var rotate_delay = 3000;
current = 0;

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

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

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

function ap(text) {
	document.getElementById('slideform').slidebutton.value = (text == "Stop") ? "Start" : "Stop";
	rotate();
}

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

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