + document.selector.dest.options[prev].text;

  document.getElementById('next').innerHTML = document.selector.dest.options[next].text + " »»";
}