current = 0;

function auto()
{
next();
showint = setInterval("next()", 3500);
}


function stop()
{clearInterval(showint);}


function next() 
  {if (document.slideform.slide[current+1])
    {document.images.show.src = document.slideform.slide[current+1].value;
     document.slideform.slide.selectedIndex = ++current;}
   else first();
   }

function previous() {
if (current-1 >= 0) {
document.images.show.src = document.slideform.slide[current-1].value;
document.slideform.slide.selectedIndex = --current;
}
else last();
}

function first() {
current = 0;
document.images.show.src = document.slideform.slide[0].value;
document.slideform.slide.selectedIndex = 0;
}

function last() {
current = document.slideform.slide.length-1;
document.images.show.src = document.slideform.slide[current].value;
document.slideform.slide.selectedIndex = current;
}


function change() {
current = document.slideform.slide.selectedIndex;
document.images.show.src = document.slideform.slide[current].value;}