// JavaScript Document

var rotate_delay = 5000; // delay in milliseconds (5000 = 3 secs)
current = 0;
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 ap(text) 
{
document.slideform.slidebutton.value = (text == "Stop") ? "Start" : "Stop";
rotate();
}

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

function rotate() 
{
if (document.slideform.slidebutton.value == "Stop") 
	{
	current = (current == document.slideform.slide.length-1) ? 0 : current+1;
	document.images.show.src = document.slideform.slide[current].value;
	document.slideform.slide.selectedIndex = current;
	window.setTimeout("rotate()", rotate_delay);
   }
}