function toggle(elem){
   if (document.all[elem].style.visibility == 'hidden')
   {
      show(elem);
   }
   else
   {
      hide(elem);
   }
}

// for toggling of sublistings
bullet_insert = new Image()
bullet_insert.src = "/images/contracted.gif"
bullet_extract = new Image()
bullet_extract.src = "/images/expanded.gif"

function toggle_sublisting(elem5,elem6){
   if (document.all[elem5].style.display == 'none')
   {
      insert(elem5);
      document.all[elem6].src = bullet_extract.src;
   }
   else
   {
      extract(elem5);
      document.all[elem6].src = bullet_insert.src;
   }
}
// for toggling of sublistings

function insert(section_in){
     document.all[section_in].style.display='block';
}

function extract(section_out){
     document.all[section_out].style.display='none'
}

function hide(elem1){
      document.all[elem1].style.visibility='hidden'
}
function show(elem2){
      document.all[elem2].style.visibility='visible'
}
function blank(elem3){
   if (document.all)
   {
     document.all[elem3].style.visibility='hidden'
     document.all[elem3].selectedIndex=0
   }
   else
   {
      document.layers[elem1].visibility='hidden'
   }
}
function popIMG(uploader,window_name,wd,ht) {
   var imgConsole = null
   window_specs = "scrollbars, resizable, width=" + wd + ', height=' + ht
   imgConsole = window.open(uploader, window_name , window_specs)
   imgConsole.focus()
}

// for slide shows start

var k=0
function startSS(){
      timerID = setTimeout("change_slide()",5000)
}
function change_slide(){
   k=k+1

   if(k >= lastSlide)
   {
      k=0
   }

   new_slide="slide_"+k+".src"
   document.all['viewer'].src = eval(new_slide)
   startSS()

}

function stopSS(){
      window.clearTimeout(timerID)
}

function restartSS(){
   k=-1
   startSS()
}

function gotoNextSlide(){
   stopSS()
   k=k+1
   if(k >= lastSlide)
   {
      k=0
   }
   new_slide="slide_"+k+".src"
   document.all['viewer'].src = eval(new_slide)
}

function gotoPreviousSlide(){
   stopSS()
   k=k-1
   if(k < 0)
   {
      k=lastSlide-1
   }
   new_slide="slide_"+k+".src"
   document.all['viewer'].src = eval(new_slide)
}
// for slide shows end

//for item section viewing

function showSection(section){
   for(sec=0;sec<pagesections.length;sec++){
      linkID = pagesections[sec]+"_link"
      sectionID = pagesections[sec]+"_text"
      if(section == pagesections[sec]){
         if(document.all[linkID]){
            document.all[linkID].style.color='#666666'
         }
         insert(sectionID)
      }
      else{
         if(document.all[linkID]){document.all[linkID].style.color='#000080'}
         extract(sectionID)
     }
   }
}

//for item section viewing end